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Re: Task Tracker Not Starting in Hadoop-1.0.3 Help Please
@ Nitin Power, I don't how to put Task Tracker in debug mode.

JDK VERSION - using "java -version" command
------------------------------------------------
java version "1.6.0"
Java(TM) SE Runtime Environment (build 1.6.0-b105)
Java HotSpot(TM) Client VM (build 1.6.0-b105, mixed mode, sharing)

@ Robert Molina,
doing "ls /home/usr/student/pg/yr11/dibyendu_karmakar/hadoop-1.0.3/temp/mapred/local"
gives a directory named "taskTracker"
But this directory is empty --- no file found after doing "ls" on this directory

AND ALSO MY < hadoop.tmp.dir > IS
/home/usr/student/pg/yr11/dibyendu_karmakar/hadoop-1.0.3/temp
@ Mohammad Tariq,

THE JOB TRACKER LOG FILE IS AS FOLLOWS ---- NO ERROR ALSO

2012-12-04 15:33:20,305 INFO org.apache.hadoop.mapred.JobTracker: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting JobTracker
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 15:33:20,768 INFO
org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from
hadoop-metrics2.properties
2012-12-04 15:33:20,780 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
MetricsSystem,sub=Stats registered.
2012-12-04 15:33:20,880 INFO
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot
period at 10 second(s).
2012-12-04 15:33:20,880 INFO
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: JobTracker metrics
system started
2012-12-04 15:33:21,277 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
QueueMetrics,q=default registered.
2012-12-04 15:33:22,527 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
ugi registered.
2012-12-04 15:33:22,528 INFO
org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager:
Updating the current master key for generating delegation tokens
2012-12-04 15:33:22,530 INFO org.apache.hadoop.mapred.JobTracker:
Scheduler configured with (memSizeForMapSlotOnJT,
memSizeForReduceSlotOnJT, limitMaxMemForMapTasks,
limitMaxMemForReduceTasks) (-1, -1, -1, -1)
2012-12-04 15:33:22,531 INFO org.apache.hadoop.util.HostsFileReader:
Refreshing hosts (include/exclude) list
2012-12-04 15:33:22,537 INFO
org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager:
Starting expired delegation token remover thread,
tokenRemoverScanInterval=60 min(s)
2012-12-04 15:33:22,537 INFO
org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager:
Updating the current master key for generating delegation tokens
2012-12-04 15:33:22,868 INFO org.apache.hadoop.mapred.JobTracker:
Starting jobtracker with owner as dibyendu_karmakar
2012-12-04 15:33:22,888 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
RpcDetailedActivityForPort9002 registered.
2012-12-04 15:33:22,889 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
RpcActivityForPort9002 registered.
2012-12-04 15:33:22,892 INFO org.apache.hadoop.ipc.Server: Starting SocketReader
2012-12-04 15:33:32,947 INFO org.mortbay.log: Logging to
org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via
org.mortbay.log.Slf4jLog
2012-12-04 15:33:33,012 INFO org.apache.hadoop.http.HttpServer: Added
global filtersafety
(class=org.apache.hadoop.http.HttpServer$QuotingInputFilter)
2012-12-04 15:33:33,413 INFO org.apache.hadoop.http.HttpServer: Port
returned by webServer.getConnectors()[0].getLocalPort() before open()
is -1. Opening the listener on 50030
2012-12-04 15:33:33,415 INFO org.apache.hadoop.http.HttpServer:
listener.getLocalPort() returned 50030
webServer.getConnectors()[0].getLocalPort() returned 50030
2012-12-04 15:33:33,415 INFO org.apache.hadoop.http.HttpServer: Jetty
bound to port 50030
2012-12-04 15:33:33,415 INFO org.mortbay.log: jetty-6.1.26
2012-12-04 15:33:34,274 INFO org.mortbay.log: Started
SelectChannelConnector@0.0.0.0:50030
2012-12-04 15:33:34,279 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
jvm registered.
2012-12-04 15:33:34,280 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
JobTrackerMetrics registered.
2012-12-04 15:33:34,280 INFO org.apache.hadoop.mapred.JobTracker:
JobTracker up at: 9002
2012-12-04 15:33:34,280 INFO org.apache.hadoop.mapred.JobTracker:
JobTracker webserver: 50030
2012-12-04 15:33:34,704 INFO org.apache.hadoop.mapred.JobTracker:
Cleaning up the system directory
2012-12-04 15:33:34,802 INFO org.apache.hadoop.mapred.JobTracker:
History server being initialized in embedded mode
2012-12-04 15:33:34,806 INFO
org.apache.hadoop.mapred.JobHistoryServer: Started job history server
at: localhost:50030
2012-12-04 15:33:34,806 INFO org.apache.hadoop.mapred.JobTracker: Job
History Server web address: localhost:50030
2012-12-04 15:33:34,810 INFO
org.apache.hadoop.mapred.CompletedJobStatusStore: Completed job store
is inactive
2012-12-04 15:33:35,426 INFO org.apache.hadoop.mapred.JobTracker:
Refreshing hosts information
2012-12-04 15:33:35,765 INFO org.apache.hadoop.util.HostsFileReader:
Setting the includes file to
2012-12-04 15:33:35,765 INFO org.apache.hadoop.util.HostsFileReader:
Setting the excludes file to
2012-12-04 15:33:35,765 INFO org.apache.hadoop.util.HostsFileReader:
Refreshing hosts (include/exclude) list
2012-12-04 15:33:35,765 INFO org.apache.hadoop.mapred.JobTracker:
Decommissioning 0 nodes
2012-12-04 15:33:35,766 INFO org.apache.hadoop.ipc.Server: IPC Server
Responder: starting
2012-12-04 15:33:35,767 INFO org.apache.hadoop.ipc.Server: IPC Server
listener on 9002: starting
2012-12-04 15:33:35,767 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 0 on 9002: starting
2012-12-04 15:33:35,767 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 1