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