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<H1>[Mageia-sysadm] http problem on alamut</H1>
<B>Michael Scherer</B>
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TITLE="[Mageia-sysadm] http problem on alamut">misc at zarb.org
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<I>Thu Feb 24 15:48:33 CET 2011</I>
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<PRE>Le jeudi 24 février 2011 à 13:56 +0100, Michael Scherer a écrit :
><i> Hi,
</I>><i>
</I>><i> it seems that each time we reload/restart apache, something gets wrong.
</I>><i> I had to restart it twice this morning. One time because sympa was in a
</I>><i> weird state, and another one because catdap was having issues.
</I>><i>
</I>><i> So while we need for sure monitoring ( but we all agree on that and
</I>><i> buchan is working on it ), we also need to understand the problem, ie
</I>><i> something prevent apache from stopping properly. It could be any of the
</I>><i> web application, but I would suspect mod_wsgi ( because it was the last
</I>><i> one to be added ).
</I>><i>
</I>><i> Anyone has a idea on where to start ( apart from bisecting the
</I>><i> configuration in a vm, which I am about to do )
</I>
So after some debugging, I have seen the issue is that the httpd process
ignore the SIGTERM sent by the main apache.
It seems to be caused by mod_wsgi, and commit 1051, that tell to
mod_wsgi to let a software register a callback for signal. Since viewvc
was sending messages in the log, I disabled the check. Since this broke
apache, I reenabled it now.
A proper fix for viewvc should not be too hard to do ( just no time ).
--
Michael Scherer
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