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From Eric Yang <eric...@gmail.com>
Subject Re: debug Error saving Chunk
Date Sun, 11 Dec 2011 03:21:25 GMT
In Mapreduce framework, everything that uses System.out or System.err
are redirected automatically to syslog.
You shouldn't need to do anything special.

regards,
Eric

On Sat, Dec 10, 2011 at 7:07 PM, AD <straightflush@gmail.com> wrote:
> I have a custom processor in extraction/demux/processor/mapper do I need to
> print something custom to stderr from there ?
>
>
> On Sat, Dec 10, 2011 at 4:32 PM, Eric Yang <eric818@gmail.com> wrote:
>>
>> Hi AD,
>>
>> The stack trace is output to stdout of the mapreduce job.  Hence,
>> check the syslog file for the mapreduce job to find the actual cause
>> of the problem.  Hope this helps.
>>
>> regards,
>> Eric
>>
>> On Sat, Dec 10, 2011 at 1:23 PM, AD <straightflush@gmail.com> wrote:
>> > i am seeing the following error :
>> >
>> > 2011-12-10 16:21:43,886 WARN btpool0-1 ChunkSaver - Unable to save a
>> > chunk:
>> > tags:  testcluster - source:lilmac.home
>> >
>> > Is there a way to turn on more debugging to find out why?
>
>

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