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Tuesday, February 5. 2008
Be Careful with / in ProxyPass
I use the built-in Apache 2.2 ajp ProxyPass support when deploying Tomcat and JBoss applications via Apache. When doing so, be careful your slashes match up or you can have subtle problems with applications which use redirects. For example, I was deploying a JSPWiki but having an odd problem with authentication where logins would seem to fail but then work fine if I manually reloaded the page. I was using this Apache configuration:
This appeared to work fine, but when logging in an extra slash would get added to the Login.jsp redirection page. This kept the redirect to the main page from working, causing it to reload the Login.jsp infinitely even though login had been successful. A manual click of the reload button fixed the site, with authentication and all other functions working until trying to log in again.
Removing the extra slashes as shown fixed this issue.
ProxyPass /webdevwiki ajp://127.0.0.1:8009/webdevwiki/
ProxyPassReverse /webdevwiki ajp://127.0.0.1:8009/webdevwiki/This appeared to work fine, but when logging in an extra slash would get added to the Login.jsp redirection page. This kept the redirect to the main page from working, causing it to reload the Login.jsp infinitely even though login had been successful. A manual click of the reload button fixed the site, with authentication and all other functions working until trying to log in again.
ProxyPass /webdevwiki ajp://127.0.0.1:8009/webdevwiki
ProxyPassReverse /webdevwiki ajp://127.0.0.1:8009/webdevwikiRemoving the extra slashes as shown fixed this issue.
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