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https://issues.apache.org/jira/browse/PIG-894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763786#action_12763786
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Hadoop QA commented on PIG-894:
-------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12421681/PIG-894-1.patch
against trunk revision 823257.
+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-h8.grid.sp2.yahoo.net/16/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/16/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/16/console
This message is automatically generated.
> order-by fails when input is empty
> ----------------------------------
>
> Key: PIG-894
> URL: https://issues.apache.org/jira/browse/PIG-894
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.4.0
> Reporter: Thejas M Nair
> Assignee: Daniel Dai
> Fix For: 0.6.0
>
> Attachments: PIG-894-1.patch, PIG-894-2.patch
>
>
> grunt> l = load 'students.txt' ;
> grunt> f = filter l by 1 == 2;
> grunt> o = order f by $0 ;
> grunt> dump o;
> This results in 3 MR jobs . The 2nd (sampling) MR creates empty sample file,
> and 3rd MR (order-by) fails with following error in Map job -
> java.lang.RuntimeException: java.lang.RuntimeException: Empty samples file
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.configure(WeightedRangePartitioner.java:104)
> at
> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:58)
> at
> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82)
> at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.(MapTask.java:348)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:193)
> at
> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2207)
> Caused by: java.lang.RuntimeException: Empty samples file
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.configure(WeightedRangePartitioner.java:89)
> ... 5 more
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