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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2015/02/03 13:28:34 UTC
[jira] [Resolved] (FLINK-1437) Bug in PojoSerializer's copy()
method
[ https://issues.apache.org/jira/browse/FLINK-1437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stephan Ewen resolved FLINK-1437.
---------------------------------
Resolution: Fixed
Fix Version/s: 0.9
Fixed via fb7ce0e315e270e10c605dcfa269286bc2add47f
> Bug in PojoSerializer's copy() method
> -------------------------------------
>
> Key: FLINK-1437
> URL: https://issues.apache.org/jira/browse/FLINK-1437
> Project: Flink
> Issue Type: Bug
> Components: Java API
> Reporter: Timo Walther
> Assignee: Timo Walther
> Fix For: 0.9
>
>
> The PojoSerializer's {{copy()}} method does not work properly with {{null}} values. An exception could look like:
> {code}
> Caused by: java.io.IOException: Thread 'SortMerger spilling thread' terminated due to an exception: null
> at org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:792)
> Caused by: java.io.EOFException
> at org.apache.flink.runtime.io.disk.RandomAccessInputView.nextSegment(RandomAccessInputView.java:83)
> at org.apache.flink.runtime.memorymanager.AbstractPagedInputView.advance(AbstractPagedInputView.java:159)
> at org.apache.flink.runtime.memorymanager.AbstractPagedInputView.readByte(AbstractPagedInputView.java:270)
> at org.apache.flink.runtime.memorymanager.AbstractPagedInputView.readUnsignedByte(AbstractPagedInputView.java:277)
> at org.apache.flink.types.StringValue.copyString(StringValue.java:839)
> at org.apache.flink.api.common.typeutils.base.StringSerializer.copy(StringSerializer.java:83)
> at org.apache.flink.api.java.typeutils.runtime.PojoSerializer.copy(PojoSerializer.java:261)
> at org.apache.flink.runtime.operators.sort.NormalizedKeySorter.writeToOutput(NormalizedKeySorter.java:449)
> at org.apache.flink.runtime.operators.sort.UnilateralSortMerger$SpillingThread.go(UnilateralSortMerger.java:1303)
> at org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:788)
> {code}
> I'm working on a fix for that...
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