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Posted to dev@pig.apache.org by "Xuefu Zhang (JIRA)" <ji...@apache.org> on 2011/05/10 22:22:47 UTC
[jira] [Resolved] (PIG-2039) IndexOutOfBounException for a case
[ https://issues.apache.org/jira/browse/PIG-2039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xuefu Zhang resolved PIG-2039.
------------------------------
Resolution: Fixed
Patch PIG-2039.patch is committed into both trunk and 0.9.0.
> IndexOutOfBounException for a case
> ----------------------------------
>
> Key: PIG-2039
> URL: https://issues.apache.org/jira/browse/PIG-2039
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Xuefu Zhang
> Assignee: Xuefu Zhang
> Fix For: 0.9.0
>
> Attachments: PIG-2039.patch
>
>
> The following query gives an exception:
> a = load '1.txt' as (a0:int, a1:int, a2:int);
> b = group a by a0;
> c = foreach b { c1 = limit a 10; c2 = distinct c1.a1; c3 = distinct c1.a2; generate c2, c3;};
> store c into 'output';
> 2011-05-04 12:36:01,720 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2999: Unexpected internal error. Index: 0, Size: 0
> Stack trace:
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
> at java.util.ArrayList.RangeCheck(ArrayList.java:547)
> at java.util.ArrayList.get(ArrayList.java:322)
> at org.apache.pig.newplan.logical.expression.ProjectExpression.getFieldSchema(ProjectExpression.java:279)
> at org.apache.pig.newplan.logical.relational.LOGenerate.getSchema(LOGenerate.java:88)
> at org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.validate(SchemaAliasVisitor.java:60)
> at org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.visit(SchemaAliasVisitor.java:104)
> at org.apache.pig.newplan.logical.relational.LOGenerate.accept(LOGenerate.java:240)
> at org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
> at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
> at org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.visit(SchemaAliasVisitor.java:99)
> at org.apache.pig.newplan.logical.relational.LOForEach.accept(LOForEach.java:73)
> at org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
> at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
> at org.apache.pig.PigServer$Graph.compile(PigServer.java:1664)
> at org.apache.pig.PigServer$Graph.validateQuery(PigServer.java:1615)
> at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1586)
> at org.apache.pig.PigServer.registerQuery(PigServer.java:580)
> at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:930)
> at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:386)
> at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:176)
> at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:152)
> at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:76)
> at org.apache.pig.Main.run(Main.java:488)
> at org.apache.pig.Main.main(Main.java:109)
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