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From Jimmy Xiang <jxi...@cloudera.com>
Subject Re: ERROR: org.apache.hadoop.hbase.client.NoServerForRegionException:
Date Fri, 06 Sep 2013 16:00:25 GMT
You can use hbck to fix it:

hbase hbck -fixMeta -fixAssignments

If that doesn't work, can you restart the region server that holds the ROOT
region?

Thanks,
Jimmy


On Fri, Sep 6, 2013 at 3:56 AM, enes yĆ¼cer <enesycr@gmail.com> wrote:

> Hi,
>
> I'm using cdh 4.2.0 and hbase 0.94.2. our cluster working on 12 nodes.
>
> when I scan table in hbase shell or java api, it return:
>
> ERROR: org.apache.hadoop.hbase.client.NoServerForRegionException: Unable to
> find region for <table_name>,,99999999999999 after 7 tries.
>
> I am getting same exception when runnig "sudo -u hbase hbase hbck -repair".
>
> One region looks unassigned in web ui and hbase zkcli.
>
> my hbase master log:
>
> 1:54:07.226 PMINFOorg.apache.hadoop.hbase.master.AssignmentManager
>
> Region has been CLOSING for too long, this should eventually complete
> or the server will expire, send RPC again
>
> 1:54:17.227 PMINFOorg.apache.hadoop.hbase.master.AssignmentManager
>
> Regions in transition timed out:  -ROOT-,,0.70236052 state=CLOSING,
> ts=1378296338838, server=bda1node01.etiya.com,60000,1378296027149
>
> 1:54:17.227 PMINFOorg.apache.hadoop.hbase.master.AssignmentManager
>
> Region has been CLOSING for too long, this should eventually complete
> or the server will expire, send RPC again
>
> 1:54:27.226 PMINFOorg.apache.hadoop.hbase.master.AssignmentManager
>
> Regions in transition timed out:  -ROOT-,,0.70236052 state=CLOSING,
> ts=1378296338838, server=bda1node01.etiya.com,60000,1378296027149
>
> 1:54:27.226 PMINFOorg.apache.hadoop.hbase.master.AssignmentManager
>
> Region has been CLOSING for too long, this should eventually complete
> or the server will expire, send RPC again
>
> 1:54:37.226 PMINFOorg.apache.hadoop.hbase.master.AssignmentManager
>
> Regions in transition timed out:  -ROOT-,,0.70236052 state=CLOSING,
> ts=1378296338838, server=bda1node01.etiya.com,60000,1378296027149
>
> 1:54:37.227 PMINFOorg.apache.hadoop.hbase.master.AssignmentManager
>
> Region has been CLOSING for too long, this should eventually complete
> or the server will expire, send RPC again
>
>
>
>
> how to fix this problem?
>
> Thanks.
>

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