Re: Error 503 on Apache - Failed to connect to mod-mono-server after several attempts to spawn the process

> Get the srpm for the mod_mono module, modify the spec file to configure the sources
> with --enable-debug. Install the new rpm and run your app - the apache error log
> should contain more information. Basically what's happening is that either the
> mod-mono-server.exe backend isn't found or that it's failing at the start for some
> reason (sigabrt, sigsegv etc). You might want to use the strace tool to attach to
> the apache process and have it follow forks (-f or -ff if you want separate files)
> to see if the mod-mono-server process is started at all.

Hi, i rebuilt mod_mono with:
 
# make uninstall; make clean
# ./configure --prefix=/opt/mono --with-mono-prefix=/opt/mono --with-apr-config=/usr/lib/httpd/modules --enable-debug
# make; make install

I now get the following in the error log, however i cant see why it is failing:
 
[root@support httpd]# cat logs/error_log
[Wed Jul 16 03:15:30 2008] [notice] SELinux policy enabled; httpd running as context root:system_r:httpd_t:s0
[Wed Jul 16 03:15:30 2008] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Wed Jul 16 03:15:30 2008] [warn] creating mono server config
[Wed Jul 16 03:15:30 2008] [warn] Temporarily switching to target uid/gid
[Wed Jul 16 03:15:30 2008] [warn] creating dashboard mutex = /tmp/mod_mono_dashboard_XXGLOBAL_1.lock
[Wed Jul 16 03:15:30 2008] [warn] Requested locking mechanism name: (null)
[Wed Jul 16 03:15:30 2008] [warn] Setting mutex permissions for /tmp/mod_mono_dashboard_XXGLOBAL_1.lock
[Wed Jul 16 03:15:30 2008] [warn] removing dashboard file '/tmp/mod_mono_dashboard_XXGLOBAL_1'
[Wed Jul 16 03:15:30 2008] [warn] creating dashboard '/tmp/mod_mono_dashboard_XXGLOBAL_1'
[Wed Jul 16 03:15:30 2008] [warn] Switching back to root
[Wed Jul 16 03:15:30 2008] [warn] creating dir config for (null)
[Wed Jul 16 03:15:30 2008] [notice] Digest: generating secret for digest authentication ...
[Wed Jul 16 03:15:30 2008] [notice] Digest: done
[Wed Jul 16 03:15:30 2008] [warn] Initializing handler
[Wed Jul 16 03:15:30 2008] [warn] Socket file name /tmp/mod_mono_server_global
[Wed Jul 16 03:15:30 2008] [warn] try_connect: -1
[Wed Jul 16 03:15:30 2008] [warn] forking XXGLOBAL
[Wed Jul 16 03:15:30 2008] [warn] Applications: (null)
[Wed Jul 16 03:15:30 2008] [warn] Config file: (null)
[Wed Jul 16 03:15:30 2008] [warn] Config dir.: (null)
[Wed Jul 16 03:15:30 2008] [warn] Listen port: (null)
[Wed Jul 16 03:15:30 2008] [warn] Listen address: (null)
[Wed Jul 16 03:15:30 2008] [warn] switching forked process group to 48
[Wed Jul 16 03:15:30 2008] [warn] switching forked process user to apache
[Wed Jul 16 03:15:30 2008] [warn] child started
[Wed Jul 16 03:15:30 2008] [warn] PATH: /sbin:/usr/sbin:/bin:/usr/bin
[Wed Jul 16 03:15:30 2008] [warn] serverdir: /opt/mono/bin
[Wed Jul 16 03:15:30 2008] [warn] PATH after: /opt/mono/bin:/sbin:/usr/sbin:/bin:/usr/bin
[Wed Jul 16 03:15:30 2008] [notice] Apache/2.2.3 (CentOS) configured -- resuming normal operations
[Wed Jul 16 03:16:05 2008] [warn] config = 0x99bd380
[Wed Jul 16 03:16:05 2008] [warn] dir_config = 0x99bd798
[Wed Jul 16 03:16:05 2008] [warn] idx = -1
[Wed Jul 16 03:16:05 2008] [warn] Alias not found. Checking for auto-applications.
[Wed Jul 16 03:16:05 2008] [warn] Socket file name /tmp/mod_mono_server_global
[Wed Jul 16 03:16:05 2008] [warn] try_connect: -1
[Wed Jul 16 03:16:05 2008] [warn] After setup_socket
[Wed Jul 16 03:16:05 2008] [warn] No backend found, will start a new copy.
[Wed Jul 16 03:16:05 2008] [warn] Acquiring the /tmp/mod_mono_dashboard_XXGLOBAL_1.lock lock for backend start
[Wed Jul 16 03:16:05 2008] [warn] Socket file name /tmp/mod_mono_server_global
[Wed Jul 16 03:16:05 2008] [warn] try_connect: -1
[Wed Jul 16 03:16:05 2008] [warn] forking XXGLOBAL
[Wed Jul 16 03:16:05 2008] [warn] Applications: (null)
[Wed Jul 16 03:16:05 2008] [warn] Config file: (null)
[Wed Jul 16 03:16:05 2008] [warn] Config dir.: (null)
[Wed Jul 16 03:16:05 2008] [warn] Listen port: (null)
[Wed Jul 16 03:16:05 2008] [warn] Listen address: (null)
[Wed Jul 16 03:16:05 2008] [warn] child started
[Wed Jul 16 03:16:05 2008] [warn] PATH: /sbin:/usr/sbin:/bin:/usr/bin
[Wed Jul 16 03:16:05 2008] [warn] serverdir: /opt/mono/bin
[Wed Jul 16 03:16:05 2008] [warn] PATH after: /opt/mono/bin:/sbin:/usr/sbin:/bin:/usr/bin
[Wed Jul 16 03:16:05 2008] [warn] Started new backend, sleeping 2s to let it configure
[Wed Jul 16 03:16:07 2008] [warn] Socket file name /tmp/mod_mono_server_global
[Wed Jul 16 03:16:07 2008] [warn] try_connect: -1
[Wed Jul 16 03:16:07 2008] [warn] After setup_socket
[Wed Jul 16 03:16:07 2008] [warn] No backend found, will start a new copy.
[Wed Jul 16 03:16:07 2008] [warn] Acquiring the /tmp/mod_mono_dashboard_XXGLOBAL_1.lock lock for backend start
[Wed Jul 16 03:16:07 2008] [warn] Socket file name /tmp/mod_mono_server_global
[Wed Jul 16 03:16:07 2008] [warn] try_connect: -1
[Wed Jul 16 03:16:07 2008] [warn] forking XXGLOBAL
[Wed Jul 16 03:16:07 2008] [warn] Applications: (null)
[Wed Jul 16 03:16:07 2008] [warn] Config file: (null)
[Wed Jul 16 03:16:07 2008] [warn] Config dir.: (null)
[Wed Jul 16 03:16:07 2008] [warn] Listen port: (null)
[Wed Jul 16 03:16:07 2008] [warn] Listen address: (null)
[Wed Jul 16 03:16:07 2008] [warn] child started
[Wed Jul 16 03:16:07 2008] [warn] PATH: /sbin:/usr/sbin:/bin:/usr/bin
[Wed Jul 16 03:16:07 2008] [warn] serverdir: /opt/mono/bin
[Wed Jul 16 03:16:07 2008] [warn] PATH after: /opt/mono/bin:/sbin:/usr/sbin:/bin:/usr/bin
[Wed Jul 16 03:16:07 2008] [warn] Started new backend, sleeping 2s to let it configure
[Wed Jul 16 03:16:09 2008] [warn] Socket file name /tmp/mod_mono_server_global
[Wed Jul 16 03:16:09 2008] [warn] try_connect: -1
[Wed Jul 16 03:16:09 2008] [warn] After setup_socket
[Wed Jul 16 03:16:09 2008] [warn] No backend found, will start a new copy.
[Wed Jul 16 03:16:09 2008] [warn] Acquiring the /tmp/mod_mono_dashboard_XXGLOBAL_1.lock lock for backend start
[Wed Jul 16 03:16:09 2008] [warn] Socket file name /tmp/mod_mono_server_global
[Wed Jul 16 03:16:09 2008] [warn] try_connect: -1
[Wed Jul 16 03:16:09 2008] [warn] forking XXGLOBAL
[Wed Jul 16 03:16:09 2008] [warn] Applications: (null)
[Wed Jul 16 03:16:09 2008] [warn] Config file: (null)
[Wed Jul 16 03:16:09 2008] [warn] Config dir.: (null)
[Wed Jul 16 03:16:09 2008] [warn] Listen port: (null)
[Wed Jul 16 03:16:09 2008] [warn] Listen address: (null)
[Wed Jul 16 03:16:09 2008] [warn] child started
[Wed Jul 16 03:16:09 2008] [warn] PATH: /sbin:/usr/sbin:/bin:/usr/bin
[Wed Jul 16 03:16:09 2008] [warn] serverdir: /opt/mono/bin
[Wed Jul 16 03:16:09 2008] [warn] PATH after: /opt/mono/bin:/sbin:/usr/sbin:/bin:/usr/bin
[Wed Jul 16 03:16:09 2008] [warn] Started new backend, sleeping 2s to let it configure
[Wed Jul 16 03:16:11 2008] [error] Failed to connect to mod-mono-server after several attempts to spawn the process.

Any ideas anyone?
 
Many thanks,
 
Chris

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