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https://issues.apache.org/jira/browse/PIG-746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771425#action_12771425
]
Hadoop QA commented on PIG-746:
-------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12423482/PIG-746.patch
against trunk revision 830757.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/127/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/127/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/127/console
This message is automatically generated.
> Works in --exectype local, fails on grid - ERROR 2113: SingleTupleBag should
> never be serialized
> ------------------------------------------------------------------------------------------------
>
> Key: PIG-746
> URL: https://issues.apache.org/jira/browse/PIG-746
> Project: Pig
> Issue Type: Bug
> Reporter: David Ciemiewicz
> Assignee: Richard Ding
> Attachments: PIG-746.patch
>
>
> The script below works on Pig 2.0 local mode but fails when I run the same
> program on the grid.
> I was attempting to create a workaround for PIG-710.
> Here's the error:
> {code}
> Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 2113:
> SingleTupleBag should never be serialized
> or serialized.
> at org.apache.pig.data.SingleTupleBag.write(SingleTupleBag.java:129)
> at
> org.apache.pig.data.DataReaderWriter.writeDatum(DataReaderWriter.java:147)
> at org.apache.pig.data.DefaultTuple.write(DefaultTuple.java:291)
> at
> org.apache.pig.impl.io.PigNullableWritable.write(PigNullableWritable.java:83)
> at
> org.apache.hadoop.io.serializer.WritableSerialization$WritableSerializer.serialize(WritableSerialization.java:90)
> at
> org.apache.hadoop.io.serializer.WritableSerialization$WritableSerializer.serialize(WritableSerialization.java:77)
> at
> org.apache.hadoop.mapred.MapTask$MapOutputBuffer.collect(MapTask.java:439)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.collect(PigMapReduce.java:101)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:219)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:208)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:86)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227)
> {code}
> Here's the program:
> {code}
> A = load 'filterbug.data' using PigStorage() as ( id, str );
> A = foreach A generate
> id,
> str,
> (
> str matches 'hello' or
> str matches 'hello'
> ? 1 : 0
> ) as matched;
> describe A;
> B = group A by ( id );
> describe B;
> D = foreach B generate
> group,
> SUM(A.matched) as matchedcount,
> A;
> describe D;
> E = filter D by matchedcount > 0;
> describe E;
> F = foreach E generate
> FLATTEN(A);
> describe F;
> dump F;
> {code}
> Here's the data filterbug.data
> {code}
> a hello
> a goodbye
> b goodbye
> c hello
> c hello
> c hello
> e what
> {code}
>
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