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From "Rajesh Balamohan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-7163) ReduceRecordProcessor adds null values to getShuffleInputs - Causing NPE
Date Mon, 02 Jun 2014 06:15:02 GMT
Rajesh Balamohan created HIVE-7163:
--------------------------------------

             Summary: ReduceRecordProcessor adds null values to getShuffleInputs - Causing
NPE
                 Key: HIVE-7163
                 URL: https://issues.apache.org/jira/browse/HIVE-7163
             Project: Hive
          Issue Type: Bug
            Reporter: Rajesh Balamohan


2014-06-01 22:35:55,435 ERROR TezChild org.apache.hadoop.hive.ql.exec.tez.TezProcessor: java.lang.RuntimeException:
java.lang.NullPointerException
at org.apache.tez.runtime.InputReadyTracker$InputReadyMonitor.<init>(InputReadyTracker.java:111)
at org.apache.tez.runtime.InputReadyTracker.waitForAllInputsReady(InputReadyTracker.java:90)
at org.apache.tez.runtime.api.impl.TezProcessorContextImpl.waitForAllInputsReady(TezProcessorContextImpl.java:109)
at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.run(ReduceRecordProcessor.java:198)
at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:165)
at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:307)
at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:181)
at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:173)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:173)
at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:168)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
Caused by: java.lang.NullPointerException
at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:1125)
at java.util.Collections$SetFromMap.add(Collections.java:3903)
at java.util.AbstractCollection.addAll(AbstractCollection.java:334)
at org.apache.tez.runtime.InputReadyTracker$InputReadyMonitor.<init>(InputReadyTracker.java:102)
... 17 more

ReduceRecordProcessor.getShuffleInputs() adds "null" values to ShuffleInputs. This is passed
on to to org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor: getShuffleInputs : null,
null

Environment: Latest codebase




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