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Date: Sun, 13 Mar 2016 01:14:45 -0500
From: Josh Elser <josh.elser@gmail.com>
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To: user@accumulo.apache.org
Subject: Re: IOException in internalRead! & transient exception communicating
 with ZooKeeper
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Keith Turner wrote:
> On Fri, Feb 26, 2016 at 7:33 AM, mohit.kaushik <mohit.kaushik@orkash.com
> <mailto:mohit.kaushik@orkash.com>> wrote:
>
>     Thanks Keith, But My Accumulo clients are using same connection
>     object. And the count for these WARN increase every second . Can
>     Monitor cause these exceptions?
>
>
> I don't think so, but not 100% sure.  I think the MAster process usually
> talks to the tservers to gather info and then the monitor talks to the
> tserver.
>
> I am wondering if there is any reason that this message should be logged
> at WARN.  Seems like a routine event, should we open an issue to look
> into logging this at a lower level?

Yeah, this is my hunch too. I know we can be a little lax in letting 
connections close via their configured timeout. It seems to me like this 
is just the server saying "oh, this got closed when I was expecting more 
data from the the client!". Would need to be certain like you say tho.