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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
Nitin Pawar 2012-12-04, 12:49
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.
>> 2012-12-04 15:21:12,032 INFO
>> org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot
>> period at 10 second(s).
>> 2012-12-04 15:21:12,032 INFO
>> org.apache.hadoop.metrics2.impl.MetricsSystemImpl: TaskTracker metrics
>> system started
>> 2012-12-04 15:21:12,443 INFO
>> org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
Nitin Pawar