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  1. Pig
  2. PIG-4832

Fix TestPrumeColumn NPE failure

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: spark-branch, 0.16.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      ant clean -Dtestcase=TestPruneColumn -Dexectype=mr -Dhadoopversion=23 test

      following tests fail:
      testSharedSchemaObject
      testMapKey4

      Error message:

      Testcase: testSharedSchemaObject took 0.133 sec
              Caused an ERROR 
      Unable to open iterator for alias C
      org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias C
              at org.apache.pig.PigServer.openIterator(PigServer.java:957)
              at org.apache.pig.test.TestPruneColumn.testSharedSchemaObject(TestPruneColumn.java:1660)
      Caused by: org.apache.pig.PigException: ERROR 1002: Unable to store alias C
              at org.apache.pig.PigServer.storeEx(PigServer.java:1060)
              at org.apache.pig.PigServer.store(PigServer.java:1019)
              at org.apache.pig.PigServer.openIterator(PigServer.java:932)
      Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 0: java.lang.NullPointerException
              at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:310)
              at org.apache.pig.PigServer.launchPlan(PigServer.java:1412)
              at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1397)
              at org.apache.pig.PigServer.storeEx(PigServer.java:1056)
      Caused by: java.lang.NullPointerException
              at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getNextTuple(POStore.java:164)
              at org.apache.pig.backend.hadoop.executionengine.fetch.FetchLauncher.runPipeline(FetchLauncher.java:157)
              at org.apache.pig.backend.hadoop.executionengine.fetch.FetchLauncher.launchPig(FetchLauncher.java:81)
              at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:302)
      
      Testcase: testMapKey4 took 0.127 sec
              Caused an ERROR
      Unable to open iterator for alias C
      org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias C
              at org.apache.pig.PigServer.openIterator(PigServer.java:957)
              at org.apache.pig.test.TestPruneColumn.testMapKey4(TestPruneColumn.java:1242)
      Caused by: org.apache.pig.PigException: ERROR 1002: Unable to store alias C
              at org.apache.pig.PigServer.storeEx(PigServer.java:1060)
              at org.apache.pig.PigServer.store(PigServer.java:1019)
              at org.apache.pig.PigServer.openIterator(PigServer.java:932)
      Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 0: java.lang.NullPointerException
              at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:310)
              at org.apache.pig.PigServer.launchPlan(PigServer.java:1412)
              at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1397)
              at org.apache.pig.PigServer.storeEx(PigServer.java:1056)
      Caused by: java.lang.NullPointerException
              at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getNextTuple(POStore.java:164)
              at org.apache.pig.backend.hadoop.executionengine.fetch.FetchLauncher.runPipeline(FetchLauncher.java:157)
              at org.apache.pig.backend.hadoop.executionengine.fetch.FetchLauncher.launchPig(FetchLauncher.java:81)
              at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:302)
      

      The reason why they fail is because POStore#sDecorator is null in some cases.

        Attachments

        1. PIG-4832.patch
          1 kB
          liyunzhang

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              • Assignee:
                kellyzly liyunzhang
                Reporter:
                kellyzly liyunzhang
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                • Created:
                  Updated:
                  Resolved: