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Yan Zhou commented on PIG-1645: ------------------------------- The possibility of failure also depends upon the block distribution since the split combination makes use of that info. > 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 > > Attachments: PIG-1645.patch > > > 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) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.