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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (PIG-766) ava.lang.OutOfMemoryError: Java heap space
Date Sat, 01 May 2010 00:37:04 GMT

     [ https://issues.apache.org/jira/browse/PIG-766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Olga Natkovich resolved PIG-766.
--------------------------------

    Resolution: Fixed

Many memory changes went in. Please, reopen if this is still a problem.

> ava.lang.OutOfMemoryError: Java heap space
> ------------------------------------------
>
>                 Key: PIG-766
>                 URL: https://issues.apache.org/jira/browse/PIG-766
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.2.0
>         Environment: Hadoop-0.18.3 (cloudera RPMs).
> mapred.child.java.opts=-Xmx1024m
>            Reporter: Vadim Zaliva
>
> My pig script always fails with the following error:
> Java.lang.OutOfMemoryError: Java heap space
>        at java.util.Arrays.copyOf(Arrays.java:2786)
>        at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94)
>        at java.io.DataOutputStream.write(DataOutputStream.java:90)
>        at java.io.FilterOutputStream.write(FilterOutputStream.java:80)
>        at org.apache.pig.data.DataReaderWriter.writeDatum(DataReaderWriter.java:213)
>        at org.apache.pig.data.DefaultTuple.write(DefaultTuple.java:291)
>        at org.apache.pig.data.DefaultAbstractBag.write(DefaultAbstractBag.java:233)
>        at org.apache.pig.data.DataReaderWriter.writeDatum(DataReaderWriter.java:162)
>        at org.apache.pig.data.DefaultTuple.write(DefaultTuple.java:291)
>        at org.apache.pig.impl.io.PigNullableWritable.write(PigNullableWritable.java:83)
>        at org.apache.hadoop.io.serializer.WritableSerialization$WritableSerializer.serialize(WritableSerialization.java:90)
>        at org.apache.hadoop.io.serializer.WritableSerialization$WritableSerializer.serialize(WritableSerialization.java:77)
>        at org.apache.hadoop.mapred.IFile$Writer.append(IFile.java:156)
>        at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.spillSingleRecord(MapTask.java:857)
>        at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.collect(MapTask.java:467)
>        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.collect(PigMapReduce.java:101)
>        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:219)
>        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:208)
>        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:86)
>        at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
>        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227)
>        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198)

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