Apache - mod_rewrite

Hello

RedHat AS 4.0
TeamSite 6.7.1

We are using SSIs in our html content. Currently the paths to the includes are configured relative to where the HTML file exists (include virtual="../_includes/_header.html" -->). We'd like to make this path relative to the docroot (include virtual="/www/_includes/_header.html" -->). However when we make the path relative from the docroot, in the error_log we get errors that the file doesn't exist b/c it is not looking for the file from the workarea docroot, but from the DocumentRoot directive in httpd.conf.

[Mon Mar 26 09:51:41 2007] [error] [client 10.251.0.57] File does not exist: /var/www/html/test, referer: http://interwovendev/iw-cc/command/iw.ccpro.list_directory?vpath=//interwovendev/default/main/test/WORKAREA/www
[Mon Mar 26 09:51:41 2007] [error] [client 10.251.0.57] unable to include "/test/include.ssi" in parsed file /iwmnt/default/main/test/WORKAREA/www/test.html, referer: http://interwovendev/iw-cc/command/iw.ccpro.list_directory?vpath=//interwovendev/default/main/test/WORKAREA/www

In our httpd.conf file, indeed our docroot is set to DocumentRoot "/var/www/html". We have created the necessary alias for /iwmnt

Alias /iw-mount/ "/iwmnt/"
Directory "/iwmnt">
EnableSendfile Off
XBitHack on
Options All
AllowOverride None
Order allow,deny
Allow from all
/Directory>

In the iw.cfg file we have set up the docroot

[iwproxy_remap]
Test_Site=/main/test

[Test_Site]
_docroot=/

We've also tried to play around with the mod_rewrite but it is a bit confusing. For one the errors in the RewriteLog don't correspond to the error_log. It actually looks like the branch and wa are being found...

10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (2) init rewrite engine with requested uri /iw-mount/default/main/test/WORKAREA/www/test.html
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (3) applying pattern '.' to uri '/iw-mount/default/main/test/WORKAREA/www/test.html'
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (5) map lookup OK: map=urlencode key=/iw-mount/default/main/test/WORKAREA/www/test.html -> val=/iw-mount/default/main/test/WORKAREA/www/test.html
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (5) setting env variable 'url' to '/iw-mount/default/main/test/WORKAREA/www/test.html'
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (3) applying pattern '.' to uri '/iw-mount/default/main/test/WORKAREA/www/test.html'
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (4) RewriteCond: input='' pattern='.' => not-matched
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (3) applying pattern '.' to uri '/iw-mount/default/main/test/WORKAREA/www/test.html'
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (4) RewriteCond: input='false' pattern='=false' => matched
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (3) applying pattern '.' to uri '/iw-mount/default/main/test/WORKAREA/www/test.html'
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (4) RewriteCond: input='/iw-mount/default/main/test/WORKAREA/www/test.html' pattern='^(/iw-mount/.*/(((WORKAREA|EDITION)/[^/]+)|STAGING))/' => matched
10.251.0.57 - - [26/Mar/2007:14:37:15 --0700] [interwovendev/sid#9031e78][rid#93276f0/initial] (5) setting env variable 'iwarea' to '/iw-mount/default/main/test/WORKAREA/www'

Does anyone have an experience in dealing with these issues? Is this an issue that can be resolved with mod_rewrite or is it more simple, can this be fixed with proxy statements in iw.cfg?

Thanks
Rob

Find more posts tagged with

Comments

Migrateduser

On one of my Solaris TeamSite servers I know I ran into the same problem when I upgraded the preview server from apache 1.3 to 2.x.

I avoided mod_rewrite and just made these related entries in my httpd.conf to get our SSI's working again.

AddType text/html .html
AddHandler server-parsed .html
...
Alias /iw-mount/ /.iwmnt/
...
Directory "/.iwmnt"\>
Options Indexes FollowSymLinks ExecCGI Includes
...
AllowOverride None
Order allow,deny
Allow from all
/Directory>

Hope that helps.

-Eric

Rob76

Thanks for the suggestion. No luck.

To simplify things .shtml files don't work either. If i manually copy the include file into the default web root /var/www/html then it works. This is consistant with the error message I see in the error_log file.

I need to somehow tell the apache server, any SSI requests that are being served from TeamSite at the root, serve from the TeamSite root workarea, and not the default DocumentRoot.

Do you mind sharing your httpd.conf file?

Thanks
Rob

Johnny

It's been a while and I don't have a machine to test - but if you attach the httpd.conf and iw_ts_rewrite (can't remember the exact name) - I can have a quick look at it for you.

Johnny

Also - have a look at this post.
Somewhere in the middle there is an example of setting up the rewrite rules for different docroots.

Migrateduser

Hmmm, which apache version are you using?

In Apache 2.x I think you need both mod_rewrite.so and mod_iw_ts_rewrite.so

https://support.interwoven.com/kb/kb_show_article2.asp?ArticleID=58410

Also here is more help with mod_rewrite

https://support.interwoven.com/kb/kb_show_article2.asp?ArticleID=51890

-Eric

Rob76

The version of Apache is 2.0.52

I read through those support acticles. Article 2241 on the IWOV support site references the issue...

For this reason a web server plugin is needed to provide the functionality that is provided by the TeamSite proxy (specifically remapping of the docroot for SSI's or redirection of SSI's). The default is to look for virtual paths in SSI's starting from the docroot of the web server doing the parsing. The plugin by default remaps the docroot for SSI's to the root of the workarea.

This is exactly our issue.

So based on the support articles I should be using module "mod_a2_iw_ts_vpath.so" to take care of the docroot issue based on the Apache version (2.0.52).

So I compiled "mod_a2_iw_ts_vpath.c" following the instuctions in the source code.

* cd /tmp
* apxs -i -a -c mod_a2_iw_ts_vpath.c
* apachectl stop
* apachectl start

I then checked the comiled in modules, and that looked correct, looking for mod_so

[root@interwovendev tmp]# /usr/sbin/httpd -l
Compiled in modules:
core.c
prefork.c
http_core.c
mod_so.c

I then loaded the module into httpd.conf and got no errors.

LoadModule a2_iw_ts_vpath_module /usr/lib/httpd/modules/mod_a2_iw_ts_vpath.so

However, I'm getting the same errors as before in the error_log, the include is not being remapped to the workarea docroot.

Is there anyway to check to see if the module is running? I didn't see any mention of it when I restarted Apache in the error_log.

I also tried using AddModule but it looks like that directive was used only with 1.3.x versions of Apache.

I also tried switching the order of the mod_rewrite module in httpd.conf. No difference.

LoadModule a2_iw_ts_vpath_module /usr/lib/httpd/modules/mod_a2_iw_ts_vpath.so
LoadModule rewrite_module modules/mod_rewrite.so

ccprofessional

Rob76, can you check if your mod_rewrite module is able to successfully rewrite SSI urls?

Basically, take Teamsite out of the picture and check if mod_rewrite rules are working.

Johnny

How old is that tech article? The last time I spoke to support about this, back in 2003, they recommended I use the mod rewrite directives included iwhome/etc/httpd instead of the interwoven apache module.

Have you tried using the mod rewrite approach?

ccprofessional

In Apache 2x for SSI virtualization you have no option but to use mod_rewrite.

I believe for Apache 1.3x you can use iw_ts_mod_rewrite and not use mod_rewrite.

Anyhow, let us know if mod_rewrite rules are working at all (outside of TS).