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From "Yan Zhou (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-1645) Using both small split combination and temporary file compression on a query of ORDER BY may cause crash
Date Thu, 23 Sep 2010 01:51:33 GMT
Using both small split combination and temporary file compression on a query of ORDER BY may
cause crash
--------------------------------------------------------------------------------------------------------

                 Key: PIG-1645
                 URL: https://issues.apache.org/jira/browse/PIG-1645
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.8.0
            Reporter: Yan Zhou
            Assignee: Yan Zhou
             Fix For: 0.8.0


The stack looks like the following:

java.lang.NullPointerException at java.util.Arrays.binarySearch(Arrays.java:2043) at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.getPartition(WeightedRangePartitioner.java:72)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.getPartition(WeightedRangePartitioner.java:52)
at 
org.apache.hadoop.mapred.MapTask$NewOutputCollector.write(MapTask.java:565) at
org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80) at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.collect(PigMapReduce.java:116)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:238)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:231)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:53)
at
org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) at
org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:638) at
org.apache.hadoop.mapred.MapTask.run(MapTask.java:314) at org.apache.hadoop.mapred.Child$4.run(Child.java:217)
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:1062) at
org.apache.hadoop.mapred.Child.main(Child.java:211) 

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