[jira] [Commented] (PIG-4635) NPE while running pig script in tez mode( pig 0.15 with tez 0.7)

["Rohini Palaniswamy (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-4635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14728102#comment-14728102 ] 

Rohini Palaniswamy commented on PIG-4635:
-----------------------------------------

[~sachinsabbarwal],
   Is it possible for you try your script with code compiled from recent pig trunk? PIG-4315 might fix your issue.

> NPE while running pig script in tez 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
>            Assignee: Rohini Palaniswamy
>             Fix For: 0.16.0, 0.15.1
>
>         Attachments: debug.patch, main.pig, properties, tez-site.xml
>
>
> 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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