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From "Vadim Zaliva (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-761) ERROR 2086 on simple JOIN
Date Thu, 09 Apr 2009 00:54:13 GMT
ERROR 2086 on simple JOIN
-------------------------

                 Key: PIG-761
                 URL: https://issues.apache.org/jira/browse/PIG-761
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.2.0
         Environment: mapreduce mode
            Reporter: Vadim Zaliva


ERROR 2086: Unexpected problem during optimization. Could not find all LocalRearrange operators.org.apache.pig.impl.logicalLayer.FrontendException:
ERROR 1002: Unable to store alias 109

doing pretty straightforward join in one of my pig scripts. I am able to 'dump' both relationship
involved in this join. when I try to join them I am getting this error.

Here is a full log:


ERROR 2086: Unexpected problem during optimization. Could not find all
LocalRearrange operators.
org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1002: Unable
to store alias 109
       at org.apache.pig.PigServer.registerQuery(PigServer.java:296)
       at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:529)
       at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:280)
       at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:99)
       at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:75)
       at org.apache.pig.Main.main(Main.java:319)
Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR
2043: Unexpected error during execution.
       at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:274)
       at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:700)
       at org.apache.pig.PigServer.execute(PigServer.java:691)
       at org.apache.pig.PigServer.registerQuery(PigServer.java:292)
       ... 5 more
Caused by: org.apache.pig.impl.plan.optimizer.OptimizerException:
ERROR 2086: Unexpected problem during optimization. Could not find all
LocalRearrange operators.
       at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans.POPackageAnnotator.handlePackage(POPackageAnnotator.java:116)
       at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans.POPackageAnnotator.visitMROp(POPackageAnnotator.java:88)
       at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper.visit(MapReduceOper.java:194)
       at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper.visit(MapReduceOper.java:43)
       at org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:65)
       at org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:67)
       at org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:67)
       at org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:67)
       at org.apache.pig.impl.plan.DepthFirstWalker.walk(DepthFirstWalker.java:50)
       at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51)
       at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.
MapReduceLauncher.compile(MapReduceLauncher.java:198)
       at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:80)
       at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:261)
       ... 8 more
ERROR 1002: Unable to store alias 398
org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1002: Unable
to store alias 398
       at org.apache.pig.PigServer.registerQuery(PigServer.java:296)
       at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:529)
       at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:280)
       at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:99)
       at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:75)
       at org.apache.pig.Main.main(Main.java:319)
Caused by: java.lang.NullPointerException
       at org.apache.pig.backend.hadoop.executionengine.physicalLayer.LogToPhyTranslationVisitor.visit(LogToPhyTranslationVisitor.java:669)
       at org.apache.pig.impl.logicalLayer.LOCogroup.visit(LOCogroup.java:330)
       at org.apache.pig.impl.logicalLayer.LOCogroup.visit(LOCogroup.java:41)
       at org.apache.pig.impl.plan.DependencyOrderWalker.walk(DependencyOrderWalker.java:68)
       at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51)
       at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.compile(HExecutionEngine.java:246)
       at org.apache.pig.PigServer.compilePp(PigServer.java:771)
       at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:697)
       at org.apache.pig.PigServer.execute(PigServer.java:691)
       at org.apache.pig.PigServer.registerQuery(PigServer.java:292)
       ... 5 more


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