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From "Johannes (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-1531) Custom Kryo Serializer fails in itertation scenario
Date Thu, 12 Feb 2015 10:37:11 GMT
Johannes created FLINK-1531:
-------------------------------

             Summary: Custom Kryo Serializer fails in itertation scenario
                 Key: FLINK-1531
                 URL: https://issues.apache.org/jira/browse/FLINK-1531
             Project: Flink
          Issue Type: Bug
          Components: Iterations
    Affects Versions: 0.9
            Reporter: Johannes
            Assignee: Johannes


When using iterations with a custom serializer for a domain object, the iteration will fail.

{code:java}
org.apache.flink.runtime.client.JobExecutionException: com.esotericsoftware.kryo.KryoException:
Buffer underflow
	at org.apache.flink.api.java.typeutils.runtime.NoFetchingInput.require(NoFetchingInput.java:76)
	at com.esotericsoftware.kryo.io.Input.readVarInt(Input.java:355)
	at com.esotericsoftware.kryo.util.DefaultClassResolver.readClass(DefaultClassResolver.java:109)
	at com.esotericsoftware.kryo.Kryo.readClass(Kryo.java:641)
	at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:752)
	at org.apache.flink.api.java.typeutils.runtime.KryoSerializer.deserialize(KryoSerializer.java:198)
	at org.apache.flink.api.java.typeutils.runtime.KryoSerializer.deserialize(KryoSerializer.java:203)
	at org.apache.flink.runtime.io.disk.InputViewIterator.next(InputViewIterator.java:43)
	at org.apache.flink.runtime.iterative.task.IterationHeadPactTask.streamOutFinalOutputBulk(IterationHeadPactTask.java:404)
	at org.apache.flink.runtime.iterative.task.IterationHeadPactTask.run(IterationHeadPactTask.java:377)
	at org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:360)
	at org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:204)
	at java.lang.Thread.run(Thread.java:745)
{code}



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