While I was attempting to use rewrite and jk i found that you need to load the jk module before the rewrite module, so be warned ;)
On Jan 9, 2008 10:53 AM, Rainer Jung <[EMAIL PROTECTED]> wrote: > Hi Edwin, > > Edwin Walsh wrote: > > Hi, > > > > First of all I would like to mention that this is my first post on this > > list, I hope that this question is posted in the right place. I have > > tried finding a solution for my problem, but it either doesn't exist, or > > my limited brain can't manage to figure out how to do it (I strongly > > hope it is the latter) > > In fact the solution to the problem is non-trivial :) > > > > The situation is the following: > > Currently we have several web applications running on a Tomcat 6 server. > > For the sake of this explanation I will call then web1 and web2. > > I have apache set up to use jkmount to forward requests from the apache > > server to the tomcat server. The problem is that I can only get apache > > to forward things like www.esat.kuleuven.be/web1 and > > www.esat.kuleuven.be/web2. > > > > I would like to be able to forward things like > > www.esat.kuleuven.be//somefancyname//web1 to the same application on the > > Tomcat server. > > > > I know this is possible with ProxyPassReverse in apache, but I would > > like to be able to do this with jkmount so that I keep the possibility > > to easily jump to a backup server if the main server goes down (Tomcat > > crashes more often for us then the http server does). > > > > To add to the problem, the web applications I am talking about are > > updates from earlier versions. We still have the older versions running > > on older versions of Tomcat and the forwarding rules of > > www.esat.kuleuven.be/web1 need to continue to point to the old server. > > > > As far as I can tell using the location tag in the apache conf file will > > not help since it seems to me that jkmount takes that location as a > > parameter to forward to Tomcat. And since my application is called web1 > > and not somefancyname/web1 it cant find it in the web applications folder. > > > > Using a subdomain in a virtualhost could probably fix the problem in a > > way that I could use /somefancyname/.esat.kuleuven.be/web1 for the new > > web application, but it is very unlikely that our system administrators > > will allow us to set up this subdomain. And even if they would it isn't > > really the url I was hoping for. > > > > So in sumary, what I would like is 2 types of links: > > www.esat.kuleuven.be/web1 to point to the older web application > > www.esat.kuleuven.be//somefancyname//web1 to point to the new web > > application (both have the same name but are on a different tomcat server) > > I think the solution should have 2 ingredients: > > 1) Make sure, that /web/ and /something/web match different JkMounts > > JkMount /web1|/* oldworker > JkMount /?*/web1|/* newworker > > "?" matches one character, so the second rule won't match /web1/..., > except for "/web1/.../web1/..." > > The "|" character is a shortcut form for 2 rules in one: > > JkMount /web1|/* oldworker > > is equivalent to > > JkMount /web1 oldworker > JkMount /web1/* oldworker > > 2) Rewrite request to remove "/something" before forwarding > > Have a look at mod_rewrite. With mod_rewrite you can change the URL with > a pattern based syntax. In order to forward the changed URL and not the > original URL through mod_jk, you need to also set the pass through flag > "[PT]" in mod_rewrite > > Now the only thing I'm not sure at the moment is, if in case you rewrite > the URL via mod_rewrite, the JkMounts are handeled before the rewrite > (then this should work) or after (then it would obvisouly not). > > Play around a bit with the ideas, set JkLogLevel to debug and use a > RewriteLog with a high level, so you can follow the URL manipulation and > mapping in the log. > > If rewrite is done before JkMount, we'll have another solution :) > > > Any help would be welcome. > > With kind regards, > > Edwin > > Regards, > > Rainer > > > --------------------------------------------------------------------- > To start a new topic, e-mail: users@tomcat.apache.org > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
