Re: [JIRA] (COLL-117) seeing warnings "attempt to override final parameter: dfs.data.dir" in tasktracker logs

2010-06-21 Thread Allen Wittenauer 

Again, removing a bunch of CC:'es.

On Jun 21, 2010, at 2:26 AM, Bikash Singhal wrote:

> 
> Hi Hadoopers,
> 
> I have received WARN in the hadoop cluster. Has anybody seen this . Any 
> solution?
> 
> 
>> 2010-06-06 01:45:04,079 WARN org.apache.hadoop.conf.Configuration: 
>> /var/lib/hadoop-0.20/cache/hadoop/mapred/local/taskTracker/jobcache/job_201006060025_0003/job.xml:a
>>  attempt to override final parameter: dfs.data.dir;  Ignoring.
>> 
>> 2010-06-06 01:49:41,501 WARN org.apache.hadoop.conf.Configuration: 
>> /var/lib/hadoop-0.20/cache/hadoop/mapred/local/taskTracker/jobcache/job_201006060025_0004/job.xml:a
>>  attempt to override final parameter: dfs.data.dir;  Ignoring.


It means your client has 'dfs.data.dir' in its hadoop config.  On the server 
side, it is marked as final, which means the client can't override the value.  
This message is completely harmless for this particular parameter.

[JIRA] (COLL-117) seeing warnings "attempt to override final parameter: dfs.data.dir" in tasktracker logs

2010-06-21 Thread Bikash Singhal 

Hi Hadoopers,

I have received WARN in the hadoop cluster. Has anybody seen this . Any 
solution?


> 2010-06-06 01:45:04,079 WARN org.apache.hadoop.conf.Configuration: 
> /var/lib/hadoop-0.20/cache/hadoop/mapred/local/taskTracker/jobcache/job_201006060025_0003/job.xml:a
>  attempt to override final parameter: dfs.data.dir;  Ignoring.
> 
> 2010-06-06 01:49:41,501 WARN org.apache.hadoop.conf.Configuration: 
> /var/lib/hadoop-0.20/cache/hadoop/mapred/local/taskTracker/jobcache/job_201006060025_0004/job.xml:a
>  attempt to override final parameter: dfs.data.dir;  Ignoring.


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