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From Jing Tie <tiej...@gmail.com>
Subject jobtracker: Cannot assign requested address
Date Sat, 18 Sep 2010 00:19:09 GMT
Dear all,

I am having this exception when starting jobtracker, and I checked by
netstat that the port is not in use before running. Could you please
point out where might be the problem? Many thanks in advance!

2010-09-17 17:07:22,863 FATAL org.apache.hadoop.mapred.JobTracker:
java.net.BindException: Problem binding to hostname/ipaddress:45365 :
Cannot 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.JobTracker.<init>(JobTracker.java:1595)
	at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:183)
	at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:175)
	at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:3702)
Caused by: java.net.BindException: Cannot assign requested address
	at sun.nio.ch.Net.bind(Native Method)
	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:119)
	at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
	at org.apache.hadoop.ipc.Server.bind(Server.java:188)
	... 8 more


Configure in mapred-site.xml:
<property>
    <name>mapred.job.tracker</name>
    <value>hostname:45365</value>
</property>


Best,
Jing

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