Agents continually receiving "page cannot be displayed"

[jfreeman2nc]

For the past week, agents in our OTRS system, have been receiving "Page Cannot Be Displayed" when navigating through tickets, responses, etc. The OTRS logs look good, I have been searching through the Apache logs and find the following notice:

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ModPerl::Util::exit: (120000) exit was called at C:/PROGRA~2/OTRS/OTRS/Kernel/cpan-lib/CGI/Carp.pm line 561[Thu Mar 29 12:53:57 2012] [notice] Parent: child process exited with status 255 -- Restarting

However, I am not seeing many errors. The only errors I have seen in the past few days are the following:

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[Wed Mar 28 16:34:15 2012] [error] Apache2::RequestIO::read: (730060) A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.   at (eval 153) line 5\n

Also this error:

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[Thu Mar 29 04:08:51 2012] [warn] [client 10.0.2.25] incomplete redirection target of '/otrs/index.pl' for URI '/' modified to 'http://otrs.system.com/otrs/index.pl'

Are there any other factors that could be causing the pages to time out or show, "Page cannot be displayed?" Currently, the database is about 0.5Gb in size and all articles are stored externally in the filesystem. There are about 35,000 tickets in the system, with 20 active agents.

I am not sure if the size and amount of users in the database is causing the issues or not.

If any one could provide any help it would be greatly appreciated.

Thanks

[artjoms15]

Well, it seems that the key initiator of this issue is ModPerl module, you are using.
When I had similar issue on my *nix system, I solved it with a reinstallation of ModPerl and recompiling Apache with decent Authentication modules, not AuthenNTLM, which was reaaaaallly buggy

In a few words - reinstall everything It will help (and check all the own customizations, maybe they are calling PERL to crash)

[jfreeman2nc]

So basically the solution to the issue is just to re-install everything? What about updating to 3.0.11 could that possibly correct the issue, cannot remember is 3.0.12 was released or not. I did try upgrading to 3.1.2 in a test environment, but constantly received the error, "Invalid Challenge Token!"

All I know is that I have about 20 users who are very frustrated with the system.

I have been thinking about switching over to CentOS, do you think that could possibly improve the overall experience with the system?