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From Harsh J <ha...@cloudera.com>
Subject Re: 2011-06-10 13:14:29,767 FATAL org.apache.hadoop.mapred.JobTracker: java.net.BindException: Problem binding to server1/10.0.3.85:8021 : Address already in use
Date Fri, 10 Jun 2011 20:33:08 GMT
On face value, it appears to look like (1) A JT instance is already up
and bound to that port (2) Something else is using 8021 and has bound
it to itself.

On Sat, Jun 11, 2011 at 1:57 AM, Shuja Rehman <shujamughal@gmail.com> wrote:
> Hi All,
>
> i am not sure why i start getting this error. can  anybody let me know?
>
> 2011-06-10 13:14:29,767 FATAL org.apache.hadoop.mapred.JobTracker:
> java.net.BindException: Problem binding to server1/10.0.3.85:8021 : Address
> already in use
>         at org.apache.hadoop.ipc.Server.bind(Server.java:230)
>         at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:319)
>         at org.apache.hadoop.ipc.Server.<init>(Server.java:1510)
>         at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:539)
>         at org.apache.hadoop.ipc.RPC.getServer(RPC.java:500)
>         at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2136)
>         at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2043)
>         at
> org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:294)
>         at
> org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:286)
>         at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4767)
> Caused by: java.net.BindException: Address already in use
>         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:228)
>         ... 9 more
>
>
> Thanks
>
> --
> Regards
> Shuja-ur-Rehman Baig
>
>
>



-- 
Harsh J

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