[jira] [Resolved] (PIG-3132) NPE when illustrating a relation with HCatLoader

["Daniel Dai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-3132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Dai resolved PIG-3132.
-----------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 0.12)
                   0.11.1
     Hadoop Flags: Reviewed

Patch committed to 0.11 branch and trunk.
                
>  NPE when illustrating a relation with HCatLoader
> -------------------------------------------------
>
>                 Key: PIG-3132
>                 URL: https://issues.apache.org/jira/browse/PIG-3132
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.11.1
>
>         Attachments: PIG-3132-1.patch
>
>
> Get NPE exception when illustrate a relation with HCatLoader:
> {code}
> A = LOAD 'studenttab10k' USING org.apache.hcatalog.pig.HCatLoader();
> illustrate A;
> {code}
> Exception:
> {code}
> java.lang.NullPointerException
>         at org.apache.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:274)
>         at org.apache.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:238)
>         at org.apache.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:61)
>         at org.apache.pig.impl.io.ReadToEndLoader.getNextHelper(ReadToEndLoader.java:210)
>         at org.apache.pig.impl.io.ReadToEndLoader.getNext(ReadToEndLoader.java:190)
>         at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLoad.getNext(POLoad.java:129)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.runPipeline(PigGenericMapBase.java:267)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:262)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:64)
>         at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
>         at org.apache.pig.pen.LocalMapReduceSimulator.launchPig(LocalMapReduceSimulator.java:194)
>         at org.apache.pig.pen.ExampleGenerator.getData(ExampleGenerator.java:257)
>         at org.apache.pig.pen.ExampleGenerator.readBaseData(ExampleGenerator.java:222)
>         at org.apache.pig.pen.ExampleGenerator.getExamples(ExampleGenerator.java:154)
>         at org.apache.pig.PigServer.getExamples(PigServer.java:1245)
>         at org.apache.pig.tools.grunt.GruntParser.processIllustrate(GruntParser.java:698)
>         at org.apache.pig.tools.pigscript.parser.PigScriptParser.Illustrate(PigScriptParser.java:591)
>         at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:306)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:188)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:164)
>         at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:67)
> {code}
> HCatalog side is tracked with HCATALOG-163.

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