[Mono-aspnet-list] Failed to connect to mod-mono-server after several attempts to spawn the process.

Veleno nwn at simail.it
Wed Mar 18 04:28:56 EDT 2009




denis300 wrote:
> 
> 
> 
> Veleno wrote:
>> 
>> 
>> 
>> denis300 wrote:
>>> 
>>> 
>>> 
>>> denis300 wrote:
>>>> 
>>>> Hi, i'm running fc9, and attempting to get apache working with mono. my
>>>> error log shows
>>>> [Mon Mar 16 01:44:30 2009] [error] Failed to connect to mod-mono-server
>>>> after several attempts to spawn the process.
>>>> 
>>>> i attempted to start /usr/bin/mod-mono-server and it still gave the
>>>> same error: (selinux is disabled)
>>>> 
>>>> Service Temporarily Unavailable
>>>> 
>>>> The server is temporarily unable to service your request due to
>>>> maintenance downtime or capacity problems. Please try again later.
>>>> 
>>>> Any help on fixing this is truly appreciated. or some suggestions on
>>>> where to look to fix it. Thanks.
>>>> 
>>> ** (/usr/lib64/mono/2.0/mod-mono-server2.exe:25658): CRITICAL **:
>>> _wapi_shm_file_open: shared file
>>> [/var/run/.wapi/shared_data-joormama-Linux-x86_64-328-12-0] open error:
>>> No such file or directory
>>> 
>>> ** (/usr/lib64/mono/2.0/mod-mono-server2.exe:25658): CRITICAL **:
>>> _wapi_shm_attach: shared file
>>> [/var/run/.wapi/shared_data-joormama-Linux-x86_64-328-12-0] open error
>>> **
>>> ERROR:shared.c:349:shm_semaphores_init: assertion failed: (tmp_shared !=
>>> NULL)
>>> 
>>> ** (/usr/lib64/mono/2.0/mod-mono-server2.exe:25658): WARNING **: Thread
>>> (nil) may have been prematurely finalized
>>> Stacktrace:
>>> 
>>> 
>>> ** (/usr/lib64/mono/2.0/mod-mono-server2.exe:25658): WARNING **: Thread
>>> (nil) may have been prematurely finalized
>>> 
>>> 
>>> 
>> 
>> Hi,
>> i'm hosting about 10 websites on a fc10 64bit using apache and mono.
>> With mono 1.9 everything worked fine , but now that i upgraded to 2.2
>> i've a lot of problems.
>> 
>> The most important of all is that often websites are down showing the
>> message: 
>> "The server is temporarily unable to service your request due to
>> maintenance downtime or capacity problems. Please try again later. "
>> 
>> and in my httpd log:
>> "Failed to connect to mod-mono-server after several attempts to spawn the
>> process"
>> 
>> I tryed to configure http.conf for autorestart mono processes after
>> several request served or time elapsed but the problem still persist.
>> 
>> I think it could be a problem with files located in /var/run/mod_mono or
>> in /tmp because if i restart apache , mod_mono process are still
>> executing . I have to kill them manually and clean /var/run/mod_mono and
>> /tmp before restart apache again.
>> 
>> I tryed wirh apachectl too but the problem still remain the same,
>> mod_mono process doesn't restart.
>> 
>> After restarted all (apache , mod_mono and cleaned dirs) all websites
>> works fine for some hour but random, one of them shows the message "The
>> server is temp...."
>> 
>> Any idea?
>> 
>> Thx  
>> 
>> 
>> 
> 
> I've figured my problem out. It was the permissions.
> 
> 

Can you kindly explain how to fix this permission issue?
Are you talking about permissions on /var/run/mod_mono or /tmp dirs or
something about process ownership?
Thank you 
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