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From Stack <st...@duboce.net>
Subject Re: No IPC Handlers showing up in Web UI
Date Thu, 30 Oct 2014 22:02:56 GMT
Any exceptions in logs related?  Maybe the event that kills logging threads
reports in log as error?

On Thu, Oct 30, 2014 at 2:09 PM, Patrick Dignan <pdignan@hubspot.com> wrote:

> Hey all,
> I'm seeing an issue where IPC Handlers aren't showing up in the Region
> server Web UI, even though jstack shows that they are waiting/processing.
> This is on Hbase 0.94.15-cdh4.7.0
> For example, when it's working, it looks something like this:
> https://gist.github.com/bbeaudreault/aa72cf59e4d65d7ea385
> And when it's not working it just looks like this:
> https://gist.github.com/bbeaudreault/02d6186ee95ef6dacfe9
> Note that it's not an issue with the JSON interface, the HTML version
> doesn't show tasks either.  However, compactions DO show up in the
> interface, so it's possible it is some difference in how
> MonitoredRPCHandlerImpl and MonitoredTaskImpl work.
> Restarting does fix the issue, but it returns after a while.
> Does anybody know what might be happening here?
> Thanks!

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