Apache/Tomcat error - wrong pages being delivered

Question

This error has been driving me nuts. We have a server running Apache and Tomcat, serving multiple different sites. Normally the server runs fine, but sometimes an error happ

Answer 1

We switched Apache from proxying with AJP to proxying with HTTP. So far it appears to have solved the issue, or at least vastly reduced it - the problem hasn't been reported in months, and the app's use has increased since then.

The change is in Apache's httpd.conf. Having started with mod_jk:

JkMount /portal ajp13

We switched to mod_proxy_ajp:

ProxyPass /portal ajp://localhost:8009/portal

Then finally to straight mod_proxy:

ProxyPass /portal http://localhost:8080/portal

You'll need to make sure Tomcat is set up to serve HTTP on port 8080. And remember that if you're serving /, you need to include / on both sides of the proxy or it starts crying:

ProxyPass / http://localhost:8080/