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https://issues.apache.org/jira/browse/MAPREDUCE-5876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ray Chiang updated MAPREDUCE-5876:
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Labels: (was: BB2015-05-TBR)
> SequenceFileRecordReader NPE if close() is called before initialize()
> ---------------------------------------------------------------------
>
> Key: MAPREDUCE-5876
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5876
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Affects Versions: 2.3.0, 2.4.0
> Reporter: Reinis Vicups
> Assignee: Tsuyoshi Ozawa
> Attachments: MAPREDUCE-5876.1.patch
>
>
> org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader extends
> org.apache.hadoop.mapreduce.RecordReader which in turn implements
> java.io.Closeable.
> According to java spec the java.io.Closeable#close() has to be idempotent
> (http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html) which is
> not.
> An NPE is being thrown if close() method is invoked without previously
> calling initialize() method. This happens because SequenceFile.Reader in is
> null.
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