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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-5031) Maps hitting IndexOutOfBoundsException for higher values of mapreduce.task.io.sort.mb
Date Mon, 04 Mar 2013 23:49:12 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla resolved MAPREDUCE-5031.
-----------------------------------------

    Resolution: Duplicate

Closing as a duplicate of MAPREDUCE-5028 on [~chris.douglas]'s suggestion.
                
> Maps hitting IndexOutOfBoundsException for higher values of mapreduce.task.io.sort.mb
> -------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5031
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5031
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.0.3-alpha, 0.23.5
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>
> While trying to reproduce MAPREDUCE-5028 on trunk, ran into what seems to be a different
issue. To reproduce:
> Psuedo-dist mode: mapreduce.{map,reduce}.memory.mb=2048, mapreduce.{map,reduce}.java.opts=-Xmx2048m,
mapreduce.task.io.sort.mb=1280
> The map tasks fail with the following error: 
> {noformat}
> Error: java.lang.IndexOutOfBoundsException at java.nio.Buffer.checkIndex(Buffer.java:512)
at
>  java.nio.ByteBufferAsIntBufferL.put(ByteBufferAsIntBufferL.java:113) at 
> org.apache.hadoop.mapred.MapTask$MapOutputBuffer.collect(MapTask.java:1141) at 
> org.apache.hadoop.mapred.MapTask$NewOutputCollector.write(MapTask.java:686) at 
> org.apache.hadoop.mapreduce.task.TaskInputOutputContextImpl.write(TaskInputOutputContextImpl.java:89)
at 
> org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.write(WrappedMapper.java:112)
at 
> org.apache.hadoop.examples.WordCount$TokenizerMapper.map(WordCount.java:47) at 
> org.apache.hadoop.examples.WordCount$TokenizerMapper.map(WordCount.java:36) at 
> org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:757)
at 
> org.apache.hadoop.mapred.MapTask.run(MapTask.java:339) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:158)
at 
> java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396)
at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1488)
at 
> org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:153)
> {noformat}

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