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From "Steven Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-7393) Tez jobs sometimes fail with NPE processing input splits
Date Fri, 11 Jul 2014 23:03:04 GMT
Steven Yu created HIVE-7393:
-------------------------------

             Summary: Tez jobs sometimes fail with NPE processing input splits
                 Key: HIVE-7393
                 URL: https://issues.apache.org/jira/browse/HIVE-7393
             Project: Hive
          Issue Type: Bug
          Components: Tez
    Affects Versions: 0.13.0
            Reporter: Steven Yu


Input files are either ORC or RC format.  Only occurs on occasion - if the query is repeated
it is likely to complete successfully.

{noformat}
2014-07-11 15:31:45,367 INFO [InputInitializer [Map 3] #0] org.apache.hadoop.mapred.split.TezMapredSplitsGrouper:
Grouping splits in Tez
2014-07-11 15:31:45,367 INFO [InputInitializer [Map 3] #0] org.apache.hadoop.mapred.split.TezMapredSplitsGrouper:
Desired splits: 408 too large.  Desired splitLength: 614866 Min splitLength: 16777216 New
desired splits: 15 Total length: 250865685 Original splits: 13
2014-07-11 15:31:45,367 INFO [InputInitializer [Map 3] #0] org.apache.hadoop.mapred.split.TezMapredSplitsGrouper:
Using original number of splits: 13 desired splits: 15
2014-07-11 15:31:45,381 INFO [AsyncDispatcher event handler] org.apache.tez.dag.history.HistoryEventHandler:
[HISTORY][DAG:dag_1405114778353_0004_1][Event:VERTEX_INITIALIZED]: vertexName=Reducer 4, vertexId=vertex_1405114778353_0004_1_09,
initRequestedTime=1405117905313, initedTime=1405117905381, numTasks=999, processorName=org.apache.hadoop.hive.ql.exec.tez.ReduceTezProcessor,
additionalInputsCount=0
2014-07-11 15:31:45,381 INFO [AsyncDispatcher event handler] org.apache.tez.dag.app.dag.impl.VertexImpl:
vertex_1405114778353_0004_1_09 [Reducer 4] transitioned from NEW to INITED due to event V_INIT
2014-07-11 15:31:45,383 ERROR [AsyncDispatcher event handler] org.apache.tez.dag.app.dag.impl.VertexImpl:
Vertex Input: csb initializer failed
java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.addSplitsForGroup(HiveInputFormat.java:275)
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.getSplits(HiveInputFormat.java:372)
	at org.apache.hadoop.mapred.split.TezGroupedSplitsInputFormat.getSplits(TezGroupedSplitsInputFormat.java:68)
	at org.apache.tez.mapreduce.hadoop.MRHelpers.generateOldSplits(MRHelpers.java:263)
	at org.apache.tez.mapreduce.common.MRInputAMSplitGenerator.initialize(MRInputAMSplitGenerator.java:139)
	at org.apache.tez.dag.app.dag.RootInputInitializerRunner$InputInitializerCallable$1.run(RootInputInitializerRunner.java:154)
	at org.apache.tez.dag.app.dag.RootInputInitializerRunner$InputInitializerCallable$1.run(RootInputInitializerRunner.java:146)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1557)
	at org.apache.tez.dag.app.dag.RootInputInitializerRunner$InputInitializerCallable.call(RootInputInitializerRunner.java:146)
	at org.apache.tez.dag.app.dag.RootInputInitializerRunner$InputInitializerCallable.call(RootInputInitializerRunner.java:114)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)
{noformat}




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