Re: Error 503 ocurring when server under load

2010-10-13 Thread Rob G
On 12 October 2010 19:47, Christopher Schultz ch...@christopherschultz.net wrote: I would. I believe that is true. On the other hand, there is another case where you might have problems. If you have, say, 512 worker threads in Apache httpd but you only have, say, 200 request processor

Re: Error 503 ocurring when server under load

2010-10-11 Thread Rob G
Christopher Schultz wrote This directive has been deprecated since 1.2.16. Cachesize defines the number of connections made to the AJP backend that are maintained as a connection pool. It will limit the number of those connection that each web server child process can make. Cachesize property

Error 503 ocurring when server under load

2010-10-07 Thread Rob G
Hey all, Recently migrated a production site (mixture of Servlets and JSPs) from Oracle Application Server to Apache/Tomcat. Since then we have seen numerous HTTP Error 503 - Service unavailable errors at peak times when site is under load. mod_jk.log has the following error message(s):

Re: Error 503 ocurring when server under load

2010-10-07 Thread Rob G
Thanks to all for their replies to date. Much appreciated, I'll respond to some of the points raised. Apologies if I'm asking basic stuff but still getting my ahead around Tomcat and Apache integration. On 7 October 2010 18:31, André Warnier wrote: Your configuration looks very clean to me (no

Restrict access to Manager from local ip address (Tomcat 6.0/Windows)

2010-03-12 Thread Rob G
Hey all, My setup: Windows Server 2003 SP2 Single instance of Apache HTTP Server 2.2.15 (C:\Apache) Two instances of Apache Tomcat 6.0.24  in load balancing mode (C:\tomcat1 and C:\tomcat2) JK 1.2.30 used to connect the Apache front end to the two tomcat instances I've trying to configure the

Re: Restrict access to Manager from local ip address (Tomcat 6.0/Windows)

2010-03-12 Thread Rob G
Charles and Mark, Thanks for your help. Your advice on removing the docBase and Resourcelink attibutes was correct and the restriction is now working correctly. I had based my changes to the conf files based on these articles:

Re: Restrict access to Manager from local ip address (Tomcat 6.0/Windows)

2010-03-12 Thread Rob G
Well I had looked at http://tomcat.apache.org/tomcat-6.0-doc/manager-howto.html#Configuring Manager Application Access. And it has the docbase attribute too... All too common, unfortunately.  Use the real Tomcat doc first, then Google.