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Hadoop, mail # user - Re: Task Tracker Not Starting in Hadoop-1.0.3 Help Please


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Re: Task Tracker Not Starting in Hadoop-1.0.3 Help Please
Robert Molina 2012-12-04, 20:58
Hi Dibyendu,
I believe TT is trying to do some cleanup.  What is currently in

/home/usr/student/pg/yr11/dibyendu_karmakar/hadoop-1.0.3/temp/mapred/local

Regards,
Robert

On Tue, Dec 4, 2012 at 4:49 AM, Nitin Pawar <[EMAIL PROTECTED]> wrote:

> surprising to see that TT is restarting without any error after it checks
> for the directory ownership mapred local directories.
>
> can you try putting tasktracker startup in debug mode? (which version of
> JDK are you using? )
>
>
> On Tue, Dec 4, 2012 at 4:59 PM, Mohammad Tariq <[EMAIL PROTECTED]> wrote:
>
>> I see. Could you please post your JT logs? Also, comment out "127.0.1.1"
>> in your "/etc/hosts" and try to restart the cluster. I am assuming rest of
>> the things are working fine.
>>
>> (I am sorry as I am not able to post any direct answer, as it's very
>> difficult to diagnose the actual problem without error logs).
>>
>> Regards,
>>     Mohammad Tariq
>>
>>
>>
>> On Tue, Dec 4, 2012 at 4:31 PM, Dibyendu Karmakar <
>> [EMAIL PROTECTED]> wrote:
>>
>>> THE ENTIRE CONTENT OF TASKTRACKER -- PASTED HERE WITH AN ATTACHMENT
>>> ALSO --- THANK YOU FOR THE REPLY
>>>
>>>
>>> 2012-12-04 15:20:45,942 INFO org.apache.hadoop.mapred.TaskTracker:
>>> STARTUP_MSG:
>>> /************************************************************
>>> STARTUP_MSG: Starting TaskTracker
>>> STARTUP_MSG:   host = radix.itd.jusl.ac.in/172.16.4.120
>>> STARTUP_MSG:   args = []
>>> STARTUP_MSG:   version = 1.0.3
>>> STARTUP_MSG:   build >>> https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r
>>> 1335192; compiled by 'hortonfo' on Tue May  8 20:31:25 UTC 2012
>>> ************************************************************/
>>> 2012-12-04 15:20:46,983 INFO
>>> org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from
>>> hadoop-metrics2.properties
>>> 2012-12-04 15:20:47,044 INFO
>>> org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
>>> MetricsSystem,sub=Stats registered.
>>> 2012-12-04 15:20:47,445 INFO
>>> org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot
>>> period at 10 second(s).
>>> 2012-12-04 15:20:47,445 INFO
>>> org.apache.hadoop.metrics2.impl.MetricsSystemImpl: TaskTracker metrics
>>> system started
>>> 2012-12-04 15:20:48,478 INFO
>>> org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
>>> ugi registered.
>>> 2012-12-04 15:20:59,066 INFO org.mortbay.log: Logging to
>>> org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via
>>> org.mortbay.log.Slf4jLog
>>> 2012-12-04 15:20:59,137 INFO org.apache.hadoop.http.HttpServer: Added
>>> global filtersafety
>>> (class=org.apache.hadoop.http.HttpServer$QuotingInputFilter)
>>> 2012-12-04 15:20:59,164 INFO
>>> org.apache.hadoop.mapred.TaskLogsTruncater: Initializing logs'
>>> truncater with mapRetainSize=-1 and reduceRetainSize=-1
>>> 2012-12-04 15:20:59,167 INFO org.apache.hadoop.mapred.TaskTracker:
>>> Starting tasktracker with owner as dibyendu_karmakar
>>> 2012-12-04 15:20:59,169 INFO org.apache.hadoop.mapred.TaskTracker:
>>> Good mapred local directories are:
>>>
>>> /home/usr/student/pg/yr11/dibyendu_karmakar/hadoop-1.0.3/temp/mapred/local
>>> 2012-12-04 15:21:11,190 INFO org.apache.hadoop.mapred.TaskTracker:
>>> STARTUP_MSG:
>>> /************************************************************
>>> STARTUP_MSG: Starting TaskTracker
>>> STARTUP_MSG:   host = radix.itd.jusl.ac.in/172.16.4.120
>>> STARTUP_MSG:   args = []
>>> STARTUP_MSG:   version = 1.0.3
>>> STARTUP_MSG:   build >>> https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r
>>> 1335192; compiled by 'hortonfo' on Tue May  8 20:31:25 UTC 2012
>>> ************************************************************/
>>> 2012-12-04 15:21:11,971 INFO
>>> org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from
>>> hadoop-metrics2.properties
>>> 2012-12-04 15:21:12,031 INFO
>>> org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
>>> MetricsSystem,sub=Stats registered.