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From "Vadim Zaliva (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-766) ava.lang.OutOfMemoryError: Java heap space
Date Tue, 14 Apr 2009 23:34:14 GMT
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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