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From "Rohini Palaniswamy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PIG-4315) MergeJoin followed by order by gives NPE in Tez
Date Sat, 08 Nov 2014 02:38:33 GMT
Rohini Palaniswamy created PIG-4315:
---------------------------------------

             Summary: MergeJoin followed by order by gives NPE in Tez
                 Key: PIG-4315
                 URL: https://issues.apache.org/jira/browse/PIG-4315
             Project: Pig
          Issue Type: Sub-task
          Components: tez
            Reporter: Rohini Palaniswamy
             Fix For: 0.14.1


TestHBaseStorage.testMergeJoin() fails. connectingLR is null in CombinerOptimizer and throws
NPE in 

{code}
from.plan.getOperator(connectingLR.getOperatorKey())
{code}

When splitting DAGs and doing moveTree TezCompilerUtil.connect() overwrites the output key
of sampler LocalRearrange to the partitioner vertex.




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