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From "Aljoscha Krettek (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7760) Restore failing from external checkpointing metadata.
Date Thu, 12 Oct 2017 15:37:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16202112#comment-16202112
] 

Aljoscha Krettek commented on FLINK-7760:
-----------------------------------------

Are you using exactly the same jar when trying to recover the job?

> Restore failing from external checkpointing metadata.
> -----------------------------------------------------
>
>                 Key: FLINK-7760
>                 URL: https://issues.apache.org/jira/browse/FLINK-7760
>             Project: Flink
>          Issue Type: Bug
>          Components: CEP, State Backends, Checkpointing
>    Affects Versions: 1.3.2
>         Environment: Yarn, Flink 1.3.2, HDFS,  FsStateBackend
>            Reporter: Shashank Agarwal
>            Priority: Blocker
>             Fix For: 1.4.0
>
>
> My job failed due to failure of cassandra. I have enabled ExternalizedCheckpoints. But
when job tried to restore from that checkpoint it's failing continuously with following error.
> {code:java}
> 2017-10-04 09:39:20,611 INFO  org.apache.flink.runtime.taskmanager.Task             
       - KeyedCEPPatternOperator -> Map (1/2) (8ff7913f820ead571c8b54ccc6b16045) switched
from RUNNING to FAILED.
> java.lang.IllegalStateException: Could not initialize keyed state backend.
> 	at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:321)
> 	at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:217)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.initializeOperators(StreamTask.java:676)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:663)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:252)
> 	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.StreamCorruptedException: invalid type code: 00
> 	at java.io.ObjectInputStream$BlockDataInputStream.readBlockHeader(ObjectInputStream.java:2519)
> 	at java.io.ObjectInputStream$BlockDataInputStream.refill(ObjectInputStream.java:2553)
> 	at java.io.ObjectInputStream$BlockDataInputStream.skipBlockData(ObjectInputStream.java:2455)
> 	at java.io.ObjectInputStream.skipCustomData(ObjectInputStream.java:1951)
> 	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1621)
> 	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518)
> 	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1623)
> 	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518)
> 	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1774)
> 	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
> 	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
> 	at org.apache.flink.cep.nfa.NFA$NFASerializer.deserializeCondition(NFA.java:1211)
> 	at org.apache.flink.cep.nfa.NFA$NFASerializer.deserializeStates(NFA.java:1169)
> 	at org.apache.flink.cep.nfa.NFA$NFASerializer.deserialize(NFA.java:957)
> 	at org.apache.flink.cep.nfa.NFA$NFASerializer.deserialize(NFA.java:852)
> 	at org.apache.flink.runtime.state.heap.StateTableByKeyGroupReaders$StateTableByKeyGroupReaderV2V3.readMappingsInKeyGroup(StateTableByKeyGroupReaders.java:132)
> 	at org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restorePartitionedState(HeapKeyedStateBackend.java:518)
> 	at org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restore(HeapKeyedStateBackend.java:397)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.createKeyedStateBackend(StreamTask.java:772)
> 	at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:311)
> 	... 6 more
> {code}
> I have tried to start new job also after failure with parameter {code:java} -s [checkpoint
meta data path]{code}



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