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Posted to dev@pig.apache.org by "Cheolsoo Park (JIRA)" <ji...@apache.org> on 2014/02/18 13:08:20 UTC

[jira] [Created] (PIG-3768) TezCompiler.visitUnion() doesn't add compiled TezOp to phyToTezOpMap

Cheolsoo Park created PIG-3768:
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             Summary: TezCompiler.visitUnion() doesn't add compiled TezOp to phyToTezOpMap 
                 Key: PIG-3768
                 URL: https://issues.apache.org/jira/browse/PIG-3768
             Project: Pig
          Issue Type: Sub-task
          Components: tez
    Affects Versions: tez-branch
            Reporter: Cheolsoo Park
            Assignee: Cheolsoo Park
             Fix For: tez-branch


When a union alias is referred by another operator such as FRJoin, it causes NPE. Here is an example-
{code}
Caused by: java.lang.NullPointerException
    at org.apache.pig.backend.hadoop.executionengine.tez.TezCompiler.visitFRJoin(TezCompiler.java:651)
    ... 26 more
{code}



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