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From "Sachin Sabbarwal (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PIG-4635) NPE while running pig script in ten mode( pig 0.15 with tez 0.7)
Date Tue, 21 Jul 2015 07:23:04 GMT
Sachin Sabbarwal created PIG-4635:
-------------------------------------

             Summary: NPE while running pig script in ten mode( pig 0.15 with tez 0.7)
                 Key: PIG-4635
                 URL: https://issues.apache.org/jira/browse/PIG-4635
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.15.0
         Environment: Pig: 0.15
Tez: 0.7
            Reporter: Sachin Sabbarwal


I was trying to run (attached) pig script on pig 0.15 in tez mode(with tez 0.7).
I got following NullPointerException. I tried to send a mail to tez user mailing list and
was asked to file a jira for this.
Here is the NPE:

 5 org.apache.pig.impl.plan.VisitorException: ERROR 0: java.lang.NullPointerException
  6   at org.apache.pig.backend.hadoop.executionengine.tez.plan.optimizer.ParallelismSetter.visitTezOp(ParallelismSetter.java:201)
  7   at org.apache.pig.backend.hadoop.executionengine.tez.plan.TezOperator.visit(TezOperator.java:246)
  8   at org.apache.pig.backend.hadoop.executionengine.tez.plan.TezOperator.visit(TezOperator.java:53)
  9   at org.apache.pig.impl.plan.DependencyOrderWalker.walk(DependencyOrderWalker.java:87)
 10   at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:46)
 11   at org.apache.pig.backend.hadoop.executionengine.tez.TezLauncher.processLoadAndParallelism(TezLauncher.java:449)
 12   at org.apache.pig.backend.hadoop.executionengine.tez.TezLauncher.launchPig(TezLauncher.java:163)
 13   at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:304)
 14   at org.apache.pig.PigServer.launchPlan(PigServer.java:1390)
 15   at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1375)
 16   at org.apache.pig.PigServer.execute(PigServer.java:1364)
 17   at org.apache.pig.PigServer.executeBatch(PigServer.java:415)
 18   at org.apache.pig.PigServer.executeBatch(PigServer.java:398)
 19   at org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:171)
 20   at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:234)
 21   at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:205)
 22   at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:81)
 23   at org.apache.pig.Main.run(Main.java:502)
 24   at org.apache.pig.Main.main(Main.java:177)
 25   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 26   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
 27   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 28   at java.lang.reflect.Method.invoke(Method.java:606)
 29   at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
 30 Caused by: java.lang.NullPointerException
 31   at org.apache.pig.backend.hadoop.executionengine.tez.plan.optimizer.TezOperDependencyParallelismEstimator.estimateParallelism(TezOperDependencyParallelismEstimator.java:114)
 32   at org.apache.pig.backend.hadoop.executionengine.tez.plan.optimizer.ParallelismSetter.visitTezOp(ParallelismSetter.java:138)
 33   ... 23 more



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