[opencms-dev] Problem for (re)starting OpenCms

[Brendon Price]

Hi all,

We had also encountered this problem previously and had spent several days
trying to resolve the issue. In the end we added extensive debug code to the
connection pool code of opencms. It appeared that the code hangs on the
re-establishment of the connections in the connection pool. This is the
point at which it times out the connections and re-estabilshes them. We
could get the product to break every 2 minutes by reducing the timeout of
connections down to 2 minutes.

In the end it was it appeared that the code fails within the JDBC connection
creation. In the end we found an article that suggested we increase the
number of file handles available to the Oracle 9i process (our DB). Once we
did this our problem disappeared, however I think there is something else at
work here that means we may have just hidden the symptoms of the real
problem.

We made a changes to the
/etc/sysctl.conf
file and increased the number of file handles by adding the line

fs.file-max=32768

After a restart of the whole machine, the problem did not occur again, even
with our previous test case (that failed every 2 minutes).

I hope this helps.

Regards
Brendon


-----Original Message-----
From: Nicolas Delsaux
To: opencms-dev at opencms.org
Sent: 11/07/2003 9:40 p.m.
Subject: Re: [opencms-dev] Problem for (re)starting OpenCms

On Fri, 11 Jul 2003 10:23:54 +0200 (CEST), Joachim Arrasz
<info at arrasz.de> 
wrote:

> Hy Nicolas,
>
> what was your solution to this crazy thing?
> How we can configurate Opencms to do that NOT?

I've not yet found any kind of solution; In fact, the problem is
currently 
being corrected by a Tomcat restart each night.
But, if anybody can have any idea on that problem, I'm willing to apply
it 
as soon as possible.
>
> thanx in advance
>
> Achim


-- 
Nicolas Delsaux

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