Thanks for that tip Gary. I checked my extensions, and they all are for
version 1.26. This matches up with the version of MediaWiki as well. I
think I may have fixed it though. I "rearranged" some tasks that were
scheduled to run with the SQL DB, and have so far had about 48 hrs without
any issues. I am not sure if this actually fixed it or coincidence, but
only time will tell.

Thanks!

On Tue, Jun 28, 2016 at 12:21 PM, Gary Guo [via Wikimedia] <
[email protected]> wrote:

> Check if your extensions are the extensions for your current MediaWiki
> version. It seems to me that this class is added in MediaWiki 1.27, and
> your MediaWiki installation is probably using 1.26 or older. If some of
> your extension are for 1.27, it may use this class thus causing an error in
> earlier MediaWiki versions.
> -- Gary Guo
>
> > Date: Tue, 28 Jun 2016 10:15:01 -0700
> > From: [hidden email]
> <http:///user/SendEmail.jtp?type=node&node=5065334&i=0>
> > To: [hidden email]
> <http:///user/SendEmail.jtp?type=node&node=5065334&i=1>
> > Subject: [MediaWiki-l] MediaWiki randomly throwing 'Exception
> encountered, of type "Error"'
> >
> > Hello,
> >
> > This may be a repost, but it says on my other one that it was not
> accepted.
> >
> > I have MediaWiki installed on a Windows Server 2012. For the most part,
> the
> > page works fine, however, randomly the page will not load and give me an
> > error stating 'Exception encountered, of type "Error"'. I have found no
> > documentation on this error online, and turning on backtracing does not
> seem
> > to help either, except for telling me that usually a class is not found.
> For
> > example, when attempting to login, it will usually work, but
> occassionally
> > will break and say "Class 'UserPasswordPolicy' not found".
> >
> > I currently have a workaround, but that involves restarting the server
> > completely, which is obviously not ideal. Does anyone have any
> suggestions?
> > Thanks!
> >
> >
> >
> > --
> > View this message in context:
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> >
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