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https://issues.apache.org/jira/browse/PIG-2155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gianmarco De Francisci Morales resolved PIG-2155.
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Resolution: Cannot Reproduce
Fix Version/s: 0.10.1
Assignee: Gianmarco De Francisci Morales
It looks like this was fixed, I can't reproduce the bug.
The spaces in the tuple are correct as pointed out by Prashant.
Thanks for having a look at this, Allan.
> NPE thrown by ABS
> -----------------
>
> Key: PIG-2155
> URL: https://issues.apache.org/jira/browse/PIG-2155
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Shubham Chopra
> Assignee: Gianmarco De Francisci Morales
> Labels: newbie, simple
> Fix For: 0.10.1
>
>
> Input data :
> --file 'a' starts--
> A|1
> B|2
> --file 'a' ends--
> (Note the empty line at the end)
> The following script does not work.
> a = load 'a' using PigStorage('|') as (x:chararray, y:double);
> b = foreach a generate *, ABS(y - 2*y) as test;
> dump b;
> The function ABS throws a NPE instead of giving out a null for the last line
> in the input:
> java.lang.NullPointerException
> at org.apache.pig.builtin.DoubleAbs.exec(DoubleAbs.java:45)
> at org.apache.pig.builtin.DoubleAbs.exec(DoubleAbs.java:28)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:216)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:281)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:324)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:332)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:284)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:261)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:256)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:58)
> 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)
> at org.apache.hadoop.mapred.Child.main(Child.java:170)
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