liyunzhang_intel created PIG-4832:
-------------------------------------
Summary: Fix TestPrumeColumn NPE failure
Key: PIG-4832
URL: https://issues.apache.org/jira/browse/PIG-4832
Project: Pig
Issue Type: Bug
Reporter: liyunzhang_intel
Assignee: liyunzhang_intel
ant clean -Dtestcase=TestPruneColumn -Dexectype=mr -Dhadoopversion=23 test
following tests fail:
testSharedSchemaObject
testMapKey4
Error message:
{code}
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)
{code}
The reason why they fail is because POStore#sDecorator is null in some cases.
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