Mason Cannot resolve file to component

I have already installed RT 3.8.4 , and it works fine (on a test
server). However, in the process of installing RT 3.8.4 on a new
server (production), RT’s UI fails to launch (404 Not Found). I am
getting the following error message in my Apache error_log file (my
Prod server):

“[warning]: [Mason] Cannot resolve file to component: /ngs/app/rt/
oppresso/rt-3.8.4/share/html/index.html (is file outside component
root?) at /Library/Perl/5.8.8/HTML/Mason/ApacheHandler.pm line 852. (/
Library/Perl/5.8.8/HTML/Mason/ApacheHandler.pm:852)”

I have exhausted all possibilities of finding any differences in
between the 2 servers, by comparing the config settings in between the
2 servers (i.e., httpd.conf, Rt_SiteConfig.pm), and they are
identical. I would appreciate any help.

My settings are as follows:

Mac OSX 10.5.8
RT 3.8.4
httpd-2.2.13
mod_perl-2.04
mysql-5.1.40 (<== on my Prod. server; and 5.1.37 on my Test server)

My httpd.conf attributes that are relevant to both the 2 servers (and
are similar):

     ServerName <<myhost.xx.com>>

     DocumentRoot "/ngs/app/rt/oppresso/rt-3.8.4/share/html/"

     Alias /NoAuth/images/   /ngs/app/rt/oppresso/rt-3.8.4/share/ 

html/NoAuth/images/
PerlModule Apache::DBI
PerlModule Apache2::compat
PerlSetVar MasonArgsMethod CGI
PerlRequire /ngs/app/rt/oppresso/rt-3.8.4/bin/webmux.pl

     <Directory /ngs/app/rt/oppresso/rt-3.8.4/share/html/>
             AllowOverride All
             Options Indexes ExecCGI FollowsymLinks
             Order allow,deny
             Allow from all
     </Directory>

     <Location       />
             RedirectMatch permanent (.*)/$ $1/index.html
             AddDefaultCharset UTF-8
             SetHandler perl-script
             PerlHandler RT::Mason
     </Location>

Additionally, Apache’s error_log for both the 2 servers indicate that
Mod_perl 2.0.4 is being used.

Thanks,
Behzad

Just in case others will run into this issue, I have a workaround
solution…After digging I realized this was an issue in how Mason
is being called by RT (i.e., RT’s source code “webmux.pl”, as for
some odd reason Mason’s Handler for my Prod. server is not getting
set – related line in webmux.pl is => $Handler =
RT::Interface::Web::Handler->new(RT->Config->Get(‘MasonParameters’));

The (temporary) workaround to address this issue for me, was to add
the following lines to my RT_SiteConfig.pm:

Set($MasonComponentRoot, “/path_2_your_RT/share/html”);
Set($MasonLocalComponentRoot, “/path_2_your_RT/local”);
Set($MasonDataDir, “/path_2_your_RT/var/mason_data”);
Set($MasonSessionDir, “/path_2_your_RT/var/session_data”);

I believe this is a potential bug, as my RT_Config.pm &
RT_SIteConfig.pm for the 2 servers (prior to inclusion of the above 4
lines in my Prod. server) were exactly similar .

-BehzadOn Nov 4, 2009, at 6:39 PM, Behzad Mahini wrote:

I have already installed RT 3.8.4 , and it works fine (on a test
server). However, in the process of installing RT 3.8.4 on a new
server (production), RT’s UI fails to launch (404 Not Found). I am
getting the following error message in my Apache error_log file (my
Prod server):

“[warning]: [Mason] Cannot resolve file to component: /ngs/app/rt/
oppresso/rt-3.8.4/share/html/index.html (is file outside component
root?) at /Library/Perl/5.8.8/HTML/Mason/ApacheHandler.pm line 852. (/
Library/Perl/5.8.8/HTML/Mason/ApacheHandler.pm:852)”

I have exhausted all possibilities of finding any differences in
between the 2 servers, by comparing the config settings in between the
2 servers (i.e., httpd.conf, Rt_SiteConfig.pm), and they are
identical. I would appreciate any help.

My settings are as follows:

Mac OSX 10.5.8
RT 3.8.4
httpd-2.2.13
mod_perl-2.04
mysql-5.1.40 (<== on my Prod. server; and 5.1.37 on my Test server)

My httpd.conf attributes that are relevant to both the 2 servers (and
are similar):

    ServerName <<myhost.xx.com>>

    DocumentRoot "/ngs/app/rt/oppresso/rt-3.8.4/share/html/"

    Alias /NoAuth/images/   /ngs/app/rt/oppresso/rt-3.8.4/share/

html/NoAuth/images/
PerlModule Apache::DBI
PerlModule Apache2::compat
PerlSetVar MasonArgsMethod CGI
PerlRequire /ngs/app/rt/oppresso/rt-3.8.4/bin/webmux.pl

    <Directory /ngs/app/rt/oppresso/rt-3.8.4/share/html/>
            AllowOverride All
            Options Indexes ExecCGI FollowsymLinks
            Order allow,deny
            Allow from all
    </Directory>

    <Location       />
            RedirectMatch permanent (.*)/$ $1/index.html
            AddDefaultCharset UTF-8
            SetHandler perl-script
            PerlHandler RT::Mason
    </Location>

Additionally, Apache’s error_log for both the 2 servers indicate that
Mod_perl 2.0.4 is being used.

Thanks,
Behzad


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Just in case others will run into this issue, I have a workaround
solution…After digging I realized this was an issue in how Mason
is being called by RT (i.e., RT’s source code “webmux.pl”, as for
some odd reason Mason’s Handler for my Prod. server is not getting
set – related line in webmux.pl is => $Handler =
RT::Interface::Web::Handler->new(RT->Config->Get(‘MasonParameters’));

Out of curiosity, are the disk layouts on the two servers the same? (Was
one server set up with a symlink where the other had a real directory?)

Just in case others will run into this issue, I have a workaround
solution…After digging I realized this was an issue in how
Mason
is being called by RT (i.e., RT’s source code “webmux.pl”, as for
some odd reason Mason’s Handler for my Prod. server is not getting
set – related line in webmux.pl is => $Handler =
RT::Interface::Web::Handler->new(RT->Config->Get(‘MasonParameters’));

Out of curiosity, are the disk layouts on the two servers the same?
(Was
one server set up with a symlink where the other had a real
directory?)

Disk layouts were similar, and no symlink was used.
-Behzad