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Posted to issues@flink.apache.org by "Johannes (JIRA)" <ji...@apache.org> on 2015/02/12 11:42:11 UTC
[jira] [Updated] (FLINK-1531) Custom Kryo Serializer fails in
itertation scenario
[ https://issues.apache.org/jira/browse/FLINK-1531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Johannes updated FLINK-1531:
----------------------------
Attachment: TestKryoIterationSerializer.java
JUnit test to reproduce
> 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
> Attachments: TestKryoIterationSerializer.java
>
>
> 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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