Linux – Internal Server Error and process graceful kill fail

apache-2.2linuxmod-fcgid

Internal Server Error is registered in browser, in the Apache error log file I can only see the following warn thrown in same time:

[warn] mod_fcgid: process XXXXX graceful kill fail, sending SIGKILL

Are these two errors related each other?

Best Answer

I found an answer on my question, the following error is also presented in the apache error log file:

mod_fcgid: read data timeout in 45 seconds
Premature end of script headers: index.php

This comes from the fast cgi configuration, I increased the IOTimeout value in /etc/httpd/conf.d/fcgid.conf

FcgidIOTimeout 45 to FcgidIOTimeout 300

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Mod_fcgid, perl script output going to apache error_log

Your configuration is telling Apache to serve all CGI scripts under FastCGI, which isn't possible. FastCGI isn't directly compatible with CGI scripts.

You should move the AddHandler directive into your client's VirtualHost, so it doesn't apply to the whole configuration, e.g.

<VirtualHost *:80>
    ServerName clienthost.com
    ...
    AddHandler fcgid-script .fcgi .cgi
</VirtualHost>

If your client's scripts are on the same VirtualHost as your other cgi scripts, you can restrict the FastCGI handling to a specific Location or Directory, e.g.

<Location /clientarea>
    AddHandler fcgid-script .fcgi .cgi
</Location>

Ubuntu – Apache mod_fcgid keeps giving error

You'll want to enable PHP error logging. As an example, you might be exceeding max_input_time, but without the output from the PHP error log, you'll have a heck of a time figuring that out except by trial-and-error.

Best Answer

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Mod_fcgid, perl script output going to apache error_log

Ubuntu – Apache mod_fcgid keeps giving error

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