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Posted to dev@pig.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2011/04/14 03:50:05 UTC
[jira] [Resolved] (PIG-1993) PigStorageSchema throw NPE with
ColumnPruning
[ https://issues.apache.org/jira/browse/PIG-1993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Dai resolved PIG-1993.
-----------------------------
Resolution: Fixed
Hadoop Flags: [Reviewed]
Patch committed to both trunk and 0.8 branch.
> PigStorageSchema throw NPE with ColumnPruning
> ---------------------------------------------
>
> Key: PIG-1993
> URL: https://issues.apache.org/jira/browse/PIG-1993
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.8.0, 0.9.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.9.0, 0.8.0
>
> Attachments: PIG-1993-0.patch, PIG-1993-1.patch
>
>
> The following script fail:
> {code}
> a = load '1.txt' as (a0:int, a1:int, a2:int);
> store a into 'temp' using org.apache.pig.piggybank.storage.PigStorageSchema();
> exec
> a = LOAD 'temp' using org.apache.pig.piggybank.storage.PigStorageSchema();
> b = FOREACH a GENERATE a1;
> dump b;
> {code}
> Error message:
> java.lang.ArrayIndexOutOfBoundsException: 2
> at org.apache.pig.piggybank.storage.PigStorageSchema.getNext(PigStorageSchema.java:94)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:187)
> at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:423)
> at org.apache.hadoop.mapreduce.MapContext.nextKeyValue(MapContext.java:67)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
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