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From vaibhav negi <sssssssena...@gmail.com>
Subject Select * from table fails : Killed : java.lang.NullPointerException
Date Fri, 01 Oct 2010 10:37:45 GMT
Hi,

I am running Select * from table fails . But reduce task fails giving error
:-

Ended Job = job_201010011018_0001 with errors
FAILED: Execution Error, return code 2 from
org.apache.hadoop.hive.ql.exec.MapRedTask

2010-10-01 10:01:38,915 FATAL org.apache.hadoop.mapred.TaskTracker: Task:
attempt_201010010859_0005_r_000000_3 - Killed :
java.lang.NullPointerException
 at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768)
at
org.apache.hadoop.mapred.ReduceTask$ReduceCopier$GetMapEventsThread.getMapCompletionEvents(ReduceTask.java:2683)
at
org.apache.hadoop.mapred.ReduceTask$ReduceCopier$GetMapEventsThread.run(ReduceTask.java:2605)

Vaibhav Negi

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