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https://issues.apache.org/jira/browse/PIG-1668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Ding updated PIG-1668:
------------------------------
Attachment: PIG-1668.patch
> Order by failed with RuntimeException
> -------------------------------------
>
> Key: PIG-1668
> URL: https://issues.apache.org/jira/browse/PIG-1668
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.7.0, 0.8.0
> Reporter: Richard Ding
> Assignee: Richard Ding
> Fix For: 0.8.0
>
> Attachments: PIG-1668.patch
>
>
> This is data-dependent. We need to fix the underlining algorithm.
> {code}
> Backend error message
> ---------------------
> java.lang.RuntimeException:
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.MalFormedProbVecException:
> ERROR 2122: Sum of probabilities should be one
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.setConf(WeightedRangePartitioner.java:139)
> at
> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62)
> at
> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117)
> at
> org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:578)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:658)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:327)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:219)
> 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:1021)
> at org.apache.hadoop.mapred.Child.main(Child.java:213)
> Caused by:
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.MalFormedProbVecException:
> ERROR 2122: Sum of probabilities should be one
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.DiscreteProbabilitySampleGenerator.<init>(DiscreteProbabilitySampleGenerator.java:56)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.setConf(WeightedRangePartitioner.java:128)
> ... 10 more
> {code}
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