ava.lang.OutOfMemoryError: Java heap space
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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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