Re: [Cppcms-users] How to prevent server goes down when crash?

[Cristian O. <one...@gm...>]

2011/8/22 Artyom Beilis <art...@ya...>:
>
>>
>>I didn't work on posix platform. I use microsoft vs to build it and use apache in windows to run it.
>>
>>
>>This is what I did:
>>1. Added a (*(char *) 0) = 0 in the hello:main() function. This should make process crash when user try to access the URL.
>>2. Configure hello.exe run as fastcgi mode and start the it as hello.exe -c config.js
>>3. Configure apache to run hello.exe independently( http://art-blog.no-ip.info/wikipp/en/page/cppcms_1x_tut_web_server_config#Apache..FastCGI..Independent.start )
>>4. Try to access http://localhost:8080/hello
>>
>>
>>Obviously hello.exe crash and exit. Maybe I ran it as wrong way but I don't fully understand how to run it as multi-thread.
>>
>
> Obviously... The hello runs as independent FastCGI Server and if it crashes it crashes
> like any other program. I though you told me that "web server" crashes, but hello.exe
> is not web server.
>
>
> If you want hello.exe to be restarted you need to do it on your own
> (at least on Windows that does not support fork() system call).
> Simple bat script can do this for you.
>
>
> You can also configure the web server to control the life time of the "hello.exe",
> start it, shut it down or restart.
>
> This is what described in the link below.
>
>
>    http://art-blog.no-ip.info/wikipp/en/page/cppcms_1x_tut_web_server_config#Apache..FastCGI..Start.by.Web.Server
>
> Thus apache would restart CppCMS service when it crashes for you.

I can confirm this behavior.

Regards,
Cristian

>
> AFAIK there are users that run CppCMS this on Windows with Apache that is controlled by Apache
> and I even get patches for graceful shutdown by apache support.
>
> See this thread:
>
> http://thread.gmane.org/gmane.comp.lib.cppcms.user/551
>
>
> Artyom
>
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