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Posted to dev@pig.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2011/05/19 23:28:47 UTC
[jira] [Resolved] (PIG-2078) POProject.getNext(DataBag) does not
handle null
[ https://issues.apache.org/jira/browse/PIG-2078?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Dai resolved PIG-2078.
-----------------------------
Resolution: Fixed
Hadoop Flags: [Reviewed]
Committed to both trunk and 0.9 branch.
> POProject.getNext(DataBag) does not handle null
> -----------------------------------------------
>
> Key: PIG-2078
> URL: https://issues.apache.org/jira/browse/PIG-2078
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.9.0
>
> Attachments: PIG-2078-1.patch
>
>
> The following script fail with "-t MergeForEach"
> {code}
> a = load '1.txt' as (a0:bag{}, a1:int);
> b = foreach a generate a0;
> dump b;
> {code}
> 1.txt:
> {(1)} 2
> 3
> Error stack:
> java.lang.NullPointerException
> at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POProject.consumeInputBag(POProject.java:310)
> at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POProject.getNext(POProject.java:251)
> at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:316)
> 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:1)
> 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.LocalJobRunner$Job.run(LocalJobRunner.java:177)
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