nt: Sunday, July 18, 2010 6:11 PM
To: mapreduce-user@hadoop.apache.org
Subject: Re: Error: java.lang.NullPointerException at
java.util.concurrent.ConcurrentHashMap.get
Have you looked at https://issues.apache.org/jira/browse/MAPREDUCE-969 ?
It points to https://issues.apache.org/jira/browse/HADOOP
*Sent:* Friday, July 16, 2010 12:34 PM
> *To:* mapreduce-user@hadoop.apache.org
> *Subject:* Re: Error: java.lang.NullPointerException at
> java.util.concurrent.ConcurrentHashMap.get
>
>
>
> What version of hadoop are you using ?
>
> On Fri, Jul 16, 2010 at 8:56 AM, Chinni,
Hadoop version: 0.20.2
From: Ted Yu [mailto:yuzhih...@gmail.com]
Sent: Friday, July 16, 2010 12:34 PM
To: mapreduce-user@hadoop.apache.org
Subject: Re: Error: java.lang.NullPointerException at
java.util.concurrent.ConcurrentHashMap.get
What version of hadoop are you using ?
On Fri, Jul
1:48:39 INFO mapred.JobClient: map 100% reduce 0%
>
> 10/07/16 11:48:43 INFO mapred.JobClient: Task Id :
> attempt_201006251254_0010_r_00_0, Status : FAILED
>
> *Error: java.lang.NullPointerException*
>
> *at
> java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768
ient: map 50% reduce 0%
10/07/16 11:48:39 INFO mapred.JobClient: map 100% reduce 0%
10/07/16 11:48:43 INFO mapred.JobClient: Task Id :
attempt_201006251254_0010_r_00_0, Status : FAILED
Error: java.lang.NullPointerException
at
java.util.concurrent.ConcurrentHashMap
