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From "Kristian Rosenvold (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SUREFIRE-1182) Surefire 2.19 rc hangs when building maven core
Date Thu, 08 Oct 2015 17:10:26 GMT

    [ https://issues.apache.org/jira/browse/SUREFIRE-1182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14948998#comment-14948998
] 

Kristian Rosenvold commented on SUREFIRE-1182:
----------------------------------------------

I analyzed the two thread dumps, and it would appear that the interesting bits are in the
main process; the forked process appears to be completely idle. But why are there two streampumper
threads in the main process ?


> Surefire 2.19 rc hangs when building maven core
> -----------------------------------------------
>
>                 Key: SUREFIRE-1182
>                 URL: https://issues.apache.org/jira/browse/SUREFIRE-1182
>             Project: Maven Surefire
>          Issue Type: Bug
>         Environment: Ubuntu linux
>            Reporter: Kristian Rosenvold
>
> The 2.19 release candidate of 6 oct hangs when building maven core on linux.
> Stack dumps;
> Forked booter:
> 2015-10-08 18:59:45
> Full thread dump OpenJDK 64-Bit Server VM (25.45-b02 mixed mode):
> "Attach Listener" #23 daemon prio=9 os_prio=0 tid=0x00007f6770001000 nid=0x3f48 waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "DestroyJavaVM" #22 prio=5 os_prio=0 tid=0x00007f67c000a000 nid=0x3e8d waiting on condition
[0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "pool-1-thread-6" #20 prio=5 os_prio=0 tid=0x00007f67c065e800 nid=0x3eab waiting on condition
[0x00007f678847f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f3001be0> (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:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "pool-1-thread-5" #19 prio=5 os_prio=0 tid=0x00007f67c065d000 nid=0x3eaa waiting on condition
[0x00007f6788580000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f3001be0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "pool-1-thread-4" #18 prio=5 os_prio=0 tid=0x00007f67c065b000 nid=0x3ea9 waiting on condition
[0x00007f6788681000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f3001be0> (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:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "pool-1-thread-3" #17 prio=5 os_prio=0 tid=0x00007f67c0659800 nid=0x3ea8 waiting on condition
[0x00007f6788782000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f3001be0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "pool-1-thread-2" #16 prio=5 os_prio=0 tid=0x00007f67c0657800 nid=0x3ea7 waiting on condition
[0x00007f6788883000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f3001be0> (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:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "pool-1-thread-1" #15 prio=5 os_prio=0 tid=0x00007f67c0897000 nid=0x3ea6 waiting on condition
[0x00007f6789b54000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f3001be0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "last-ditch-daemon-shutdown-thread-30sec" #11 daemon prio=5 os_prio=0 tid=0x00007f67c02ff000
nid=0x3ea3 waiting on condition [0x00007f6789e8b000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f0013f60> (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:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "Service Thread" #9 daemon prio=9 os_prio=0 tid=0x00007f67c0253800 nid=0x3ea0 runnable
[0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C1 CompilerThread3" #8 daemon prio=9 os_prio=0 tid=0x00007f67c0246000 nid=0x3e9f waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread2" #7 daemon prio=9 os_prio=0 tid=0x00007f67c0244000 nid=0x3e9e waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread1" #6 daemon prio=9 os_prio=0 tid=0x00007f67c0242000 nid=0x3e9d waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread0" #5 daemon prio=9 os_prio=0 tid=0x00007f67c023f000 nid=0x3e9c waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" #4 daemon prio=9 os_prio=0 tid=0x00007f67c023d000 nid=0x3e9b runnable
[0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Finalizer" #3 daemon prio=8 os_prio=0 tid=0x00007f67c0212800 nid=0x3e9a in Object.wait()
[0x00007f678abea000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
> 	- locked <0x00000000f0028268> (a java.lang.ref.ReferenceQueue$Lock)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
> 	at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
> "Reference Handler" #2 daemon prio=10 os_prio=0 tid=0x00007f67c0210800 nid=0x3e99 in
Object.wait() [0x00007f678aceb000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.Object.wait(Object.java:502)
> 	at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
> 	- locked <0x00000000f001b110> (a java.lang.ref.Reference$Lock)
> "VM Thread" os_prio=0 tid=0x00007f67c020b000 nid=0x3e98 runnable 
> "GC task thread#0 (ParallelGC)" os_prio=0 tid=0x00007f67c001f000 nid=0x3e8e runnable

> "GC task thread#1 (ParallelGC)" os_prio=0 tid=0x00007f67c0021000 nid=0x3e8f runnable

> "GC task thread#2 (ParallelGC)" os_prio=0 tid=0x00007f67c0022800 nid=0x3e90 runnable

> "GC task thread#3 (ParallelGC)" os_prio=0 tid=0x00007f67c0024800 nid=0x3e91 runnable

> "GC task thread#4 (ParallelGC)" os_prio=0 tid=0x00007f67c0026000 nid=0x3e92 runnable

> "GC task thread#5 (ParallelGC)" os_prio=0 tid=0x00007f67c0028000 nid=0x3e93 runnable

> "GC task thread#6 (ParallelGC)" os_prio=0 tid=0x00007f67c002a000 nid=0x3e94 runnable

> "GC task thread#7 (ParallelGC)" os_prio=0 tid=0x00007f67c002b800 nid=0x3e95 runnable

> "GC task thread#8 (ParallelGC)" os_prio=0 tid=0x00007f67c002d800 nid=0x3e96 runnable

> "GC task thread#9 (ParallelGC)" os_prio=0 tid=0x00007f67c002f800 nid=0x3e97 runnable

> "VM Periodic Task Thread" os_prio=0 tid=0x00007f67c0256000 nid=0x3ea1 waiting on condition

> JNI global references: 25
> Main process:
> 2015-10-08 19:00:01
> Full thread dump OpenJDK 64-Bit Server VM (25.45-b02 mixed mode):
> "Attach Listener" #97 daemon prio=9 os_prio=0 tid=0x00007f55b0001000 nid=0x3f9c waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Thread-39" #95 prio=5 os_prio=0 tid=0x00007f5605ff0800 nid=0x3e8c runnable [0x00007f55cc79e000]
>    java.lang.Thread.State: RUNNABLE
> 	at java.io.FileInputStream.readBytes(Native Method)
> 	at java.io.FileInputStream.read(FileInputStream.java:255)
> 	at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
> 	at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
> 	- locked <0x00000000f4b628d0> (a java.lang.UNIXProcess$ProcessPipeInputStream)
> 	at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
> 	at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
> 	at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
> 	- locked <0x00000000f4b67b60> (a java.io.InputStreamReader)
> 	at java.io.InputStreamReader.read(InputStreamReader.java:184)
> 	at java.io.BufferedReader.fill(BufferedReader.java:161)
> 	at java.io.BufferedReader.readLine(BufferedReader.java:324)
> 	- locked <0x00000000f4b67b60> (a java.io.InputStreamReader)
> 	at java.io.BufferedReader.readLine(BufferedReader.java:389)
> 	at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.StreamPumper.run(StreamPumper.java:76)
> "Thread-38" #94 prio=5 os_prio=0 tid=0x00007f5605ff0000 nid=0x3e8a runnable [0x00007f55cc9a0000]
>    java.lang.Thread.State: RUNNABLE
> 	at java.io.FileInputStream.readBytes(Native Method)
> 	at java.io.FileInputStream.read(FileInputStream.java:255)
> 	at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
> 	at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
> 	- locked <0x00000000f4b60810> (a java.lang.UNIXProcess$ProcessPipeInputStream)
> 	at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
> 	at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
> 	at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
> 	- locked <0x00000000f4b64ec0> (a java.io.InputStreamReader)
> 	at java.io.InputStreamReader.read(InputStreamReader.java:184)
> 	at java.io.BufferedReader.fill(BufferedReader.java:161)
> 	at java.io.BufferedReader.readLine(BufferedReader.java:324)
> 	- locked <0x00000000f4b64ec0> (a java.io.InputStreamReader)
> 	at java.io.BufferedReader.readLine(BufferedReader.java:389)
> 	at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.StreamPumper.run(StreamPumper.java:76)
> "Thread-37" #93 prio=5 os_prio=0 tid=0x00007f5605fef000 nid=0x3e89 waiting on condition
[0x00007f55cc89f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f4a5b660> (a java.util.concurrent.Semaphore$NonfairSync)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
> 	at java.util.concurrent.Semaphore.acquire(Semaphore.java:312)
> 	at org.apache.maven.plugin.surefire.booterclient.lazytestprovider.TestLessInputStream.awaitNextCommand(TestLessInputStream.java:156)
> 	at org.apache.maven.plugin.surefire.booterclient.lazytestprovider.TestLessInputStream.beforeNextCommand(TestLessInputStream.java:127)
> 	at org.apache.maven.plugin.surefire.booterclient.lazytestprovider.AbstractCommandStream.read(AbstractCommandStream.java:101)
> 	at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.StreamFeeder.feed(StreamFeeder.java:123)
> 	at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.StreamFeeder.run(StreamFeeder.java:60)
> "ThreadedStreamConsumer" #92 daemon prio=5 os_prio=0 tid=0x00007f5605fee800 nid=0x3e87
waiting on condition [0x00007f55ccada000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f4b50f58> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.maven.plugin.surefire.booterclient.output.ThreadedStreamConsumer$Pumper.run(ThreadedStreamConsumer.java:71)
> 	at java.lang.Thread.run(Thread.java:745)
> "ping-timer-10sec" #89 daemon prio=5 os_prio=0 tid=0x00007f5605fed800 nid=0x3e86 waiting
on condition [0x00007f55ccbdb000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000f4a58198> (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:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "process reaper" #22 daemon prio=10 os_prio=0 tid=0x00007f5604460000 nid=0x3d40 runnable
[0x00007f55cc9d9000]
>    java.lang.Thread.State: RUNNABLE
> 	at java.lang.UNIXProcess.waitForProcessExit(Native Method)
> 	at java.lang.UNIXProcess.lambda$initStreams$270(UNIXProcess.java:290)
> 	at java.lang.UNIXProcess$$Lambda$7/334999761.run(Unknown Source)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "resolver-5" #17 daemon prio=5 os_prio=0 tid=0x00007f56043c1000 nid=0x3d3b waiting on
condition [0x00007f55cccdc000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000c09cdef0> (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:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "resolver-4" #16 daemon prio=5 os_prio=0 tid=0x00007f56045d3000 nid=0x3d3a waiting on
condition [0x00007f55ccddd000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000c09cdef0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "resolver-3" #15 daemon prio=5 os_prio=0 tid=0x00007f56043c0800 nid=0x3d39 waiting on
condition [0x00007f55ccede000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000c09cdef0> (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:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "resolver-2" #14 daemon prio=5 os_prio=0 tid=0x00007f56043c3800 nid=0x3d38 waiting on
condition [0x00007f55ccfdf000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000c09cdef0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "resolver-1" #13 daemon prio=5 os_prio=0 tid=0x00007f560566a800 nid=0x3d37 waiting on
condition [0x00007f55ce352000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000c09cdef0> (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:1067)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> "Service Thread" #9 daemon prio=9 os_prio=0 tid=0x00007f56040cc800 nid=0x3d33 runnable
[0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C1 CompilerThread3" #8 daemon prio=9 os_prio=0 tid=0x00007f56040bf000 nid=0x3d32 waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread2" #7 daemon prio=9 os_prio=0 tid=0x00007f56040bd000 nid=0x3d31 waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread1" #6 daemon prio=9 os_prio=0 tid=0x00007f56040bb000 nid=0x3d30 waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread0" #5 daemon prio=9 os_prio=0 tid=0x00007f56040b8000 nid=0x3d2f waiting
on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" #4 daemon prio=9 os_prio=0 tid=0x00007f56040b6000 nid=0x3d2e runnable
[0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Finalizer" #3 daemon prio=8 os_prio=0 tid=0x00007f560408b800 nid=0x3d2d in Object.wait()
[0x00007f55ec27e000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
> 	- locked <0x00000000c0823e88> (a java.lang.ref.ReferenceQueue$Lock)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
> 	at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
> "Reference Handler" #2 daemon prio=10 os_prio=0 tid=0x00007f5604089000 nid=0x3d2c in
Object.wait() [0x00007f55ec37f000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.Object.wait(Object.java:502)
> 	at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
> 	- locked <0x00000000c057b788> (a java.lang.ref.Reference$Lock)
> "main" #1 prio=5 os_prio=0 tid=0x00007f560400a000 nid=0x3d20 in Object.wait() [0x00007f560caee000]
>    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.UNIXProcess.waitFor(UNIXProcess.java:396)
> 	- locked <0x00000000f4b5e5e8> (a java.lang.UNIXProcess)
> 	at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.CommandLineUtils$1.call(CommandLineUtils.java:260)
> 	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:551)
> 	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:461)
> 	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:229)
> 	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:201)
> 	at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1014)
> 	at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:850)
> 	at org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:739)
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
> 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
> 	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
> 	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:347)
> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:154)
> 	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:582)
> 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
> 	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:497)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
> "VM Thread" os_prio=0 tid=0x00007f5604084000 nid=0x3d2b runnable 
> "GC task thread#0 (ParallelGC)" os_prio=0 tid=0x00007f560401f000 nid=0x3d21 runnable

> "GC task thread#1 (ParallelGC)" os_prio=0 tid=0x00007f5604021000 nid=0x3d22 runnable

> "GC task thread#2 (ParallelGC)" os_prio=0 tid=0x00007f5604022800 nid=0x3d23 runnable

> "GC task thread#3 (ParallelGC)" os_prio=0 tid=0x00007f5604024800 nid=0x3d24 runnable

> "GC task thread#4 (ParallelGC)" os_prio=0 tid=0x00007f5604026000 nid=0x3d25 runnable

> "GC task thread#5 (ParallelGC)" os_prio=0 tid=0x00007f5604028000 nid=0x3d26 runnable

> "GC task thread#6 (ParallelGC)" os_prio=0 tid=0x00007f560402a000 nid=0x3d27 runnable

> "GC task thread#7 (ParallelGC)" os_prio=0 tid=0x00007f560402b800 nid=0x3d28 runnable

> "GC task thread#8 (ParallelGC)" os_prio=0 tid=0x00007f560402d800 nid=0x3d29 runnable

> "GC task thread#9 (ParallelGC)" os_prio=0 tid=0x00007f560402f800 nid=0x3d2a runnable

> "VM Periodic Task Thread" os_prio=0 tid=0x00007f56040cf000 nid=0x3d34 waiting on condition

> JNI global references: 320



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