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From "Shashank Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6954) Flink 1.3 checkpointing failing with KeyedCEPPatternOperator
Date Tue, 20 Jun 2017 10:20:00 GMT
Shashank Agarwal created FLINK-6954:
---------------------------------------

             Summary: Flink 1.3 checkpointing failing with KeyedCEPPatternOperator
                 Key: FLINK-6954
                 URL: https://issues.apache.org/jira/browse/FLINK-6954
             Project: Flink
          Issue Type: Bug
          Components: CEP, DataStream API, State Backends, Checkpointing
    Affects Versions: 1.3.0
         Environment: yarn, flink 1.3, HDFS
            Reporter: Shashank Agarwal


After upgrading to Flink 1.3 Checkpointing is not working, it's failing again and again. Check
operator state. I have checked with both Rocks DB state backend and FS state backend. Check
stack trace. 
{code}
java.lang.Exception: Could not perform checkpoint 1 for operator KeyedCEPPatternOperator ->
Map (6/6).
	at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointOnBarrier(StreamTask.java:550)
	at org.apache.flink.streaming.runtime.io.BarrierBuffer.notifyCheckpoint(BarrierBuffer.java:378)
	at org.apache.flink.streaming.runtime.io.BarrierBuffer.processBarrier(BarrierBuffer.java:281)
	at org.apache.flink.streaming.runtime.io.BarrierBuffer.getNextNonBlocked(BarrierBuffer.java:183)
	at org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:213)
	at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:69)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:262)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.Exception: Could not complete snapshot 1 for operator KeyedCEPPatternOperator
-> Map (6/6).
	at org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:406)
	at org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.checkpointStreamOperator(StreamTask.java:1157)
	at org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.executeCheckpointing(StreamTask.java:1089)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.checkpointState(StreamTask.java:653)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:589)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointOnBarrier(StreamTask.java:542)
	... 8 more
Caused by: java.lang.UnsupportedOperationException
	at org.apache.flink.api.scala.typeutils.TraversableSerializer.snapshotConfiguration(TraversableSerializer.scala:155)
	at org.apache.flink.api.common.typeutils.CompositeTypeSerializerConfigSnapshot.<init>(CompositeTypeSerializerConfigSnapshot.java:53)
	at org.apache.flink.api.scala.typeutils.OptionSerializer$OptionSerializerConfigSnapshot.<init>(OptionSerializer.scala:139)
	at org.apache.flink.api.scala.typeutils.OptionSerializer.snapshotConfiguration(OptionSerializer.scala:104)
	at org.apache.flink.api.scala.typeutils.OptionSerializer.snapshotConfiguration(OptionSerializer.scala:28)
	at org.apache.flink.api.common.typeutils.CompositeTypeSerializerConfigSnapshot.<init>(CompositeTypeSerializerConfigSnapshot.java:53)
	at org.apache.flink.api.java.typeutils.runtime.TupleSerializerConfigSnapshot.<init>(TupleSerializerConfigSnapshot.java:45)
	at org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.snapshotConfiguration(TupleSerializerBase.java:132)
	at org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.snapshotConfiguration(TupleSerializerBase.java:39)
	at org.apache.flink.api.common.typeutils.CompositeTypeSerializerConfigSnapshot.<init>(CompositeTypeSerializerConfigSnapshot.java:53)
	at org.apache.flink.api.common.typeutils.base.CollectionSerializerConfigSnapshot.<init>(CollectionSerializerConfigSnapshot.java:39)
	at org.apache.flink.api.common.typeutils.base.ListSerializer.snapshotConfiguration(ListSerializer.java:183)
	at org.apache.flink.api.common.typeutils.base.ListSerializer.snapshotConfiguration(ListSerializer.java:47)
	at org.apache.flink.api.common.typeutils.CompositeTypeSerializerConfigSnapshot.<init>(CompositeTypeSerializerConfigSnapshot.java:53)
	at org.apache.flink.api.common.typeutils.base.MapSerializerConfigSnapshot.<init>(MapSerializerConfigSnapshot.java:38)
	at org.apache.flink.runtime.state.HashMapSerializer.snapshotConfiguration(HashMapSerializer.java:210)
	at org.apache.flink.runtime.state.RegisteredKeyedBackendStateMetaInfo.snapshot(RegisteredKeyedBackendStateMetaInfo.java:71)
	at org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.snapshot(HeapKeyedStateBackend.java:267)
	at org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:396)
	... 13 more

{code}



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