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Posted to issues@tez.apache.org by "Hitesh Shah (JIRA)" <ji...@apache.org> on 2013/06/06 22:46:21 UTC

[jira] [Commented] (TEZ-185) NPE in MRCombiner when updating progress

    [ https://issues.apache.org/jira/browse/TEZ-185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13677488#comment-13677488 ] 

Hitesh Shah commented on TEZ-185:
---------------------------------

Error: java.lang.NullPointerException
        at org.apache.tez.mapreduce.combine.MRCombiner$CombinerValuesIterator.informReduceProgress(MRCombiner.java:198)
        at org.apache.tez.mapreduce.combine.MRCombiner.runOldCombiner(MRCombiner.java:160)
        at org.apache.tez.mapreduce.combine.MRCombiner.process(MRCombiner.java:118)
        at org.apache.tez.engine.common.sort.impl.ExternalSorter.runCombineProcessor(ExternalSorter.java:196)
        at org.apache.tez.engine.common.sort.impl.dflt.DefaultSorter.spill(DefaultSorter.java:801)
        at org.apache.tez.engine.common.sort.impl.dflt.DefaultSorter.sortAndSpill(DefaultSorter.java:743)
        at org.apache.tez.engine.common.sort.impl.dflt.DefaultSorter.flush(DefaultSorter.java:629)
        at org.apache.tez.engine.lib.output.OnFileSortedOutput.close(OnFileSortedOutput.java:60)
        at org.apache.tez.mapreduce.processor.map.MapProcessor.runOldMapper(MapProcessor.java:176)
        at org.apache.tez.mapreduce.processor.map.MapProcessor.process(MapProcessor.java:135)
        at org.apache.tez.engine.task.RuntimeTask.run(RuntimeTask.java:75)
        at org.apache.tez.mapreduce.task.MRRuntimeTask.run(MRRuntimeTask.java:117)
        at org.apache.hadoop.mapred.YarnTezDagChild.runTezTask(YarnTezDagChild.java:293)
        at org.apache.hadoop.mapred.YarnTezDagChild.access$000(YarnTezDagChild.java:69)
        at org.apache.hadoop.mapred.YarnTezDagChild$2.run(YarnTezDagChild.java:171)
        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:1477)
        at org.apache.hadoop.mapred.YarnTezDagChild.main(YarnTezDagChild.java:168)

                
> NPE in MRCombiner when updating progress
> ----------------------------------------
>
>                 Key: TEZ-185
>                 URL: https://issues.apache.org/jira/browse/TEZ-185
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Hitesh Shah
>            Assignee: Hitesh Shah
>              Labels: TEZ-0.2.0
>


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