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https://issues.apache.org/jira/browse/FLINK-10714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Richter updated FLINK-10714:
-----------------------------------
Priority: Blocker (was: Major)
> java.lang.IndexOutOfBoundsException when creating a heap backend snapshot
> -------------------------------------------------------------------------
>
> Key: FLINK-10714
> URL: https://issues.apache.org/jira/browse/FLINK-10714
> Project: Flink
> Issue Type: Bug
> Components: Type Serialization System
> Affects Versions: 1.5.5, 1.6.2
> Environment: Flink 1.6.2, FsStateBackend
> Reporter: Michał Ciesielczyk
> Priority: Blocker
> Fix For: 1.7.0
>
>
> I'm sometimes getting error while creating a checkpointing using a filesystem
> state backend. This ONLY happens when asynchronous snapshots are enabled
> using the FileSystem State Backend. When RocksDB is enabled everything works
> fine.
>
> I'm using a simple KeyedStream,mapWithState function with a ValueState
> holding a hashmap (scala.collection.immutable.Map). It's hard to reproduce
> the error using a simple code snippet, as the error occurs randomly.
>
> This issue may be similar to FLINK-7484 and FLINK-8836 (both already fixed),
> but I'm still experiencing such behavior.
>
> Stacktrace:
>
> {code:java}
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
> at java.util.ArrayList.rangeCheck(ArrayList.java:657) ~[?:1.8.0_172]
> at java.util.ArrayList.set(ArrayList.java:448) ~[?:1.8.0_172]
> at
> com.esotericsoftware.kryo.util.MapReferenceResolver.setReadObject(MapReferenceResolver.java:56)
> ~[kryo-shaded-4.0.0.jar:?]
> at com.esotericsoftware.kryo.Kryo.reference(Kryo.java:875)
> ~[kryo-shaded-4.0.0.jar:?]
> at com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:710)
> ~[kryo-shaded-4.0.0.jar:?]
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.copy(KryoSerializer.java:231)
> ~[flink-core-1.6.1.jar:1.6.1]
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:101)
> ~[flink-scala_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:32)
> ~[flink-scala_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.api.scala.typeutils.TraversableSerializer$$anonfun$copy$1.apply(TraversableSerializer.scala:69)
> ~[flink-scala_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.api.scala.typeutils.TraversableSerializer$$anonfun$copy$1.apply(TraversableSerializer.scala:69)
> ~[flink-scala_2.11-1.6.1.jar:1.6.1]
> at scala.collection.immutable.HashMap$HashMap1.foreach(HashMap.scala:221)
> ~[scala-library-2.11.12.jar:?]
> at
> scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:428)
> ~[scala-library-2.11.12.jar:?]
> at
> org.apache.flink.api.scala.typeutils.TraversableSerializer.copy(TraversableSerializer.scala:69)
> ~[flink-scala_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.api.scala.typeutils.TraversableSerializer.copy(TraversableSerializer.scala:33)
> ~[flink-scala_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:101)
> ~[flink-scala_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.api.scala.typeutils.CaseClassSerializer.copy(CaseClassSerializer.scala:32)
> ~[flink-scala_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.runtime.state.heap.CopyOnWriteStateTable.get(CopyOnWriteStateTable.java:287)
> ~[flink-runtime_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.runtime.state.heap.CopyOnWriteStateTable.get(CopyOnWriteStateTable.java:311)
> ~[flink-runtime_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.runtime.state.heap.HeapValueState.value(HeapValueState.java:73)
> ~[flink-runtime_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.streaming.api.operators.StreamGroupedReduce.processElement(StreamGroupedReduce.java:59)
> ~[flink-streaming-java_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:202)
> ~[flink-streaming-java_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:105)
> ~[flink-streaming-java_2.11-1.6.1.jar:1.6.1]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:300)
> ~[flink-streaming-java_2.11-1.6.1.jar:1.6.1]
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711)
> [flink-runtime_2.11-1.6.1.jar:1.6.1]
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_172]
> {code}
>
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