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Subject: RE: Apache DirectoryIndex and mod_jk ForwardDirectories not playing
 nicely
Date: Mon, 6 Oct 2008 12:56:47 -0500
Message-ID: 
 <E8D20F99F11CBB4EB17AEE3FF2079E0702BE4F90@usplm212.amer.corp.eds.com>
In-Reply-To: 
 <E8D20F99F11CBB4EB17AEE3FF2079E0701FED431@usplm212.amer.corp.eds.com>
thread-topic: Apache DirectoryIndex and mod_jk ForwardDirectories not playing
 nicely
thread-index: Ackk6cB+3U3qcd18Tsi7mpVgzGdMPQC8ob2w
References: 
 <E8D20F99F11CBB4EB17AEE3FF2079E0701FED431@usplm212.amer.corp.eds.com>
From: "Townsley, Charlotte" <charlotte.townsley@eds.com>
To: "Tomcat Users List" <users@tomcat.apache.org>

Hello all,=20

I haven't received any replies, probably because I didn't explain the
problem very clearly.=20
=20
I created a "band aid" for the problem I encountered with mod_jk and
apache not handling DirectoryIndex correctly.  Essentially I used
mod_rewrite to check for index.shtml and pass to index.page when needed.


If anyone has any other ideas, please let me know. This is not my area
of expertise.=20


Here is what I did with mod_rewrite:
__________________________________________
These two lines are the existing mod rewrites.  It just disables TRACE
and TRACK HTTP methods as a security precaution.

RewriteCond %{REQUEST_METHOD} ^(TRACE|TRACK)
RewriteRule .* - [F]
____________________________________________
These next three are for directory requests:
  line 1: if DocRoot/Requested-File is a directory
  line 2: and if DocRoot/Requested-Directory does not contain
index.shtml
  line 3: rewrite request to Requested-Directory/index.page
=20
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_FILENAME} -d
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_FILENAME}//index.shtml !-f
RewriteRule / %{REQUEST_URI}index.page [L,NC,QSA,R=3D301]

______________________________________________
And these two handle the default document when index.shtml does not
exist.
  line 1: if DocRoot/EDS/index.shtml does not exist
  line 2: and request is "/", then rewrite request for "EDS/index.page"=20
=20
RewriteCond %{DOCUMENT_ROOT}/EDS/index.shtml !-f
RewriteRule ^/$ %{REQUEST_URI}EDS/index.page [L,NC,QSA,R=3D301]
=20
______________________________________________

The downside for this is our virtual Host entries have grown with the
addition of the rules. =20
=20
<VirtualHost 10.5.128.143:80>
 ServerAdmin admin@domain.com
 DocumentRoot /cust/IBMHttpServer/htdocs/egov
 ServerName www.domain.us
 ScriptAlias /cgi-bin /cust/IBMHttpServer/cgi-bin
 DirectoryIndex /EDS/index.shtml
 CheckSpelling off
 RewriteEngine on
 RewriteCond %{REQUEST_METHOD} ^(TRACE|TRACK)
 RewriteRule .* - [F]
 RewriteCond %{DOCUMENT_ROOT}%{REQUEST_FILENAME} -d
 RewriteCond %{DOCUMENT_ROOT}%{REQUEST_FILENAME}//index.shtml !-f
 RewriteRule / %{REQUEST_URI}index.page [L,NC,QSA,R=3D301]
 RewriteCond %{DOCUMENT_ROOT}/EDS/index.shtml !-f
 RewriteRule ^/$ %{REQUEST_URI}EDS/index.page [L,NC,QSA,R=3D301]
 JkMount  /*.page ajp13
 JkOptions -ForwardDirectories
</VirtualHost>

Charlotte Townsley
Information Analyst - Web Developer=20


-----Original Message-----
From: Townsley, Charlotte [mailto:charlotte.townsley@eds.com]=20
Sent: Thursday, October 02, 2008 5:18 PM
To: users@tomcat.apache.org
Subject: Apache DirectoryIndex and mod_jk ForwardDirectories not playing
nicely

=20
=20
I'm trying to configure mod_jk 1.2.16.with Apache 1.3.26 and tomcat
5.0.28 on Solaris 9. I compiled the mod_jk from source for the Apache
version. Unfortunately, I'm stuck with this environment.=20
=20
Behavior with mod_jk ForwardDirectories:
=20
When index.shtml exists

*=09
	GOOD http://www.domain.com/EDS/index.shtml -> Loads as desired
*=09
	GOOD http://www.domain.com/EDS/index.page  -> Loads as desired
*=09
	FAIL http://www.domain.com/EDS -> Pulls index.page from Tomcat,
ignoring Apache DirectoryIndex
*=09
	FAIL http://www.domain.com/EDS/ -> Pulls index.page from Tomcat,
ignoring Apache DirectoryIndex
*=09
	FAIL http://www.domain.com/ -> Displays Tomcat site chooser,
ignoring Apache DirectoryIndex (which would display EDS/index.shtml)=20

And now when index.shtml does not exist

*	GOOD http://www.domain.com/EDS -> Pulls index.page from Tomcat,
ignoring Apache DirectoryIndex=20
*	GOOD http://www.domain.com/EDS/ -> Pulls index.page from Tomcat,
ignoring Apache DirectoryIndex=20
*	GOOD http://www.domain.com/ -> Displays Tomcat site chooser,
ignoring Apache DirectoryIndex (which would display EDS/index.shtml)


Behavior without mod_jk ForwardDirectories option:
=20
When index.shtml exists

*=09
	GOOD http://www.domain.com/EDS/index.shtml -> Loads as desired
*=09
	GOOD http://www.domain.com/EDS/index.page  -> Loads as desired
*=09
	GOOD http://www.domain.com/EDS -> Pulls index.shtml from Apache
DirectoryIndex
*=09
	GOOD http://www.domain.com/EDS/ -> Pulls index.shtml from Apache
DirectoryIndex
*=09
	GOOD http://www.domain.com/ -> Displays /EDS/index.shtml

And now when index.shtml does not exist

*=09
	FAIL http://www.domain.com/EDS -> Apache Access Denied error
(does not send request for directory "EDS" to Tomcat)
*=09
	FAIL http://www.domain.com/EDS/ -> Apache Access Denied error
(does not send request for directory "EDS" to Tomcat)
*=09
	FAIL http://www.domain.com/ -> Apache Access Denied error (does
not send request for directory "EDS" to Tomcat)

Relevant apache configuration:
LoadModule jk_module libexec/mod_jk.so.0.0.0 JkWorkersFile
/cust/IBMHttpServer/conf/jk/worker.properties
JkShmFile       /cust/IBMHttpServer/logs/mod_jk.shm
JkLogFile        /cust/IBMHttpServer/logs/mod_jk.log
JkLogLevel      debug
JkLogStampFormat "[%a %b %d %H:%M:%S %Y] "
JkMount  /*.page ajp13
JkOptions +ForwardDirectories
=20
<VirtualHost 10.10.10.10:80>
DocumentRoot /cust/IBMHttpServer/htdocs/data ServerName www.domain.com
ScriptAlias /cgi-bin /cust/IBMHttpServer/cgi-bin DirectoryIndex
/EDS/index.shtml CheckSpelling off RewriteEngine on RewriteCond
%{REQUEST_METHOD} ^(TRACE|TRACK) RewriteRule .* - [F] JkMount  /*.page
ajp13 </VirtualHost>
=20
=20
mod_jk.log log entries for a request '/EDS/' when 'index.shtml' should
be displayed from the Apache DocumentRoot:
=20
[Thu Oct 02 17:05:37 2008] [24767:0] [debug]
map_uri_to_worker::jk_uri_worker_map.c (682): Attempting to map URI
'/EDS/' from 1 maps [Thu Oct 02 17:05:37 2008] [24767:0] [debug]
find_match::jk_uri_worker_map.c (503): Attempting to map context URI
'/*.page=3Dajp13' source 'JkMount'
[Thu Oct 02 17:05:37 2008] [24767:0] [debug] jk_translate::mod_jk.c
(2868): no match for /EDS/ found [Thu Oct 02 17:05:37 2008] [24767:0]
[debug] map_uri_to_worker::jk_uri_worker_map.c (682): Attempting to map
URI '/EDS/index.shtml' from 1 maps [Thu Oct 02 17:05:37 2008] [24767:0]
[debug] find_match::jk_uri_worker_map.c (503): Attempting to map context
URI '/*.page=3Dajp13' source 'JkMount'
[Thu Oct 02 17:05:37 2008] [24767:0] [debug] jk_translate::mod_jk.c
(2868): no match for /EDS/index.shtml found [Thu Oct 02 17:05:37 2008]
[24767:0] [debug] jk_fixups::mod_jk.c (2947): ForwardDirectories on:
/EDS/ [Thu Oct 02 17:05:37 2008] [24767:0] [debug]
map_uri_to_worker::jk_uri_worker_map.c (682): Attempting to map URI
'/EDS/' from 1 maps [Thu Oct 02 17:05:37 2008] [24767:0] [debug]
find_match::jk_uri_worker_map.c (503): Attempting to map context URI
'/*.page=3Dajp13' source 'JkMount'
[Thu Oct 02 17:05:37 2008] [24767:0] [debug] jk_translate::mod_jk.c
(2772): Manual configuration for /EDS/ ajp13 [Thu Oct 02 17:05:37 2008]
[24767:0] [debug] wc_get_worker_for_name::jk_worker.c (115): found a
worker ajp13 [Thu Oct 02 17:05:37 2008] [24767:0] [debug]
wc_maintain::jk_worker.c (323): Maintaining worker ajp13 [Thu Oct 02
17:05:37 2008] [24767:0] [debug] wc_get_name_for_type::jk_worker.c
(292): Found worker type 'ajp13'
[Thu Oct 02 17:05:37 2008] [24767:0] [debug] init_ws_service::mod_jk.c
(865): Service protocol=3DHTTP/1.1 method=3DGET host=3D(null)
addr=3D71.245.103.180 n ame=3Dwww.domain.com port=3D80 auth=3D(null) =
user=3D(null)
laddr=3D10.5.128.143 raddr=3D10.20.20.20 uri=3D/EDS/ [Thu Oct 02 =
17:05:37
2008] [24767:0] [debug] ajp_get_endpoint::jk_ajp_common.c (2579):
acquired connection pool slot=3D0 [Thu Oct 02 17:05:37 2008] [24767:0]
[debug] ajp_marshal_into_msgb::jk_ajp_common.c (553): ajp marshaling
done [Thu Oct 02 17:05:37 2008] [24767:0] [debug]
ajp_service::jk_ajp_common.c (2050): processing ajp13 with 2 retries
[Thu Oct 02 17:05:37 2008] [24767:0] [debug]
ajp_connection_tcp_send_message::jk_ajp_common.c (934): sending to ajp13
pos=3D4 len=3D411 max=3D8192
=20
Does anyone have any ideas? I tried increasing the Apache log level to
debug, thinking it could be a mod_dir problem, but there was no
additional logging output.=20

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