[HIVE-7393] Tez jobs sometimes fail with NPE processing input splits

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 0.13.0
• Fix Version/s: 0.14.0
• Component/s: Tez
• Assignee: Unassigned
• Reporter: Steven Yu
• Created: 11/Jul/14 23:02
• Updated: 13/Nov/14 19:43
• Resolved: 12/Jul/14 05:04

Description

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

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)

Issue Links

• duplicates: HIVE-7011 HiveInputFormat's split generation isn't thread safe