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From "Andrey (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-5761) ClassNotFoundException during cancel job
Date Thu, 09 Feb 2017 14:04:41 GMT
Andrey created FLINK-5761:
-----------------------------

             Summary: ClassNotFoundException during cancel job
                 Key: FLINK-5761
                 URL: https://issues.apache.org/jira/browse/FLINK-5761
             Project: Flink
          Issue Type: Bug
            Reporter: Andrey


Steps to reproduce:
* setup flink cluster in HA mode
* submit job with rocksdb state backend and enableFullyAsyncSnapshots
* send some load to the job
* in the middle of processing cancel job using the command: ./flink cancel <jobId>

In the JobManager logs:
{code}
2017-02-09 13:55:49,511 INFO  org.apache.flink.runtime.checkpoint.CheckpointCoordinator  
  - Stopping checkpoint coordinator for job e140ad8a3deeae991a9bbe080222d3f6
2017-02-09 13:55:49,517 INFO  org.apache.flink.runtime.jobmanager.ZooKeeperSubmittedJobGraphStore
 - Removed job graph e140ad8a3deeae991a9bbe080222d3f6 from ZooKeeper.
2017-02-09 13:55:49,519 WARN  org.apache.flink.runtime.checkpoint.ZooKeeperCompletedCheckpointStore
 - Failed to discard checkpoint 1.
java.lang.Exception: Could not discard the completed checkpoint Checkpoint 1 @ 1486648542769
for e140ad8a3deeae991a9bbe080222d3f6.
        at org.apache.flink.runtime.checkpoint.ZooKeeperCompletedCheckpointStore$1.processResult(ZooKeeperCompletedCheckpointStore.java:308)
        at org.apache.flink.shaded.org.apache.curator.framework.imps.Backgrounding$1$1.run(Backgrounding.java:109)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: org.apache.flink.contrib.streaming.state.RocksDBStateBackend$FinalFullyAsyncSnapshot
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at org.apache.flink.util.InstantiationUtil$ClassLoaderObjectInputStream.resolveClass(InstantiationUtil.java:65)
        at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1620)
        at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1521)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1781)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373)
        at java.util.HashMap.readObject(HashMap.java:1396)
        at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)
        at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1714)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373)
        at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:291)
        at org.apache.flink.util.SerializedValue.deserializeValue(SerializedValue.java:58)
        at org.apache.flink.runtime.checkpoint.SubtaskState.discard(SubtaskState.java:85)
        at org.apache.flink.runtime.checkpoint.TaskState.discard(TaskState.java:147)
        at org.apache.flink.runtime.checkpoint.CompletedCheckpoint.discard(CompletedCheckpoint.java:102)
        at org.apache.flink.runtime.checkpoint.ZooKeeperCompletedCheckpointStore$1.processResult(ZooKeeperCompletedCheckpointStore.java:306)
        ... 4 more
{code}

Looks very similar to https://issues.apache.org/jira/browse/FLINK-5468



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