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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9217) Kafka010ITCase hanging after timeout in testTimestamps()
Date Thu, 24 May 2018 08:43:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488659#comment-16488659 ] 

Till Rohrmann commented on FLINK-9217:
--------------------------------------

Another instance: https://api.travis-ci.org/v3/job/383043993/log.txt

> Kafka010ITCase hanging after timeout in testTimestamps()
> --------------------------------------------------------
>
>                 Key: FLINK-9217
>                 URL: https://issues.apache.org/jira/browse/FLINK-9217
>             Project: Flink
>          Issue Type: Bug
>          Components: Kafka Connector, Tests
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Nico Kruber
>            Priority: Critical
>              Labels: test-stability
>
> https://travis-ci.org/NicoK/flink/jobs/368217917
> {code}
> Test testTimestamps(org.apache.flink.streaming.connectors.kafka.Kafka010ITCase) is running.
> --------------------------------------------------------------------------------
> 18:36:09,241 INFO  org.apache.flink.streaming.connectors.kafka.KafkaTestEnvironmentImpl  - Creating topic tstopic
> 18:36:09,243 INFO  org.I0Itec.zkclient.ZkEventThread                             - Starting ZkClient event thread.
> 18:36:09,244 INFO  org.I0Itec.zkclient.ZkClient                                  - Waiting for keeper state SyncConnected
> 18:36:09,248 INFO  org.I0Itec.zkclient.ZkClient                                  - zookeeper state changed (SyncConnected)
> 18:36:09,282 INFO  org.I0Itec.zkclient.ZkEventThread                             - Terminate ZkClient event thread.
> 18:36:09,402 INFO  org.I0Itec.zkclient.ZkEventThread                             - Starting ZkClient event thread.
> 18:36:09,404 INFO  org.I0Itec.zkclient.ZkClient                                  - Waiting for keeper state SyncConnected
> 18:36:09,409 INFO  org.I0Itec.zkclient.ZkClient                                  - zookeeper state changed (SyncConnected)
> 18:36:09,414 INFO  org.I0Itec.zkclient.ZkEventThread                             - Terminate ZkClient event thread.
> 18:36:09,506 INFO  org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase  - Starting FlinkKafkaProducer (2/3) to produce into default topic tstopic
> 18:36:09,509 WARN  org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase  - Flushing on checkpoint is enabled, but checkpointing is not enabled. Disabling flushing.
> 18:36:09,513 INFO  org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase  - Starting FlinkKafkaProducer (1/3) to produce into default topic tstopic
> 18:36:09,516 WARN  org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase  - Flushing on checkpoint is enabled, but checkpointing is not enabled. Disabling flushing.
> 18:36:09,520 INFO  org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase  - Starting FlinkKafkaProducer (3/3) to produce into default topic tstopic
> 18:36:09,522 WARN  org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase  - Flushing on checkpoint is enabled, but checkpointing is not enabled. Disabling flushing.
> 18:36:09,706 INFO  org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase  - No restore state for FlinkKafkaConsumer.
> 18:36:09,713 INFO  org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase  - Consumer subtask 0 will start reading the following 3 partitions from the committed group offsets in Kafka: [KafkaTopicPartition{topic='tstopic', partition=2}, KafkaTopicPartition{topic='tstopic', partition=1}, KafkaTopicPartition{topic='tstopic', partition=0}]
> 18:37:09,243 ERROR org.apache.flink.streaming.connectors.kafka.Kafka010ITCase    - 
> --------------------------------------------------------------------------------
> Test testTimestamps(org.apache.flink.streaming.connectors.kafka.Kafka010ITCase) failed with:
> org.junit.runners.model.TestTimedOutException: test timed out after 60000 milliseconds
> 	at sun.misc.Unsafe.park(Native Method)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1328)
> 	at scala.concurrent.impl.Promise$DefaultPromise.tryAwait(Promise.scala:212)
> 	at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:222)
> 	at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:157)
> 	at scala.concurrent.Await$$anonfun$ready$1.apply(package.scala:169)
> 	at scala.concurrent.Await$$anonfun$ready$1.apply(package.scala:169)
> 	at scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53)
> 	at scala.concurrent.Await$.ready(package.scala:169)
> 	at scala.concurrent.Await.ready(package.scala)
> 	at org.apache.flink.runtime.client.JobClient.awaitJobResult(JobClient.java:266)
> 	at org.apache.flink.runtime.client.JobClient.submitJobAndWait(JobClient.java:387)
> 	at org.apache.flink.runtime.minicluster.FlinkMiniCluster.submitJobAndWait(FlinkMiniCluster.scala:566)
> 	at org.apache.flink.runtime.minicluster.FlinkMiniCluster.submitJobAndWait(FlinkMiniCluster.scala:540)
> 	at org.apache.flink.runtime.minicluster.FlinkMiniCluster.executeJobBlocking(FlinkMiniCluster.scala:714)
> 	at org.apache.flink.streaming.util.TestStreamEnvironment.execute(TestStreamEnvironment.java:79)
> 	at org.apache.flink.streaming.connectors.kafka.Kafka010ITCase.testTimestamps(Kafka010ITCase.java:251)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
> 	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 	at java.lang.Thread.run(Thread.java:748)
> ================================================================================
> 18:37:09,272 INFO  org.apache.flink.streaming.connectors.kafka.Kafka010ITCase    - 
> ================================================================================
> Test testBigRecordJob(org.apache.flink.streaming.connectors.kafka.Kafka010ITCase) is running.
> --------------------------------------------------------------------------------
> ==============================================================================
> Maven produced no output for 300 seconds.
> ==============================================================================
> {code}
> {code}
> Full thread dump OpenJDK 64-Bit Server VM (25.141-b15 mixed mode):
> "Attach Listener" #1869 daemon prio=9 os_prio=0 tid=0x00000000027c2800 nid=0x59f7 runnable [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "flink-akka.actor.default-dispatcher-88" #1868 prio=5 os_prio=0 tid=0x0000000002e2d000 nid=0x59c6 waiting on condition [0x00007fdd39da1000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000800872b8> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-akka.actor.default-dispatcher-32" #1802 prio=5 os_prio=0 tid=0x00007fdd7023d000 nid=0x58e4 waiting on condition [0x00007fdcd996d000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000080440568> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.idleAwaitWork(ForkJoinPool.java:2135)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2067)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-akka.actor.default-dispatcher-31" #1800 prio=5 os_prio=0 tid=0x00007fdd70da9000 nid=0x58e2 waiting on condition [0x00007fdce9e6e000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000080440568> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "Kafka 0.10 Fetcher for Source: Custom Source -> timestamp validating operator (1/1)" #1778 daemon prio=5 os_prio=0 tid=0x00007fdd417c6000 nid=0x58aa runnable [0x00007fdcebf67000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008af27e48> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008af27e38> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008af27df0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:349)
> 	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:226)
> 	- locked <0x000000008af27f00> (a org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient)
> 	at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1047)
> 	at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:995)
> 	at org.apache.flink.streaming.connectors.kafka.internal.KafkaConsumerThread.run(KafkaConsumerThread.java:257)
> "Time Trigger for Source: Custom Source -> timestamp validating operator (1/1)" #1777 daemon prio=5 os_prio=0 tid=0x00007fdd4ffb0000 nid=0x58a9 waiting on condition [0x00007fdd34a8c000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008af28128> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "CloseableReaperThread" #1776 daemon prio=5 os_prio=0 tid=0x00007fdd41b69800 nid=0x58a8 in Object.wait() [0x00007fdcec169000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
> 	- locked <0x000000008af28370> (a java.lang.ref.ReferenceQueue$Lock)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
> 	at org.apache.flink.core.fs.SafetyNetCloseableRegistry$CloseableReaperThread.run(SafetyNetCloseableRegistry.java:193)
> "Source: Custom Source -> timestamp validating operator (1/1)" #1775 prio=5 os_prio=0 tid=0x00007fdd4ffae800 nid=0x58a7 in Object.wait() [0x00007fdceb860000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.Object.wait(Object.java:502)
> 	at org.apache.flink.streaming.connectors.kafka.internal.Handover.pollNext(Handover.java:74)
> 	- locked <0x000000008af28518> (a java.lang.Object)
> 	at org.apache.flink.streaming.connectors.kafka.internal.Kafka09Fetcher.runFetchLoop(Kafka09Fetcher.java:133)
> 	at org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:738)
> 	at org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:87)
> 	at org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:56)
> 	at org.apache.flink.streaming.runtime.tasks.SourceStreamTask.run(SourceStreamTask.java:99)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:307)
> 	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-producer-network-thread | producer-29" #1448 daemon prio=5 os_prio=0 tid=0x00007fdd4033a800 nid=0x5757 runnable [0x00007fdcdc96b000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008a2002b0> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008a2002a0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008a200258> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:349)
> 	at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:225)
> 	at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:126)
> 	at java.lang.Thread.run(Thread.java:748)
> "IOManager reader thread #1" #1432 daemon prio=5 os_prio=0 tid=0x00007fdd71049000 nid=0x5747 waiting on condition [0x00007fdcec068000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008a200540> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync$ReaderThread.run(IOManagerAsync.java:355)
> "IOManager writer thread #1" #1431 daemon prio=5 os_prio=0 tid=0x00007fdd4ff5e800 nid=0x5746 waiting on condition [0x00007fdd454ec000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008a200748> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync$WriterThread.run(IOManagerAsync.java:461)
> "ReplicaFetcherThread-0-0" #1092 prio=5 os_prio=0 tid=0x00007fdd40345800 nid=0x55fb runnable [0x00007fdceb75f000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089e802a0> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089e80290> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089e80248> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:349)
> 	at kafka.utils.NetworkClientBlockingOps$.recursivePoll$1(NetworkClientBlockingOps.scala:135)
> 	at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$$pollContinuously$extension(NetworkClientBlockingOps.scala:142)
> 	at kafka.utils.NetworkClientBlockingOps$.blockingSendAndReceive$extension(NetworkClientBlockingOps.scala:108)
> 	at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:249)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:234)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
> 	at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
> 	at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ReplicaFetcherThread-0-0" #1093 prio=5 os_prio=0 tid=0x0000000002ff5800 nid=0x55fa runnable [0x00007fdd3347a000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089e805e8> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089e805d8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089e80590> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:349)
> 	at kafka.utils.NetworkClientBlockingOps$.recursivePoll$1(NetworkClientBlockingOps.scala:135)
> 	at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$$pollContinuously$extension(NetworkClientBlockingOps.scala:142)
> 	at kafka.utils.NetworkClientBlockingOps$.blockingSendAndReceive$extension(NetworkClientBlockingOps.scala:108)
> 	at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:249)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:234)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
> 	at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
> 	at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "executor-Fetch" #1032 prio=5 os_prio=0 tid=0x00007fdd401bd000 nid=0x55b8 waiting on condition [0x00007fdd44fe7000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895803c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-9" #837 daemon prio=5 os_prio=0 tid=0x00007fdd40384000 nid=0x54f6 waiting on condition [0x00007fdd459f1000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-8" #836 daemon prio=5 os_prio=0 tid=0x00007fdd40b5e800 nid=0x54f5 waiting on condition [0x00007fdd44ee6000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ReplicaFetcherThread-0-2" #832 prio=5 os_prio=0 tid=0x00007fdd71419800 nid=0x54f2 runnable [0x00007fdd44de5000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089580b28> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089580b18> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089580ad0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:349)
> 	at kafka.utils.NetworkClientBlockingOps$.recursivePoll$1(NetworkClientBlockingOps.scala:135)
> 	at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$$pollContinuously$extension(NetworkClientBlockingOps.scala:142)
> 	at kafka.utils.NetworkClientBlockingOps$.blockingSendAndReceive$extension(NetworkClientBlockingOps.scala:108)
> 	at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:249)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:234)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
> 	at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
> 	at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ReplicaFetcherThread-0-1" #829 prio=5 os_prio=0 tid=0x00007fdd7104e000 nid=0x54ef runnable [0x00007fdd455ed000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089580e70> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089580e60> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089580e18> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:349)
> 	at kafka.utils.NetworkClientBlockingOps$.recursivePoll$1(NetworkClientBlockingOps.scala:135)
> 	at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$$pollContinuously$extension(NetworkClientBlockingOps.scala:142)
> 	at kafka.utils.NetworkClientBlockingOps$.blockingSendAndReceive$extension(NetworkClientBlockingOps.scala:108)
> 	at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:249)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:234)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
> 	at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
> 	at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "Hashed wheel timer #4" #762 prio=5 os_prio=0 tid=0x00007fdd4027e800 nid=0x54d6 waiting on condition [0x00007fdd462e3000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:445)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:364)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at java.lang.Thread.run(Thread.java:748)
> "Controller-2-to-broker-0-send-thread" #802 prio=5 os_prio=0 tid=0x00007fdd71033800 nid=0x54d2 waiting on condition [0x00007fdd453eb000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895812c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:179)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-request-handler-7" #800 daemon prio=5 os_prio=0 tid=0x00007fdd41088800 nid=0x54d0 waiting on condition [0x00007fdd44a36000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895814a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-6" #799 daemon prio=5 os_prio=0 tid=0x00007fdd41087800 nid=0x54cf waiting on condition [0x00007fdd44638000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895814a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-5" #798 daemon prio=5 os_prio=0 tid=0x00007fdd7083e000 nid=0x54ce waiting on condition [0x00007fdd44935000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895814a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-4" #797 daemon prio=5 os_prio=0 tid=0x00007fdd7083d000 nid=0x54cd waiting on condition [0x00007fdd44ce4000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895814a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-3" #796 daemon prio=5 os_prio=0 tid=0x00007fdd40ad4800 nid=0x54cc waiting on condition [0x00007fdd458f0000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895814a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-2" #795 daemon prio=5 os_prio=0 tid=0x00007fdd40ad3800 nid=0x54cb waiting on condition [0x00007fdd44b37000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895814a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-1" #794 daemon prio=5 os_prio=0 tid=0x00007fdd408bb800 nid=0x54ca waiting on condition [0x00007fdd39ca0000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895814a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-0" #793 daemon prio=5 os_prio=0 tid=0x00007fdd408bb000 nid=0x54c9 waiting on condition [0x00007fdd3c5c7000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895814a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "group-metadata-manager-0" #792 daemon prio=5 os_prio=0 tid=0x00007fdd41085800 nid=0x54c8 waiting on condition [0x00007fdd3edef000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895822c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ExpirationReaper-0" #791 prio=5 os_prio=0 tid=0x00007fdd71415000 nid=0x54c7 waiting on condition [0x00007fdd465ea000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089582528> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ExpirationReaper-0" #790 prio=5 os_prio=0 tid=0x00007fdd71414000 nid=0x54c6 waiting on condition [0x00007fdc7075b000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089582780> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ExpirationReaper-0" #789 prio=5 os_prio=0 tid=0x00007fdd71413000 nid=0x54c5 waiting on condition [0x00007fdd55732000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895829d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-scheduler-6" #788 daemon prio=5 os_prio=0 tid=0x00007fdd71412000 nid=0x54c4 waiting on condition [0x00007fdc70c60000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-7" #787 daemon prio=5 os_prio=0 tid=0x00007fdd71411000 nid=0x54c3 waiting on condition [0x00007fdd33f83000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-5" #786 daemon prio=5 os_prio=0 tid=0x00007fdd7140e800 nid=0x54c2 waiting on condition [0x00007fdc70e62000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-4" #785 daemon prio=5 os_prio=0 tid=0x00007fdd71038000 nid=0x54c1 waiting on condition [0x00007fdc6b155000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ExpirationReaper-0" #784 prio=5 os_prio=0 tid=0x00007fdd71036800 nid=0x54c0 waiting on condition [0x00007fdd33e82000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895832d0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:268)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ExpirationReaper-0" #783 prio=5 os_prio=0 tid=0x00007fdd71035800 nid=0x54bf waiting on condition [0x00007fdc75268000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089583528> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-socket-acceptor-ListenerName(PLAINTEXT)-PLAINTEXT-37171" #782 prio=5 os_prio=0 tid=0x00007fdd71035000 nid=0x54be runnable [0x00007fdd33d81000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000895837f8> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000895837e8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000895837a0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at kafka.network.Acceptor.run(SocketServer.scala:274)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-network-thread-0-ListenerName(PLAINTEXT)-PLAINTEXT-2" #781 prio=5 os_prio=0 tid=0x00007fdd71033000 nid=0x54bd runnable [0x00007fdc70a5e000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089583a70> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089583a60> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089583a18> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at kafka.network.Processor.poll(SocketServer.scala:494)
> 	at kafka.network.Processor.run(SocketServer.scala:432)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-network-thread-0-ListenerName(PLAINTEXT)-PLAINTEXT-1" #780 prio=5 os_prio=0 tid=0x00007fdd71032000 nid=0x54bc runnable [0x00007fdc70559000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089583d50> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089583d40> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089583cf8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at kafka.network.Processor.poll(SocketServer.scala:494)
> 	at kafka.network.Processor.run(SocketServer.scala:432)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-network-thread-0-ListenerName(PLAINTEXT)-PLAINTEXT-0" #779 prio=5 os_prio=0 tid=0x00007fdd71031800 nid=0x54bb runnable [0x00007fdd463e8000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089584030> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089584020> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089583fd8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at kafka.network.Processor.poll(SocketServer.scala:494)
> 	at kafka.network.Processor.run(SocketServer.scala:432)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-log-cleaner-thread-0" #774 prio=5 os_prio=0 tid=0x00007fdd71031000 nid=0x54ba waiting on condition [0x00007fdc71365000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895842a8> (a java.util.concurrent.CountDownLatch$Sync)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1328)
> 	at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:277)
> 	at kafka.log.LogCleaner$CleanerThread.cleanOrSleep(LogCleaner.scala:261)
> 	at kafka.log.LogCleaner$CleanerThread.doWork(LogCleaner.scala:220)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-scheduler-3" #778 daemon prio=5 os_prio=0 tid=0x00007fdd40bfa000 nid=0x54b9 waiting on condition [0x00007fdc75369000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-2" #777 daemon prio=5 os_prio=0 tid=0x00007fdd40bf9000 nid=0x54b8 waiting on condition [0x00007fdd33177000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-1" #776 daemon prio=5 os_prio=0 tid=0x00007fdd40bf8800 nid=0x54b7 waiting on condition [0x00007fdd3488a000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-0" #775 daemon prio=5 os_prio=0 tid=0x00007fdd40bf7800 nid=0x54b6 waiting on condition [0x00007fdc6b458000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089580628> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-0" #773 daemon prio=5 os_prio=0 tid=0x00007fdd408dc000 nid=0x54b5 waiting on condition [0x00007fdd34185000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089584b10> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "Controller-2-to-broker-1-send-thread" #771 prio=5 os_prio=0 tid=0x00007fdd4fd77000 nid=0x54b4 waiting on condition [0x00007fdd33c80000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089584d98> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:179)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "Controller-2-to-broker-2-send-thread" #772 prio=5 os_prio=0 tid=0x00007fdd4050f000 nid=0x54b3 waiting on condition [0x00007fdd33379000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089584fc0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:179)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ThrottledRequestReaper-Produce" #769 prio=5 os_prio=0 tid=0x00007fdd408df800 nid=0x54b1 waiting on condition [0x00007fdd3377b000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895851c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.server.ClientQuotaManager$ThrottledRequestReaper.doWork(ClientQuotaManager.scala:158)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ThrottledRequestReaper-Fetch" #768 prio=5 os_prio=0 tid=0x00007fdd71191000 nid=0x54b0 waiting on condition [0x00007fdd38f93000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000895853b0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.server.ClientQuotaManager$ThrottledRequestReaper.doWork(ClientQuotaManager.scala:158)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "SensorExpiryThread" #767 daemon prio=5 os_prio=0 tid=0x00007fdd70f7f000 nid=0x54af waiting on condition [0x00007fdd34387000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089585590> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "Time-limited test-EventThread" #766 daemon prio=5 os_prio=0 tid=0x00007fdd71189000 nid=0x54ae waiting on condition [0x00007fdd3397d000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089585808> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)
> "Time-limited test-SendThread(127.0.0.1:46782)" #765 daemon prio=5 os_prio=0 tid=0x00007fdd4fddf000 nid=0x54ad runnable [0x00007fdd32e74000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089585ab0> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089585aa0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089585a58> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)
> "ZkClient-EventThread-764-127.0.0.1:46782" #764 daemon prio=5 os_prio=0 tid=0x00007fdd4fbbb800 nid=0x54ac waiting on condition [0x00007fdd34084000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000089585d60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:68)
> "New I/O boss #40" #763 prio=5 os_prio=0 tid=0x00007fdd4fc0c800 nid=0x54ab runnable [0x00007fdd00870000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089585fe0> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089585fd0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089585f88> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #39" #760 prio=5 os_prio=0 tid=0x00007fdd4fe0b800 nid=0x54a9 runnable [0x00007fdc7065a000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089586328> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089586318> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000895862d0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #38" #758 prio=5 os_prio=0 tid=0x00007fdd4fd16800 nid=0x54a7 runnable [0x00007fdc6b357000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089586620> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089586610> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000895865c8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #37" #757 prio=5 os_prio=0 tid=0x00007fdd4025a800 nid=0x54a6 runnable [0x00007fdc70f63000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089586918> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089586908> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000895868c0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #36" #756 prio=5 os_prio=0 tid=0x00007fdd70f20000 nid=0x54a5 runnable [0x00007fdd33b7f000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089586c10> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089586c00> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089586bb8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O server boss #35" #755 prio=5 os_prio=0 tid=0x00007fdd40251800 nid=0x54a4 runnable [0x00007fdd3387c000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089586f08> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089586ef8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089586eb0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #34" #754 prio=5 os_prio=0 tid=0x00007fdd4fd5a800 nid=0x54a3 runnable [0x00007fdd33076000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000895871f8> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000895871e8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000895871a0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #33" #753 prio=5 os_prio=0 tid=0x00007fdd4f8f4000 nid=0x54a2 runnable [0x00007fdd32c72000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000895874f0> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000895874e0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089587498> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #32" #752 prio=5 os_prio=0 tid=0x00007fdd7087c800 nid=0x54a1 runnable [0x00007fdd464e9000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000895877e8> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000895877d8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089587790> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #31" #751 prio=5 os_prio=0 tid=0x00007fdd40223000 nid=0x54a0 runnable [0x00007fdc71064000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000089587ae0> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000089587ad0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000089587a88> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "executor-Fetch" #326 prio=5 os_prio=0 tid=0x0000000002bca800 nid=0x52e8 waiting on condition [0x00007fdd32d73000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008902da50> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "executor-Fetch" #325 prio=5 os_prio=0 tid=0x00000000036a7000 nid=0x52e7 waiting on condition [0x00007fdd33278000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088ed35e0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ReplicaFetcherThread-0-1" #304 prio=5 os_prio=0 tid=0x0000000002347800 nid=0x52d4 runnable [0x00007fdc76b6b000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008fb007c8> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008fb007b8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008fb00770> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:349)
> 	at kafka.utils.NetworkClientBlockingOps$.recursivePoll$1(NetworkClientBlockingOps.scala:135)
> 	at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$$pollContinuously$extension(NetworkClientBlockingOps.scala:142)
> 	at kafka.utils.NetworkClientBlockingOps$.blockingSendAndReceive$extension(NetworkClientBlockingOps.scala:108)
> 	at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:249)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:234)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
> 	at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
> 	at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ReplicaFetcherThread-0-2" #305 prio=5 os_prio=0 tid=0x0000000003045000 nid=0x52d2 runnable [0x00007fdc76d6d000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008fb00b10> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008fb00b00> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008fb00ab8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:349)
> 	at kafka.utils.NetworkClientBlockingOps$.recursivePoll$1(NetworkClientBlockingOps.scala:135)
> 	at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$$pollContinuously$extension(NetworkClientBlockingOps.scala:142)
> 	at kafka.utils.NetworkClientBlockingOps$.blockingSendAndReceive$extension(NetworkClientBlockingOps.scala:108)
> 	at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:249)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:234)
> 	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
> 	at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
> 	at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "mini-cluster-io-thread-2" #257 daemon prio=5 os_prio=0 tid=0x0000000003599000 nid=0x52a3 waiting on condition [0x00007fdd32f75000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000804a49f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "mini-cluster-io-thread-1" #251 daemon prio=5 os_prio=0 tid=0x000000000352b000 nid=0x529a waiting on condition [0x00007fdd33a7e000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000804a49f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "Flink-MetricRegistry-thread-1" #237 daemon prio=5 os_prio=0 tid=0x00007fdd4fec8800 nid=0x528f waiting on condition [0x00007fdd34789000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000804907a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-9" #233 daemon prio=5 os_prio=0 tid=0x0000000002f26000 nid=0x528b waiting on condition [0x00007fdd34d8d000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-8" #232 daemon prio=5 os_prio=0 tid=0x00007fdd4007b000 nid=0x528a waiting on condition [0x00007fdd34e8e000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-9" #231 daemon prio=5 os_prio=0 tid=0x0000000003073800 nid=0x5289 waiting on condition [0x00007fdd38c90000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-8" #230 daemon prio=5 os_prio=0 tid=0x00007fdd408e2800 nid=0x5288 waiting on condition [0x00007fdd34f8f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "Hashed wheel timer #4" #216 prio=5 os_prio=0 tid=0x00007fdd40568800 nid=0x527e waiting on condition [0x00007fdd39094000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:445)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:364)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O server boss #24" #220 prio=5 os_prio=0 tid=0x00007fdd70ff5000 nid=0x527d runnable [0x00007fdd39195000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088800ed8> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088800ec8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088800e80> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #23" #219 prio=5 os_prio=0 tid=0x00007fdd4014a000 nid=0x527c runnable [0x00007fdd39296000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088871ed0> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088871ec0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088871e78> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #22" #218 prio=5 os_prio=0 tid=0x00007fdd40148000 nid=0x527b runnable [0x00007fdd39397000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088801218> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088801208> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000888011c0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O boss #21" #217 prio=5 os_prio=0 tid=0x00007fdd40146000 nid=0x527a runnable [0x00007fdd39498000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088801560> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088801550> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088801508> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #20" #215 prio=5 os_prio=0 tid=0x00007fdd7116a800 nid=0x5279 runnable [0x00007fdd39599000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000888721c8> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000888721b8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088872170> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #19" #214 prio=5 os_prio=0 tid=0x00007fdd70ff7000 nid=0x5278 runnable [0x00007fdd3969a000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088872510> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088872500> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000888724b8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "flink-akka.remote.default-remote-dispatcher-8" #213 prio=5 os_prio=0 tid=0x000000000294a000 nid=0x5277 waiting on condition [0x00007fdd3979b000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886a940> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-akka.remote.default-remote-dispatcher-7" #212 prio=5 os_prio=0 tid=0x000000000232d000 nid=0x5276 waiting on condition [0x00007fdd3989c000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886a940> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.idleAwaitWork(ForkJoinPool.java:2135)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2067)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "Hashed wheel timer #3" #169 prio=5 os_prio=0 tid=0x00007fdd7142c000 nid=0x5274 waiting on condition [0x00007fdd3999d000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:445)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:364)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at java.lang.Thread.run(Thread.java:748)
> "flink-akka.actor.default-dispatcher-6" #211 prio=5 os_prio=0 tid=0x000000000232a800 nid=0x526b waiting on condition [0x00007fdd39a9e000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088872c50> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.idleAwaitWork(ForkJoinPool.java:2135)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2067)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-akka.actor.default-dispatcher-5" #210 prio=5 os_prio=0 tid=0x00007fdd7142a000 nid=0x526a waiting on condition [0x00007fdd39b9f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088872c50> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-scheduler-1" #205 prio=5 os_prio=0 tid=0x00007fdd40292800 nid=0x5265 waiting on condition [0x00007fdd3a0a4000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at akka.actor.LightArrayRevolverScheduler.waitNanos(LightArrayRevolverScheduler.scala:85)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$4.nextTick(LightArrayRevolverScheduler.scala:266)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$4.run(LightArrayRevolverScheduler.scala:236)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-7" #204 daemon prio=5 os_prio=0 tid=0x00007fdd7116d000 nid=0x5264 waiting on condition [0x00007fdd3a3a5000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088873b60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-6" #203 daemon prio=5 os_prio=0 tid=0x00007fdd4fea6000 nid=0x5263 waiting on condition [0x00007fdd3a4a6000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088873b60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-5" #202 daemon prio=5 os_prio=0 tid=0x00007fdd4fea4000 nid=0x5262 waiting on condition [0x00007fdd3a5a7000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088873b60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-4" #201 daemon prio=5 os_prio=0 tid=0x00007fdd4fea2800 nid=0x5261 waiting on condition [0x00007fdd3a6a8000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088873b60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-3" #200 daemon prio=5 os_prio=0 tid=0x00007fdd4fea0000 nid=0x5260 waiting on condition [0x00007fdd3a7a9000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088873b60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-2" #199 daemon prio=5 os_prio=0 tid=0x00007fdd4fa78000 nid=0x525f waiting on condition [0x00007fdd3a8aa000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088873b60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-1" #198 daemon prio=5 os_prio=0 tid=0x00007fdd4fa77000 nid=0x525e waiting on condition [0x00007fdd3a9ab000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088873b60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-0" #197 daemon prio=5 os_prio=0 tid=0x00007fdd70857800 nid=0x525d waiting on condition [0x00007fdd3aaac000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088873b60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "group-metadata-manager-0" #196 daemon prio=5 os_prio=0 tid=0x00007fdd708c3800 nid=0x525c waiting on condition [0x00007fdd3abad000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886ac18> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ExpirationReaper-2" #195 prio=5 os_prio=0 tid=0x00007fdd70ed9800 nid=0x525b waiting on condition [0x00007fdd3acae000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886aea0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ExpirationReaper-2" #194 prio=5 os_prio=0 tid=0x00007fdd70ed8000 nid=0x525a waiting on condition [0x00007fdd3adaf000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886b0f8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ExpirationReaper-2" #193 prio=5 os_prio=0 tid=0x00007fdd70edc000 nid=0x5259 waiting on condition [0x00007fdd3aeb0000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886b350> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-scheduler-7" #192 daemon prio=5 os_prio=0 tid=0x000000000220c000 nid=0x5258 waiting on condition [0x00007fdd3afb1000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-6" #191 daemon prio=5 os_prio=0 tid=0x00007fdd70eda800 nid=0x5257 waiting on condition [0x00007fdd3b0b2000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-5" #190 daemon prio=5 os_prio=0 tid=0x00000000020a6000 nid=0x5256 waiting on condition [0x00007fdd3b1b3000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-4" #189 daemon prio=5 os_prio=0 tid=0x00007fdd401cc000 nid=0x5255 waiting on condition [0x00007fdd3b2b4000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ExpirationReaper-2" #188 prio=5 os_prio=0 tid=0x00007fdd40296000 nid=0x5254 waiting on condition [0x00007fdd3b3b5000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886bcc8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:273)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ExpirationReaper-2" #187 prio=5 os_prio=0 tid=0x00007fdd40294800 nid=0x5253 waiting on condition [0x00007fdd3b4b6000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886bf30> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-socket-acceptor-ListenerName(PLAINTEXT)-PLAINTEXT-45660" #186 prio=5 os_prio=0 tid=0x00007fdd4fe06000 nid=0x5252 runnable [0x00007fdd3b5b7000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886c200> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886c1f0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886c1a8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at kafka.network.Acceptor.run(SocketServer.scala:274)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-network-thread-2-ListenerName(PLAINTEXT)-PLAINTEXT-2" #185 prio=5 os_prio=0 tid=0x00007fdd4fe04800 nid=0x5251 runnable [0x00007fdd3b6b8000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886c478> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886c468> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886c420> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at kafka.network.Processor.poll(SocketServer.scala:494)
> 	at kafka.network.Processor.run(SocketServer.scala:432)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-network-thread-2-ListenerName(PLAINTEXT)-PLAINTEXT-1" #184 prio=5 os_prio=0 tid=0x00007fdd4fe01000 nid=0x5250 runnable [0x00007fdd3b7b9000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886c758> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886c748> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886c700> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at kafka.network.Processor.poll(SocketServer.scala:494)
> 	at kafka.network.Processor.run(SocketServer.scala:432)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-network-thread-2-ListenerName(PLAINTEXT)-PLAINTEXT-0" #183 prio=5 os_prio=0 tid=0x00007fdd71450800 nid=0x524f runnable [0x00007fdd3b8ba000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886ca38> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886ca28> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886c9e0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at kafka.network.Processor.poll(SocketServer.scala:494)
> 	at kafka.network.Processor.run(SocketServer.scala:432)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-log-cleaner-thread-0" #178 prio=5 os_prio=0 tid=0x00007fdd7142d000 nid=0x524e waiting on condition [0x00007fdd3b9bb000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886ccb0> (a java.util.concurrent.CountDownLatch$Sync)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1328)
> 	at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:277)
> 	at kafka.log.LogCleaner$CleanerThread.cleanOrSleep(LogCleaner.scala:261)
> 	at kafka.log.LogCleaner$CleanerThread.doWork(LogCleaner.scala:220)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-scheduler-3" #182 daemon prio=5 os_prio=0 tid=0x00007fdd71455800 nid=0x524d waiting on condition [0x00007fdd3babc000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-2" #181 daemon prio=5 os_prio=0 tid=0x00007fdd71453800 nid=0x524c waiting on condition [0x00007fdd3bbbd000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-1" #180 daemon prio=5 os_prio=0 tid=0x00007fdd71452000 nid=0x524b waiting on condition [0x00007fdd3bcbe000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-0" #179 daemon prio=5 os_prio=0 tid=0x00007fdd401ce800 nid=0x524a waiting on condition [0x00007fdd3bdbf000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888005f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ThrottledRequestReaper-Produce" #177 prio=5 os_prio=0 tid=0x00007fdd4fbb5000 nid=0x5249 waiting on condition [0x00007fdd3bec0000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886d710> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.server.ClientQuotaManager$ThrottledRequestReaper.doWork(ClientQuotaManager.scala:158)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ThrottledRequestReaper-Fetch" #176 prio=5 os_prio=0 tid=0x00007fdd4fb04800 nid=0x5248 waiting on condition [0x00007fdd3bfc1000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886d8f8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.server.ClientQuotaManager$ThrottledRequestReaper.doWork(ClientQuotaManager.scala:158)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "SensorExpiryThread" #175 daemon prio=5 os_prio=0 tid=0x00007fdd400ba800 nid=0x5247 waiting on condition [0x00007fdd3c0c2000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886dab8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "Hashed wheel timer #2" #124 prio=5 os_prio=0 tid=0x00000000021f0000 nid=0x5246 waiting on condition [0x00007fdd3c1c3000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:445)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:364)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at java.lang.Thread.run(Thread.java:748)
> "main-EventThread" #174 daemon prio=5 os_prio=0 tid=0x00007fdd4fc6e800 nid=0x5245 waiting on condition [0x00007fdd3c2c4000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886df10> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)
> "main-SendThread(127.0.0.1:46782)" #173 daemon prio=5 os_prio=0 tid=0x00007fdd4fc6c800 nid=0x5244 runnable [0x00007fdd3c3c5000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886e1d8> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886e1c8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886e180> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)
> "ZkClient-EventThread-172-127.0.0.1:46782" #172 daemon prio=5 os_prio=0 tid=0x00007fdd4fc6b000 nid=0x5243 waiting on condition [0x00007fdd3c4c6000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008886e468> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:68)
> "New I/O boss #30" #170 prio=5 os_prio=0 tid=0x00007fdd40555000 nid=0x5241 runnable [0x00007fdd3c6c8000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886e950> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886e940> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886e8f8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #29" #168 prio=5 os_prio=0 tid=0x00007fdd40553000 nid=0x5240 runnable [0x00007fdd3c7c9000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886ecb0> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886eca0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886ec58> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #28" #167 prio=5 os_prio=0 tid=0x00007fdd40551000 nid=0x523f runnable [0x00007fdd3c8ca000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886efa8> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886ef98> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886ef50> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #27" #166 prio=5 os_prio=0 tid=0x00007fdd4fccd000 nid=0x523e runnable [0x00007fdd3c9cb000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886f2a0> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886f290> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886f248> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #26" #165 prio=5 os_prio=0 tid=0x00007fdd4fccb000 nid=0x523d runnable [0x00007fdd3cacc000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886f598> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886f588> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886f540> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O server boss #25" #164 prio=5 os_prio=0 tid=0x00007fdd4fcc9000 nid=0x523c runnable [0x00007fdd3cbcd000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886f890> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886f880> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886f838> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #24" #163 prio=5 os_prio=0 tid=0x00007fdd40a28800 nid=0x523b runnable [0x00007fdd3ccce000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886fb80> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886fb70> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886fb28> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #23" #162 prio=5 os_prio=0 tid=0x00007fdd40a27800 nid=0x523a runnable [0x00007fdd3cdcf000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008886fe78> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008886fe68> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008886fe20> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #22" #161 prio=5 os_prio=0 tid=0x00007fdd40a27000 nid=0x5239 runnable [0x00007fdd3ced0000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088870270> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088870260> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088870218> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #21" #160 prio=5 os_prio=0 tid=0x00007fdd70cd8000 nid=0x5238 runnable [0x00007fdd3cfd1000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088870568> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088870558> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088870510> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-7" #159 daemon prio=5 os_prio=0 tid=0x00007fdd4fa2a000 nid=0x5237 waiting on condition [0x00007fdd3d0d2000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888707c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-6" #158 daemon prio=5 os_prio=0 tid=0x00007fdd40a25800 nid=0x5236 waiting on condition [0x00007fdd3d1d3000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888707c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-5" #157 daemon prio=5 os_prio=0 tid=0x00007fdd40203000 nid=0x5235 waiting on condition [0x00007fdd3d2d4000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888707c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-4" #156 daemon prio=5 os_prio=0 tid=0x00007fdd40201800 nid=0x5234 waiting on condition [0x00007fdd3d3d5000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888707c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-3" #155 daemon prio=5 os_prio=0 tid=0x00007fdd405d0800 nid=0x5233 waiting on condition [0x00007fdd3d4d6000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888707c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-2" #154 daemon prio=5 os_prio=0 tid=0x00007fdd40a23000 nid=0x5232 waiting on condition [0x00007fdd3d5d7000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888707c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-1" #153 daemon prio=5 os_prio=0 tid=0x00007fdd4fa64000 nid=0x5231 waiting on condition [0x00007fdd3d6d8000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888707c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-request-handler-0" #152 daemon prio=5 os_prio=0 tid=0x00007fdd4f939000 nid=0x5230 waiting on condition [0x00007fdd3d7d9000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888707c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
> 	at kafka.network.RequestChannel.receiveRequest(RequestChannel.scala:237)
> 	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:50)
> 	at java.lang.Thread.run(Thread.java:748)
> "group-metadata-manager-0" #151 daemon prio=5 os_prio=0 tid=0x00007fdd405d7000 nid=0x522f waiting on condition [0x00007fdd3d8da000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888755f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ExpirationReaper-1" #150 prio=5 os_prio=0 tid=0x00007fdd405d2800 nid=0x522e waiting on condition [0x00007fdd3d9db000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088875878> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ExpirationReaper-1" #149 prio=5 os_prio=0 tid=0x00007fdd405d4000 nid=0x522d waiting on condition [0x00007fdd3dadc000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088875b58> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ExpirationReaper-1" #148 prio=5 os_prio=0 tid=0x00007fdd4fa62000 nid=0x522c waiting on condition [0x00007fdd3dbdd000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088875db0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-scheduler-7" #147 daemon prio=5 os_prio=0 tid=0x00007fdd4fa2e000 nid=0x522b waiting on condition [0x00007fdd3dcde000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-5" #146 daemon prio=5 os_prio=0 tid=0x00007fdd70f02000 nid=0x522a waiting on condition [0x00007fdd5683f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-6" #145 daemon prio=5 os_prio=0 tid=0x0000000002fb5000 nid=0x5229 waiting on condition [0x00007fdd3dddf000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-4" #144 daemon prio=5 os_prio=0 tid=0x00007fdd4f93c800 nid=0x5228 waiting on condition [0x00007fdd3dee0000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ExpirationReaper-1" #143 prio=5 os_prio=0 tid=0x00007fdd40a2c800 nid=0x5227 waiting on condition [0x00007fdd3dfe1000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088876728> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:273)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ExpirationReaper-1" #142 prio=5 os_prio=0 tid=0x00007fdd40a30000 nid=0x5226 waiting on condition [0x00007fdd3e0e2000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088876980> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.utils.timer.SystemTimer.advanceClock(Timer.scala:105)
> 	at kafka.server.DelayedOperationPurgatory.advanceClock(DelayedOperation.scala:354)
> 	at kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper.doWork(DelayedOperation.scala:378)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-socket-acceptor-ListenerName(PLAINTEXT)-PLAINTEXT-35527" #141 prio=5 os_prio=0 tid=0x00007fdd409b3000 nid=0x5225 runnable [0x00007fdd3e1e3000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088876c50> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088876c40> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088876bf8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at kafka.network.Acceptor.run(SocketServer.scala:274)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-network-thread-1-ListenerName(PLAINTEXT)-PLAINTEXT-2" #140 prio=5 os_prio=0 tid=0x00007fdd40a1c800 nid=0x5224 runnable [0x00007fdd3e2e4000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088876ec8> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088876eb8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088876e70> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at kafka.network.Processor.poll(SocketServer.scala:494)
> 	at kafka.network.Processor.run(SocketServer.scala:432)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-network-thread-1-ListenerName(PLAINTEXT)-PLAINTEXT-1" #139 prio=5 os_prio=0 tid=0x00007fdd40a1a800 nid=0x5223 runnable [0x00007fdd3e3e5000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088877228> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088877218> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000888771d0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at kafka.network.Processor.poll(SocketServer.scala:494)
> 	at kafka.network.Processor.run(SocketServer.scala:432)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-network-thread-1-ListenerName(PLAINTEXT)-PLAINTEXT-0" #138 prio=5 os_prio=0 tid=0x00007fdd40a19000 nid=0x5222 runnable [0x00007fdd3e4e6000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088877508> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000888774f8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000888774b0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.kafka.common.network.Selector.select(Selector.java:489)
> 	at org.apache.kafka.common.network.Selector.poll(Selector.java:298)
> 	at kafka.network.Processor.poll(SocketServer.scala:494)
> 	at kafka.network.Processor.run(SocketServer.scala:432)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-log-cleaner-thread-0" #133 prio=5 os_prio=0 tid=0x00007fdd409a9000 nid=0x5221 waiting on condition [0x00007fdd3e5e7000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088870d68> (a java.util.concurrent.CountDownLatch$Sync)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1328)
> 	at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:277)
> 	at kafka.log.LogCleaner$CleanerThread.cleanOrSleep(LogCleaner.scala:261)
> 	at kafka.log.LogCleaner$CleanerThread.doWork(LogCleaner.scala:220)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "kafka-scheduler-3" #137 daemon prio=5 os_prio=0 tid=0x00007fdd409a7000 nid=0x5220 waiting on condition [0x00007fdd3e6e8000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-2" #136 daemon prio=5 os_prio=0 tid=0x00007fdd405db800 nid=0x521f waiting on condition [0x00007fdd3e7e9000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-1" #135 daemon prio=5 os_prio=0 tid=0x00007fdd405da800 nid=0x521e waiting on condition [0x00007fdd3e8ea000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "kafka-scheduler-0" #134 daemon prio=5 os_prio=0 tid=0x00007fdd405de000 nid=0x521d waiting on condition [0x00007fdd3e9eb000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888001c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "Hashed wheel timer #1" #76 prio=5 os_prio=0 tid=0x00007fdd408fb000 nid=0x521c waiting on condition [0x00007fdd3eaec000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:445)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:364)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at java.lang.Thread.run(Thread.java:748)
> "ThrottledRequestReaper-Produce" #132 prio=5 os_prio=0 tid=0x00007fdd408f7000 nid=0x521b waiting on condition [0x00007fdd3ebed000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088878850> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.server.ClientQuotaManager$ThrottledRequestReaper.doWork(ClientQuotaManager.scala:158)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "ThrottledRequestReaper-Fetch" #131 prio=5 os_prio=0 tid=0x00007fdd408f6000 nid=0x521a waiting on condition [0x00007fdd3ecee000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088878a38> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259)
> 	at kafka.server.ClientQuotaManager$ThrottledRequestReaper.doWork(ClientQuotaManager.scala:158)
> 	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
> "SensorExpiryThread" #130 daemon prio=5 os_prio=0 tid=0x00007fdd70e3e800 nid=0x5219 waiting on condition [0x00007fdd54b26000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088878bf8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "main-EventThread" #128 daemon prio=5 os_prio=0 tid=0x00007fdd40a8f000 nid=0x5217 waiting on condition [0x00007fdd3eef0000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888790b8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)
> "main-SendThread(127.0.0.1:46782)" #127 daemon prio=5 os_prio=0 tid=0x00007fdd40a8d800 nid=0x5216 runnable [0x00007fdd3eff1000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088879380> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088879370> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088879328> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)
> "ZkClient-EventThread-126-127.0.0.1:46782" #126 daemon prio=5 os_prio=0 tid=0x00007fdd40a73000 nid=0x5215 waiting on condition [0x00007fdd3f0f2000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088879610> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:68)
> "New I/O boss #20" #125 prio=5 os_prio=0 tid=0x00007fdd406d1000 nid=0x5214 runnable [0x00007fdd3f1f3000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000888798b0> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000888798a0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088879858> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #19" #123 prio=5 os_prio=0 tid=0x00007fdd406cf800 nid=0x5213 runnable [0x00007fdd3f2f4000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088879bf8> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088879be8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088879ba0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #18" #122 prio=5 os_prio=0 tid=0x00007fdd406bd000 nid=0x5212 runnable [0x00007fdd3f3f5000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088879f08> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088879ef8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088879eb0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #17" #121 prio=5 os_prio=0 tid=0x00007fdd406ab800 nid=0x5211 runnable [0x00007fdd3f4f6000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000888777e8> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000888777d8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088877790> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #16" #120 prio=5 os_prio=0 tid=0x00007fdd40680800 nid=0x5210 runnable [0x00007fdd3f5f7000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008887a200> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008887a1f0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008887a1a8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O server boss #15" #119 prio=5 os_prio=0 tid=0x00007fdd40665000 nid=0x520f runnable [0x00007fdd3f6f8000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088877ae0> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088877ad0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088877a88> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #14" #118 prio=5 os_prio=0 tid=0x00007fdd40128800 nid=0x520e runnable [0x00007fdd3f7f9000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008887a4f8> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008887a4e8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008887a4a0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #13" #117 prio=5 os_prio=0 tid=0x00007fdd40127000 nid=0x520d runnable [0x00007fdd3f8fa000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088877dd0> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088877dc0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088877d78> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #12" #116 prio=5 os_prio=0 tid=0x00007fdd40115000 nid=0x520c runnable [0x00007fdd3f9fb000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008887a7f0> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008887a7e0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008887a798> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #11" #115 prio=5 os_prio=0 tid=0x00007fdd400dc000 nid=0x520b runnable [0x00007fdd3fffe000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000888780c8> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000888780b8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088878070> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "metrics-meter-tick-thread-2" #97 daemon prio=5 os_prio=0 tid=0x00007fdd4fc09800 nid=0x51f9 waiting on condition [0x00007fdd451e9000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008887eb28> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "metrics-meter-tick-thread-1" #85 daemon prio=5 os_prio=0 tid=0x00007fdd4fcd8800 nid=0x51ed waiting on condition [0x00007fdd45df5000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008887eb28> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O boss #10" #77 prio=5 os_prio=0 tid=0x00007fdd4f874000 nid=0x51e6 runnable [0x00007fdd468eb000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008887d3a0> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008887d390> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008887d348> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #9" #75 prio=5 os_prio=0 tid=0x00007fdd4f861000 nid=0x51e5 runnable [0x00007fdd469ec000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088880318> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088880308> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000888802c0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #8" #74 prio=5 os_prio=0 tid=0x00007fdd4f7ca000 nid=0x51e4 runnable [0x00007fdd46aed000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008887d6e8> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008887d6d8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008887d690> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #7" #73 prio=5 os_prio=0 tid=0x00007fdd4f7c8000 nid=0x51e3 runnable [0x00007fdd46bee000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088880610> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088880600> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000888805b8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #6" #72 prio=5 os_prio=0 tid=0x00007fdd4f7a8800 nid=0x51e2 runnable [0x00007fdd46cef000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008889d900> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008889d8f0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008889d8a8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O server boss #5" #71 prio=5 os_prio=0 tid=0x00007fdd4f7a6800 nid=0x51e1 runnable [0x00007fdd46df0000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088880908> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000888808f8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000888808b0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #4" #70 prio=5 os_prio=0 tid=0x00007fdd4f6fb800 nid=0x51e0 runnable [0x00007fdd46ef1000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088880bf8> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088880be8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088880ba0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #3" #69 prio=5 os_prio=0 tid=0x00007fdd4f6fa000 nid=0x51df runnable [0x00007fdd46ff2000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088880f08> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088880ef8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088880eb0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #2" #68 prio=5 os_prio=0 tid=0x00007fdd4f6fd000 nid=0x51de runnable [0x00007fdd470f3000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088881200> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000888811f0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000888811a8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #1" #67 prio=5 os_prio=0 tid=0x00007fdd4f6f9000 nid=0x51dd runnable [0x00007fdd471f4000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000888814f8> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000888814e8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000888814a0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.testutils.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "ProcessThread(sid:0 cport:46782):" #66 prio=5 os_prio=0 tid=0x00007fdd4f6e0800 nid=0x51dc waiting on condition [0x00007fdd472f5000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088881768> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:122)
> "SyncThread:0" #65 prio=5 os_prio=0 tid=0x00007fdd4f6de800 nid=0x51db waiting on condition [0x00007fdd473f6000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088881970> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:127)
> "SessionTracker" #64 prio=5 os_prio=0 tid=0x00007fdd4f6c7000 nid=0x51da in Object.wait() [0x00007fdd474f7000]
>    java.lang.Thread.State: TIMED_WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)
> 	- locked <0x00000000888819d8> (a org.apache.zookeeper.server.SessionTrackerImpl)
> "NIOServerCxn.Factory:0.0.0.0/0.0.0.0:46782" #63 daemon prio=5 os_prio=0 tid=0x00007fdd4f6aa800 nid=0x51d9 runnable [0x00007fdd475f8000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000088881da8> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000088881d98> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000088881d50> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:173)
> 	at java.lang.Thread.run(Thread.java:748)
> "Thread-7" #62 prio=5 os_prio=0 tid=0x00007fdd4f6bb800 nid=0x51d8 waiting on condition [0x00007fdd476f9000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088881f70> (a java.util.concurrent.CountDownLatch$Sync)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
> 	at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
> 	at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:122)
> 	at org.apache.curator.test.TestingZooKeeperMain.runFromConfig(TestingZooKeeperMain.java:93)
> 	at org.apache.curator.test.TestingZooKeeperServer$1.run(TestingZooKeeperServer.java:148)
> 	at java.lang.Thread.run(Thread.java:748)
> "Timer-2" #61 daemon prio=5 os_prio=0 tid=0x0000000002747000 nid=0x51d7 in Object.wait() [0x00007fdd479fa000]
>    java.lang.Thread.State: TIMED_WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	- waiting on <0x00000000888822a8> (a java.util.TaskQueue)
> 	at java.util.TimerThread.mainLoop(Timer.java:552)
> 	- locked <0x00000000888822a8> (a java.util.TaskQueue)
> 	at java.util.TimerThread.run(Timer.java:505)
> "Timer-1" #59 daemon prio=5 os_prio=0 tid=0x0000000002742800 nid=0x51d6 in Object.wait() [0x00007fdd47afb000]
>    java.lang.Thread.State: TIMED_WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	- waiting on <0x0000000088882498> (a java.util.TaskQueue)
> 	at java.util.TimerThread.mainLoop(Timer.java:552)
> 	- locked <0x0000000088882498> (a java.util.TaskQueue)
> 	at java.util.TimerThread.run(Timer.java:505)
> "mini-cluster-future-thread-2" #57 daemon prio=5 os_prio=0 tid=0x00007fdd4ea6d000 nid=0x51d5 waiting on condition [0x00007fdd47bfc000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000804a47d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "mini-cluster-future-thread-1" #56 daemon prio=5 os_prio=0 tid=0x00007fdd4e5d9000 nid=0x51d4 waiting on condition [0x00007fdd47cfd000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000804a47d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "Hashed wheel timer #3" #45 prio=5 os_prio=0 tid=0x00007fdd4ea58000 nid=0x51d3 waiting on condition [0x00007fdd47ffe000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:445)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:364)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at java.lang.Thread.run(Thread.java:748)
> "IOManager reader thread #1" #51 daemon prio=5 os_prio=0 tid=0x00007fdd4edc4800 nid=0x51d2 waiting on condition [0x00007fdd5411c000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000888829b8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync$ReaderThread.run(IOManagerAsync.java:355)
> "IOManager writer thread #1" #50 daemon prio=5 os_prio=0 tid=0x00007fdd4ef23800 nid=0x51d1 waiting on condition [0x00007fdd5421d000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000088882bc0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync$WriterThread.run(IOManagerAsync.java:461)
> "New I/O server boss #18" #49 prio=5 os_prio=0 tid=0x00000000026b5000 nid=0x51d0 runnable [0x00007fdd5431e000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000080038c60> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000080038c50> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000080038b38> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #17" #48 prio=5 os_prio=0 tid=0x000000000268a000 nid=0x51cf runnable [0x00007fdd5441f000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000080030f38> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000080030f28> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000080030e10> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #16" #47 prio=5 os_prio=0 tid=0x000000000265f800 nid=0x51ce runnable [0x00007fdd54520000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000080029230> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000080029220> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000080029108> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O boss #15" #46 prio=5 os_prio=0 tid=0x0000000002645000 nid=0x51cd runnable [0x00007fdd54621000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000800212d0> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000800212c0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000800211a8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #14" #44 prio=5 os_prio=0 tid=0x000000000261a000 nid=0x51cc runnable [0x00007fdd54722000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x0000000080015950> (a sun.nio.ch.Util$3)
> 	- locked <0x0000000080015940> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x0000000080015828> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #13" #43 prio=5 os_prio=0 tid=0x00000000025ef000 nid=0x51cb runnable [0x00007fdd54823000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008000dc48> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008000dc38> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008000db20> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "flink-akka.remote.default-remote-dispatcher-5" #42 prio=5 os_prio=0 tid=0x00000000025d3000 nid=0x51ca waiting on condition [0x00007fdd54924000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000080074a30> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-akka.remote.default-remote-dispatcher-4" #41 prio=5 os_prio=0 tid=0x00000000025cf800 nid=0x51c9 waiting on condition [0x00007fdd54a25000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000080074a30> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.idleAwaitWork(ForkJoinPool.java:2135)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2067)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-scheduler-1" #38 prio=5 os_prio=0 tid=0x00007fdd71112800 nid=0x51c6 sleeping[0x00007fdd54d28000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at akka.actor.LightArrayRevolverScheduler.waitNanos(LightArrayRevolverScheduler.scala:85)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$4.nextTick(LightArrayRevolverScheduler.scala:266)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$4.run(LightArrayRevolverScheduler.scala:236)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O server boss #12" #37 prio=5 os_prio=0 tid=0x00000000025c1000 nid=0x51c5 runnable [0x00007fdd54e29000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000804dc4c0> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000804dc4b0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000804dc398> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #11" #36 prio=5 os_prio=0 tid=0x0000000002596000 nid=0x51c4 runnable [0x00007fdd54f2a000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000804d4798> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000804d4788> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000804d4670> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #10" #35 prio=5 os_prio=0 tid=0x000000000256b000 nid=0x51c3 runnable [0x00007fdd5502b000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000804cca90> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000804cca80> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000804cc968> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O boss #9" #34 prio=5 os_prio=0 tid=0x0000000002550800 nid=0x51c2 runnable [0x00007fdd5512c000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000804c4b30> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000804c4b20> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000804c4a08> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #8" #32 prio=5 os_prio=0 tid=0x0000000002525800 nid=0x51c1 runnable [0x00007fdd5522d000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000804b92c0> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000804b92b0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000804b9198> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #7" #31 prio=5 os_prio=0 tid=0x00000000024fa000 nid=0x51c0 runnable [0x00007fdd5532e000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x00000000804b15b8> (a sun.nio.ch.Util$3)
> 	- locked <0x00000000804b15a8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x00000000804b1490> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "flink-akka.remote.default-remote-dispatcher-5" #30 prio=5 os_prio=0 tid=0x00000000024de000 nid=0x51bf waiting on condition [0x00007fdd5542f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008050fcc0> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-akka.remote.default-remote-dispatcher-4" #29 prio=5 os_prio=0 tid=0x00000000024dc000 nid=0x51be waiting on condition [0x00007fdd55530000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008050fcc0> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.idleAwaitWork(ForkJoinPool.java:2135)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2067)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-akka.actor.default-dispatcher-3" #28 prio=5 os_prio=0 tid=0x00007fdd71464800 nid=0x51bd waiting on condition [0x00007fdd55631000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008054a070> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "ForkJoinPool-1-worker-3" #26 daemon prio=5 os_prio=0 tid=0x00007fdd71015000 nid=0x51bb waiting on condition [0x00007fdd55833000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x0000000080493580> (a scala.concurrent.forkjoin.ForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-scheduler-1" #25 prio=5 os_prio=0 tid=0x00007fdd71461800 nid=0x51ba waiting on condition [0x00007fdd55934000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at akka.actor.LightArrayRevolverScheduler.waitNanos(LightArrayRevolverScheduler.scala:85)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$4.nextTick(LightArrayRevolverScheduler.scala:266)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$4.run(LightArrayRevolverScheduler.scala:236)
> 	at java.lang.Thread.run(Thread.java:748)
> "BLOB Server listener at 36715" #22 daemon prio=5 os_prio=0 tid=0x00007fdd712a0800 nid=0x51b9 runnable [0x00007fdd55a35000]
>    java.lang.Thread.State: RUNNABLE
> 	at java.net.PlainSocketImpl.socketAccept(Native Method)
> 	at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:409)
> 	at java.net.ServerSocket.implAccept(ServerSocket.java:545)
> 	at java.net.ServerSocket.accept(ServerSocket.java:513)
> 	at org.apache.flink.runtime.blob.BlobServer.run(BlobServer.java:267)
> "Timer-0" #23 daemon prio=5 os_prio=0 tid=0x00007fdd7129d000 nid=0x51b8 in Object.wait() [0x00007fdd55d36000]
>    java.lang.Thread.State: TIMED_WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	- waiting on <0x00000000805ca648> (a java.util.TaskQueue)
> 	at java.util.TimerThread.mainLoop(Timer.java:552)
> 	- locked <0x00000000805ca648> (a java.util.TaskQueue)
> 	at java.util.TimerThread.run(Timer.java:505)
> "New I/O server boss #6" #21 prio=5 os_prio=0 tid=0x00007fdd710c8800 nid=0x51b7 runnable [0x00007fdd55e37000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008043eaf0> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008043eb00> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008043eaa8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #5" #20 prio=5 os_prio=0 tid=0x00007fdd70ec2000 nid=0x51b6 runnable [0x00007fdd55f38000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008043ee30> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008043ee40> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008043ede8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #4" #19 prio=5 os_prio=0 tid=0x00007fdd71123800 nid=0x51b5 runnable [0x00007fdd56039000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.23006: No such process
> ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008043f178> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008043f188> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008043f130> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O boss #3" #18 prio=5 os_prio=0 tid=0x00007fdd7114f000 nid=0x51b4 runnable [0x00007fdd5613a000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008043f470> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008043f480> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008043f428> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #2" #16 prio=5 os_prio=0 tid=0x00007fdd70eab800 nid=0x51b3 runnable [0x00007fdd5623b000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008043f7b8> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008043f7c8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008043f770> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "New I/O worker #1" #15 prio=5 os_prio=0 tid=0x00007fdd70ec0000 nid=0x51b2 runnable [0x00007fdd5633c000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
> 	- locked <0x000000008043fb00> (a sun.nio.ch.Util$3)
> 	- locked <0x000000008043fb10> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000008043fab8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:434)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> 	at org.apache.flink.shaded.akka.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> "flink-akka.remote.default-remote-dispatcher-5" #14 prio=5 os_prio=0 tid=0x00007fdd70ef6000 nid=0x51b1 waiting on condition [0x00007fdd5663d000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008043fd80> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-akka.remote.default-remote-dispatcher-4" #13 prio=5 os_prio=0 tid=0x00007fdd70dea800 nid=0x51b0 waiting on condition [0x00007fdd5673e000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000008043fd80> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
> 	at scala.concurrent.forkjoin.ForkJoinPool.idleAwaitWork(ForkJoinPool.java:2135)
> 	at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2067)
> 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> "flink-scheduler-1" #10 prio=5 os_prio=0 tid=0x00007fdd70c76000 nid=0x51ad waiting on condition [0x00007fdd56c41000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at akka.actor.LightArrayRevolverScheduler.waitNanos(LightArrayRevolverScheduler.scala:85)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$4.nextTick(LightArrayRevolverScheduler.scala:266)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$4.run(LightArrayRevolverScheduler.scala:236)
> 	at java.lang.Thread.run(Thread.java:748)
> "Service Thread" #8 daemon prio=9 os_prio=0 tid=0x00007fdd70256000 nid=0x51ab runnable [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C1 CompilerThread1" #7 daemon prio=9 os_prio=0 tid=0x00007fdd701fa000 nid=0x51aa waiting on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread0" #6 daemon prio=9 os_prio=0 tid=0x00007fdd701f8000 nid=0x51a9 waiting on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" #5 daemon prio=9 os_prio=0 tid=0x00007fdd701f5800 nid=0x51a8 runnable [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Surrogate Locker Thread (Concurrent GC)" #4 daemon prio=9 os_prio=0 tid=0x00007fdd701f3800 nid=0x51a7 waiting on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Finalizer" #3 daemon prio=8 os_prio=0 tid=0x00007fdd701cc800 nid=0x51a6 in Object.wait() [0x00007fdd594b4000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
> 	- locked <0x00000000802c57b0> (a java.lang.ref.ReferenceQueue$Lock)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
> 	at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
> "Reference Handler" #2 daemon prio=10 os_prio=0 tid=0x00007fdd701c2000 nid=0x51a5 in Object.wait() [0x00007fdd595b5000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.Object.wait(Object.java:502)
> 	at java.lang.ref.Reference.tryHandlePending(Reference.java:191)
> 	- locked <0x00000000802c57a0> (a java.lang.ref.Reference$Lock)
> 	at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)
> "main" #1 prio=5 os_prio=0 tid=0x00007fdd7000a800 nid=0x519c waiting on condition [0x00007fdd786d9000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.flink.streaming.connectors.kafka.testutils.ClusterCommunicationUtils.waitUntilNoJobIsRunning(ClusterCommunicationUtils.java:42)
> 	at org.apache.flink.streaming.connectors.kafka.KafkaConsumerTestBase.setClientAndEnsureNoJobIsLingering(KafkaConsumerTestBase.java:147)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
> 	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
> 	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> 	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> 	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> 	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> 	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> 	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> 	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> 	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> 	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> 	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> 	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> 	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
> 	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
> 	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
> 	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
> "VM Thread" os_prio=0 tid=0x00007fdd701ba800 nid=0x51a4 runnable 
> "Gang worker#0 (Parallel GC Threads)" os_prio=0 tid=0x00007fdd7001f800 nid=0x519d runnable 
> "Gang worker#1 (Parallel GC Threads)" os_prio=0 tid=0x00007fdd70021000 nid=0x519e runnable 
> "G1 Main Concurrent Mark GC Thread" os_prio=0 tid=0x00007fdd70045000 nid=0x51a2 runnable 
> "Gang worker#0 (G1 Parallel Marking Threads)" os_prio=0 tid=0x00007fdd70047000 nid=0x51a3 runnable 
> "G1 Concurrent Refinement Thread#0" os_prio=0 tid=0x00007fdd70027000 nid=0x51a1 runnable 
> "G1 Concurrent Refinement Thread#1" os_prio=0 tid=0x00007fdd70025000 nid=0x51a0 runnable 
> "G1 Concurrent Refinement Thread#2" os_prio=0 tid=0x00007fdd70023800 nid=0x519f runnable 
> "VM Periodic Task Thread" os_prio=0 tid=0x00007fdd70259000 nid=0x51ac waiting on condition 
> JNI global references: 579
> {code}



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