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Message from discussion warnings in log after master failover
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Jason Rassi  
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 More options Sep 24 2012, 10:49 am
From: Jason Rassi <ra...@10gen.com>
Date: Mon, 24 Sep 2012 07:49:57 -0700 (PDT)
Local: Mon, Sep 24 2012 10:49 am
Subject: Re: warnings in log after master failover
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The warning is harmless.

On Monday, September 24, 2012 9:11:27 AM UTC-4, gowabash wrote:

> We have 3 servers in out replica set (a,b,c).  a is normally the master.
>  This weekend I needed to perform compaction on a, so I switched over
> primary to b and performed our normal compaction.  On completion, I
> switched primary back to a. Before the switchover occurred, there were a
> bunch of warnings in the log file of the related to cursor loc null.  Below
> is a sample.  The database switched back to primary and appears to be
> running smoothly, but I want to make sure that the warning / error is not
> something I need to worry about. We have multiple repica sets and this
> message appeared in more than one of the logs after switchover.

> Mon Sep 24 11:23:09 [conn26580]  DB_NAME.COLLECTION_NAME warning: cursor
> loc null does not match byLoc position 1c:70a4bb5c !


 
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