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From "Shengjun Xin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2265) Test case TestSecondarySort failure
Date Wed, 07 Sep 2011 10:17:10 GMT

    [ https://issues.apache.org/jira/browse/PIG-2265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13098830#comment-13098830
] 

Shengjun Xin commented on PIG-2265:
-----------------------------------

If I use ant 1.7 or apply the patch, the test case testNestedSortEndToEnd3 will not run. But
if I let it run, it still fails and generates the same error message as before. Any idea?

> Test case TestSecondarySort failure
> -----------------------------------
>
>                 Key: PIG-2265
>                 URL: https://issues.apache.org/jira/browse/PIG-2265
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.8.0
>            Reporter: Shengjun Xin
>
> Error message:
> Testcase: testNestedSortEndToEnd3 took 53.076 sec
> 	Caused an ERROR
> Unable to open iterator for alias E. Backend error : org.apache.pig.data.DataByteArray
cannot be cast to org.apache.pig.data.Tuple
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator
for alias E. Backend error : org.apache.pig.data.DataByteArray cannot be cast to org.apache.pig.data.Tuple
> 	at org.apache.pig.PigServer.openIterator(PigServer.java:742)
> 	at org.apache.pig.test.TestSecondarySort.testNestedSortEndToEnd3(TestSecondarySort.java:550)
> Caused by: java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be
cast to org.apache.pig.data.Tuple
> 	at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POProject.getNext(POProject.java:392)
> 	at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:357)
> 	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:236)
> 	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:621)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)

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