You only need to update the flink jars, the job requires no update. I think you also cannot start from this checkpoint/savepoint after the upgrade because it seems to be corrupted from the bug. You need to us an older point to restart.
Best, Stefan > Am 25.09.2018 um 16:53 schrieb Alexander Smirnov > <alexander.smirn...@gmail.com>: > > Thanks Stefan. > > is it only Flink runtime should be updated, or the job should be recompiled > too? > Is there a workaround to start the job without upgrading Flink? > > Alex > > On Tue, Sep 25, 2018 at 5:48 PM Stefan Richter <s.rich...@data-artisans.com > <mailto:s.rich...@data-artisans.com>> wrote: > Hi, > > this problem looks like https://issues.apache.org/jira/browse/FLINK-8836 > <https://issues.apache.org/jira/browse/FLINK-8836> which would also match to > your Flink version. I suggest to update to 1.4.3 or higher to avoid the issue > in the future. > > Best, > Stefan > > >> Am 25.09.2018 um 16:37 schrieb Alexander Smirnov >> <alexander.smirn...@gmail.com <mailto:alexander.smirn...@gmail.com>>: >> >> I'm getting an exception on job starting from a savepoint. Why that could >> happen? >> >> Flink 1.4.2 >> >> >> java.lang.IllegalStateException: Could not initialize operator state backend. >> at >> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initOperatorState(AbstractStreamOperator.java:301) >> at >> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:248) >> 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:748) >> Caused by: java.lang.ArrayIndexOutOfBoundsException: -2 >> at java.util.ArrayList.elementData(ArrayList.java:418) >> at java.util.ArrayList.get(ArrayList.java:431) >> at >> com.esotericsoftware.kryo.util.MapReferenceResolver.getReadObject(MapReferenceResolver.java:42) >> at com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:805) >> at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:759) >> at >> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:249) >> at >> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.deserialize(TupleSerializer.java:136) >> at >> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.deserialize(TupleSerializer.java:30) >> at >> org.apache.flink.runtime.state.DefaultOperatorStateBackend.deserializeStateValues(DefaultOperatorStateBackend.java:584) >> at >> org.apache.flink.runtime.state.DefaultOperatorStateBackend.restore(DefaultOperatorStateBackend.java:399) >> at >> org.apache.flink.streaming.runtime.tasks.StreamTask.createOperatorStateBackend(StreamTask.java:733) >> at >> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initOperatorState(AbstractStreamOperator.java:299) >> ... 6 more >
