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From Jeff Trawick <traw...@gmail.com>
Subject Re: [users@httpd] undefined symbol: ap_fcgi_encoded_env_len
Date Sun, 01 Dec 2013 12:26:17 GMT
On Sun, Dec 1, 2013 at 1:19 AM, sdfasdgfvewrgvwargvt wadawdawd <
lf2hunter@gmail.com> wrote:

> Hi there,
>
> I recently found this message in my error_log which got my httpd stopped
> working and left pid file behind.
>
> The httpd is 2.4.7 on CentOS 6.4 using rpmbuild.
>
> "[mpm_event:notice] [pid 7185:tid 139687436580608]
> AH00493: SIGUSR1 received.  Doing graceful restart
> httpd: Syntax error on line 33 of /etc/httpd/conf/httpd.conf:
> Cannot load lib64/httpd/modules/mod_proxy_fcgi.so into server:
> /usr/lib64/httpd/modules/mod_proxy_fcgi.so: undefined symbol:
> ap_fcgi_encoded_env_len"
>
> After the incident, I tried "service httpd status", it told me that httpd
> is dead but pid file exists.
> Restarting httpd makes it back online, but I want to know why it happened?
>

You had not fully stopped httpd after upgrading to 2.4.7, and 2.4.7's
mod_proxy_fcgi.so couldn't be loaded into 2.4.6's httpd because the old
httpd was missing new APIs (exported symbols).


>
> Thanks.
>



-- 
Born in Roswell... married an alien...
http://emptyhammock.com/

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