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From <yogesh.kuma...@wipro.com>
Subject ERROR:: TaskTracker is not STARTING..
Date Fri, 26 Oct 2012 10:29:42 GMT
Hi All,

I am trying to run Hadoop cluster but TaskTracker is not running,
I have cluster of two machines

1st Machine Namenode+Datanode
2nd Machine DataNode.

here is the TaskTracker's Log file.

2012-10-26 15:45:35,405 INFO org.apache.hadoop.mapred.TaskTracker: STARTUP_MSG:
STARTUP_MSG: Starting TaskTracker
STARTUP_MSG:   host = MasterNode/
STARTUP_MSG:   args = []
STARTUP_MSG:   version = 0.20.2
STARTUP_MSG:   build = https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20
-r 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC 2010
2012-10-26 15:45:35,515 INFO org.mortbay.log: Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log)
via org.mortbay.log.Slf4jLog
2012-10-26 15:45:35,589 INFO org.apache.hadoop.http.HttpServer: Port returned by webServer.getConnectors()[0].getLocalPort()
before open() is -1. Opening the listener on 50060
2012-10-26 15:45:35,600 INFO org.apache.hadoop.http.HttpServer: listener.getLocalPort() returned
50060 webServer.getConnectors()[0].getLocalPort() returned 50060
2012-10-26 15:45:35,600 INFO org.apache.hadoop.http.HttpServer: Jetty bound to port 50060
2012-10-26 15:45:35,601 INFO org.mortbay.log: jetty-6.1.14
2012-10-26 15:45:35,849 INFO org.mortbay.log: Started SelectChannelConnector@
2012-10-26 15:45:35,852 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing JVM Metrics
with processName=TaskTracker, sessionId=
2012-10-26 15:45:35,858 ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker
because java.net.BindException: Problem binding to localhost/ : Can't assign
requested address
at org.apache.hadoop.ipc.Server.bind(Server.java:190)
at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:253)
at org.apache.hadoop.ipc.Server.<init>(Server.java:1026)
at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:488)
at org.apache.hadoop.ipc.RPC.getServer(RPC.java:450)
at org.apache.hadoop.mapred.TaskTracker.initialize(TaskTracker.java:497)
at org.apache.hadoop.mapred.TaskTracker.<init>(TaskTracker.java:934)
at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:2833)
Caused by: java.net.BindException: Can't assign requested address
at sun.nio.ch.Net.bind(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:124)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
at org.apache.hadoop.ipc.Server.bind(Server.java:188)
... 7 more

2012-10-26 15:45:35,859 INFO org.apache.hadoop.mapred.TaskTracker: SHUTDOWN_MSG:
SHUTDOWN_MSG: Shutting down TaskTracker at MasterNode/

Please Suggest
Yogesh Kumar

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