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https://issues.apache.org/jira/browse/FLINK-8319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek closed FLINK-8319.
-----------------------------------
Resolution: Duplicate
Fix Version/s: (was: 1.4.1)
(was: 1.5.0)
> Savepoint restore failing in CEP
> --------------------------------
>
> Key: FLINK-8319
> URL: https://issues.apache.org/jira/browse/FLINK-8319
> Project: Flink
> Issue Type: Bug
> Components: CEP, State Backends, Checkpointing, YARN
> Affects Versions: 1.4.0
> Environment: Yarn Cluster
> Reporter: Shashank Agarwal
> Priority: Major
>
> I have reported some bugs before also in 1.3.2 but this time error is
> different while restoring savepoint or checkpoint.
> https://issues.apache.org/jira/browse/FLINK-7760
> {code}
> java.lang.IllegalStateException: Could not initialize keyed state backend.
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:293)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:225)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.initializeOperators(StreamTask.java:692)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:679)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:253)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:718)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.InvalidClassException:
> org.apache.flink.cep.scala.pattern.Pattern$$anon$3; invalid descriptor for
> field
> at java.io.ObjectStreamClass.readNonProxy(ObjectStreamClass.java:723)
> at
> java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:833)
> at
> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1609)
> at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1521)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1781)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373)
> at
> org.apache.flink.cep.nfa.NFA$NFASerializer.deserializeCondition(NFA.java:1171)
> at
> org.apache.flink.cep.nfa.NFA$NFASerializer.deserializeStates(NFA.java:1129)
> at org.apache.flink.cep.nfa.NFA$NFASerializer.deserialize(NFA.java:917)
> at org.apache.flink.cep.nfa.NFA$NFASerializer.deserialize(NFA.java:820)
> at
> org.apache.flink.runtime.state.heap.StateTableByKeyGroupReaders$StateTableByKeyGroupReaderV2V3.readMappingsInKeyGroup(StateTableByKeyGroupReaders.java:133)
> at
> org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restorePartitionedState(HeapKeyedStateBackend.java:575)
> at
> org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restore(HeapKeyedStateBackend.java:446)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.createKeyedStateBackend(StreamTask.java:773)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:283)
> ... 6 more
> Caused by: java.lang.IllegalArgumentException: illegal signature
> at java.io.ObjectStreamField.<init>(ObjectStreamField.java:122)
> at java.io.ObjectStreamClass.readNonProxy(ObjectStreamClass.java:721)
> ... 21 more
> {code}
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