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HDFS, mail # user - 'Cannot roll edit log'


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Re: 'Cannot roll edit log'
Terry Healy 2012-07-09, 17:23
Any suggestions on how to clear the error? stp-all / start-all had no
effect.

On 07/03/2012 04:22 PM, Brandon Li wrote:
> With 1.0.2, only one checkpoint process is executed at a time. When the
> namenode gets an overlapping checkpointing request, it checks edit.new
> in its storage directories. If all of them have this file, namenode
> concludes the previous checkpoint process is not done yet and prints the
> warning message you've seen.
>
> Brandon
>
> On Tue, Jul 3, 2012 at 10:56 AM, Terry Healy <[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> wrote:
>
>     Running Apache 1.0.2.
>
>     The NN log is reporting that it cannot "roll the edit log" from the
>     secondary NN. The SecondaryNameNode is running on the system referred to
>     as xxx.yyy.254.238 in the log snippet below.
>
>     From the NN, I can connect to the Secondary via ssh as the user. Any
>     suggestions what have I got wrong here?
>
>     thanks,
>
>     Terry
>
>     INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Roll Edit Log
>     from xxx.yyy.254.238
>     WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Cannot roll
>     edit log, edits.new files already exists in all healthy directories:
>       /home/[user]/hdfs/name/current/edits.new
>
>     ERROR org.apache.hadoop.security.UserGroupInformation:
>     PriviledgedActionException as:[user] cause:java.net.ConnectException:
>     Connection refused
>     ERROR org.apache.hadoop.security.UserGroupInformation:
>     PriviledgedActionException as:[user] cause:java.net.ConnectException:
>     Connection refused
>
>     WARN org.mortbay.log: /getimage: java.io.IOException: GetImage failed.
>     java.net.ConnectException: Connection refused
>             at java.net.PlainSocketImpl.socketConnect(Native Method)
>             at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
>     ....
>
>
>     --
>     Terry Healy / [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
>     Cyber Security Operations
>     Brookhaven National Laboratory
>     Building 515, Upton N.Y. 11973
>
>

--
Terry Healy / [EMAIL PROTECTED]
Cyber Security Operations
Brookhaven National Laboratory
Building 515, Upton N.Y. 11973