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https://issues.apache.org/jira/browse/PIG-2265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13098173#comment-13098173
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Daniel Dai commented on PIG-2265:
---------------------------------
Are you using ant 1.8? We find some test failures with ant 1.8 and fixed in
PIG-2172.
> 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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