[Mono-list] Using mod-mono from source

Martin Thwaites monoforum at my2cents.co.uk
Thu Jul 11 20:24:12 UTC 2013


So I've got a little further in debugging.

I think this has to do with loading applications from the commandline maybe?

I've tried running this command (looks like this is what mod_mono is trying
to run:

/usr/bin/mod-mono-server4 --filename="/tmp/mod_mono_server_test"
--applications="/test:/var/www/test/"

This gives an error saying that the applications parameter is not correct:

mod-mono-server4
Handling exception type ArgumentException
Message is Should be something like [[hostname:]port:]VPath:realpath
IsTerminating is set to True
System.ArgumentException: Should be something like
[[hostname:]port:]VPath:realpath
  at Mono.WebServer.ApplicationServer.AddApplicationsFromCommandLine
(System.String applications) [0x00000] in <filename unknown>:0
  at (wrapper remoting-invoke-with-check)
Mono.WebServer.ApplicationServer:AddApplicationsFromCommandLine (string)
  at Mono.WebServer.Apache.Server.Rea

I added a bit of debug code to the above method, and found that what's
being passed in is "applications" as a string instead of what was passed on
the commandline.  Anybody else getting this?

Thanks,
Martin

On Tue, Jul 9, 2013 at 11:31 PM, Martin Thwaites
<monoforum at my2cents.co.uk>wrote:

> Thanks mike.
>
> Couple of things though, I'm using ubuntu server, so it doesn't use
> SELinux apparently.
>
> The directory is set to a+rw (as a last resort) so permissions shouldn't
> be an issue.  I've also su'd to the www-data user and run mod-mono-server4
> directly in that directory, it worked fine.
>
> Finally, I'm not sure about the prefix thing, I'm using ./autogen.sh
> --prefix=/usr, but the downloaded code is in /opt/mono-3.0.  It doesn't
> produce the file you've specified in /etc/ld.conf.so.d, plus I'm not sure
> it's needed as I'm installing to /usr?
>
> Thanks for what you've sent so, far, any further insight based on the
> above?
>
> Martin
>
>
> On Thu, Jul 4, 2013 at 5:59 PM, Mike Morano <mmorano at mikeandwan.us> wrote:
>
>> Hello,
>>
>> I was doing something similar today - moving a working site to a
>> different machine (running a new fedora19 install).  Your issue sounds a
>> bit different from mine, but thought I'd send some of the things that
>> caught me when getting this up and running again in apache:
>>
>> 1) selinux - although I don't know what a good fix for this is, i had to
>> disable selinux.
>>   - edit /etc/selinux/config:  SELINUX=disabled
>>   - reboot (perhaps there is a way to reload the config if not done
>> manually, but my machine is not a production server)
>>
>> 2) mono prefix location
>>   - I compile all of mono to a unique prefix on my machine:  /opt/mono-3.0
>>   - When I ran apache, was getting issue where it could not find
>> libmonoPosixHelper.so.  To fix this, I did the following:
>>        a) cd /etc/ld.so.conf.d/
>>        b) echo '/opt/mono-3.0/lib' > mod_mono.conf
>>        c) ldconfig
>>        d) systemctl restart httpd.service   (restart apache - not sure if
>> this is the same as what you would need to do on ubuntu)
>>
>>
>> In terms of permissions, I had previously made sure that the user that
>> runs apache has appropriate access to the directory structure hosting the
>> site.  On my system, that is the apache user/group.  Just make sure the
>> directory hosting the site and parent paths are accessible.
>>
>> Also, I have a couple extra settings in my apache config, so perhaps take
>> a look at this in the mod_mono man pages to see if it helps:  MonoWapiDir,
>> MonoUnixSocket.  In particular, make sure apache has rw acess to the
>> location pointed to by MonoWapiDir.
>>
>>
>> After the above was completed, my site worked via apache on the new
>> machine.
>>
>> Good luck,
>> Mike
>>
>>
>> On Wed, Jul 3, 2013 at 9:21 PM, Danny <dgortonii at gmail.com> wrote:
>>
>>> No idea.
>>>
>>>
>>> On 07/03/2013 05:30 PM, Martin Thwaites wrote:
>>>
>>>> Is this message not getting through? is it just that no one knows the
>>>> answer, can someone just send a simple "No idea" so I know this is
>>>> getting through.  It's the first time I've used the list.
>>>>
>>>>
>>>> On Mon, Jul 1, 2013 at 9:49 PM, Martin Thwaites
>>>> <monoforum at my2cents.co.uk <mailto:monoforum at my2cents.co.**uk<monoforum at my2cents.co.uk>>>
>>>> wrote:
>>>>
>>>>     I'm trying to get mono working from source so i can try and get some
>>>>     .net 4.5 website stuff working.  I'm using Ubuntu Server 13.04, and
>>>>     I followed this:
>>>>
>>>>     http://stackoverflow.com/**questions/13365158/installing-**mono-3-0<http://stackoverflow.com/questions/13365158/installing-mono-3-0>
>>>>
>>>>     Apart from the libgdiplus, I can get everything to compile, however,
>>>>     when I've installed mod_mono, I keep getting the following in the
>>>> log...
>>>>
>>>>     [Mon Jul 01 21:20:57 2013] [error] Failed to connect to
>>>>     mod-mono-server after several attempts to spawn the process.
>>>>
>>>>     I enable debug on the compile and got this in the logs..
>>>>
>>>>     [Mon Jul 01 21:20:55 2013] [warn] getting unix socket path
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Socket file name
>>>>     /tmp/mod_mono_server_**GalleryLive
>>>>     [Mon Jul 01 21:20:55 2013] [warn] try_connect: -1
>>>>     [Mon Jul 01 21:20:55 2013] [warn] After setup_socket
>>>>     [Mon Jul 01 21:20:55 2013] [warn] No backend found, will start a new
>>>>     copy.
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Acquiring the
>>>>     /tmp/mod_mono_dashboard_**GalleryLive_2.lock lock for backend start
>>>>     [Mon Jul 01 21:20:55 2013] [warn] config->servers [0]->dashboard ==
>>>> 0x0
>>>>     [Mon Jul 01 21:20:55 2013] [warn] config->servers [1]->dashboard ==
>>>>     0x7F2F61407000
>>>>     [Mon Jul 01 21:20:55 2013] [warn] xsp address 0x7f2f6599c6c8,
>>>>     dashboard 0x7f2f61407000
>>>>     [Mon Jul 01 21:20:55 2013] [warn] getting unix socket path
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Socket file name
>>>>     /tmp/mod_mono_server_**GalleryLive
>>>>     [Mon Jul 01 21:20:55 2013] [warn] try_connect: -1
>>>>     [Mon Jul 01 21:20:55 2013] [warn] backend cannot be connected to.
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Starting backend for alias
>>>> GalleryLive
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Applications: /:/var/www/gallery/
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Config file: (null)
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Config dir.: (null)
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Listen port: (null)
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Listen address: (null)
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Started new backend, sleeping 2s
>>>>     to let it configure
>>>>     [Mon Jul 01 21:20:55 2013] [warn] child started
>>>>     [Mon Jul 01 21:20:55 2013] [warn] PATH: /usr/local/bin:/usr/bin:/bin
>>>>     [Mon Jul 01 21:20:55 2013] [warn] serverdir: /usr/bin
>>>>     [Mon Jul 01 21:20:55 2013] [warn] PATH after:
>>>>     /usr/bin:/usr/local/bin:/usr/**bin:/bin
>>>>     [Mon Jul 01 21:20:55 2013] [warn] getting unix socket path
>>>>     [Mon Jul 01 21:20:55 2013] [warn] Backend socket path:
>>>>     /tmp/mod_mono_server_**GalleryLive
>>>>     Warning: unparsed command line arguments:
>>>>     /tmp/mod_mono_server_**GalleryLive /:/var/www/gallery/
>>>>
>>>>
>>>>     It seems there there is no "/tmp/mod_mono_server_**GalleryLive"
>>>> socket
>>>>     for it to connect to, so the error makes sense, but I can't see why
>>>>     this is the case.
>>>>
>>>>     I can run mod-mono-server4 from the desired directory, and it seems
>>>>     to run fine.
>>>>
>>>>     I've run sites using mod-mono from the repos before, but this is the
>>>>     first time I've compiled from source.
>>>>
>>>>     vhost config is (this is also copied some a server using the repos
>>>>     and is working):
>>>>
>>>>     <VirtualHost *:80>
>>>>              ServerAdmin webmaster at localhost
>>>>              ServerName gallery.internal.com <
>>>> http://gallery.internal.com>
>>>>
>>>>
>>>>              DocumentRoot /var/www/gallery/
>>>>              MonoServerPath GalleryLive "/usr/bin/mod-mono-server4"
>>>>
>>>>              MonoApplications GalleryLive "/:/var/www/gallery/"
>>>>              <Location "/">
>>>>                      Allow from all
>>>>                      Order allow,deny
>>>>                      MonoSetServerAlias GalleryLive
>>>>                      SetHandler mono
>>>>              </Location>
>>>>
>>>>              ErrorLog /var/log/apache2/error.log
>>>>
>>>>              # Possible values include: debug, info, notice, warn,
>>>>     error, crit,
>>>>              # alert, emerg.
>>>>              LogLevel debug
>>>>
>>>>              CustomLog /var/log/apache2/access.log combined
>>>>
>>>>     </VirtualHost>
>>>>
>>>>     I'm thinking that this could be a permissions error somewhere, but
>>>>     I've run out of places to look.
>>>>
>>>>     Any ideas?
>>>>
>>>>
>>>>
>>>>
>>>> ______________________________**_________________
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>>>>
>>>>  ______________________________**_________________
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>>>
>>
>>
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