----- "Dustin Chesterman" <dchester11@xxxxxxxxx> wrote:
> Thanks Igor for the reply. Sorry for not knowing quite enough to be
> specific with some of this. When I say it hangs, I mean every once in
> a while it takes 15-20 seconds to respond. When I have a direct Tomcat
> connection setup it doesn't happen.
Usually the case is vice-versa, with tomcat not being able to handle
as many connections as httpd can reverse-proxy.
> mod_status was a great suggestion I did not realize was there. I'm not
> sure how I can use it though to debug this type of problem when many
> of the requests go though fine and one does not once in a while.
See http://apache.org/server-status for an example,
maybe paste your scoreboard here.
> I removed everything that was default per your suggestion. This is my
> new configuration:
I just find it more readable this way -- other people like to explicitly
name it -- whatever floats your boat!
> <VirtualHost 192.168.XXX.XXX:80>
> RewriteEngine On
> RewriteCond %{HTTPS} off
> RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
> </VirtualHost>
> <VirtualHost 192.168.XXX.XXX:443>
> ServerName 192.168.XXX.XXX
> ProxyPreserveHost On
> SSLEngine On
> SSLCertificateFile /etc/httpd/ssl/jirassl-pem.crt
> SSLCertificateKeyFile /etc/httpd/ssl/jirassl.key
> ProxyPass / http://localhost:8080/ disablereuse=off
> ProxyPassReverse / http://localhost:8080/
> </VirtualHost>
>
> I also added the diablereuse key.
Considering that you're back, I suppose it did not help your case.
> I have not used the AJP connection since the warning message about an
> open proxy scared me off. Would this be an issue for a reverse proxy?
The same is true for HTTP connections but not in reverse-proxy mode.
> Would this cause issues that last a long as I am seeing?
I don't know. I would need deeper insight in your httpd configuration,
things like Timeout and MPM settings.
Also, I don't know what your Tomcat app is doing.
Maybe it was just stuck in a GC at that point? See:
http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html#DebuggingOptions
For more info
> I have a capture of the problem in a wireshark log. Is there something
> I can look for in there that would point me in the right direction to
> filtering his down?
I wouldn't know off-hand. If the wireshark capture doesn't contain
any data that is confidential, I suggest you attach it to your next
mail, and see if anyone springs at any of its gory details.
> Thanks again for your help and patience :)
You're very welcome.
> -Dustin
i
--
Igor GaliÄ
Tel: +43 (0) 664 886 22 883
Mail: i.galic@xxxxxxxxxxxxxx
URL: http://brainsware.org/
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