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Xuefu Zhang commented on PIG-2039: ---------------------------------- Test-patch run: [exec] +1 overall. [exec] [exec] +1 @author. The patch does not contain any @author tags. [exec] [exec] +1 tests included. The patch appears to include 3 new or modified tests. [exec] [exec] +1 javadoc. The javadoc tool did not generate any warning messages. [exec] [exec] +1 javac. The applied patch does not increase the total number of javac compiler warnings. [exec] [exec] +1 findbugs. The patch does not introduce any new Findbugs warnings. [exec] [exec] +1 release audit. The applied patch does not increase the total number of release audit warnings. > 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) -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira