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Plesk 10.2, Apache crashed

nevakee

Basic Pleskian
hi,

Apache restart interval = 0 sec : no problem
Apache restart interval = 900 sec : apache crashed after the next restart

syslog
Code:
Apr 11 09:07:20 uschi websrvmng[17375]: Graceful httpd stop failed.
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 16519
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 16520
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18359
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18362
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18415
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18924
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18930
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18931
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18976
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18977
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18978
Apr 11 09:07:20 uschi websrvmng[17375]: send_signal_field(): successfully killed 18982
Apr 11 09:07:20 uschi websrvmng[17375]: 12 /usr/sbin/apache2 processes are killed

apache2/error.log
Code:
[Mon Apr 11 09:07:21 2011] [warn] pid file /var/run/apache2.pid overwritten -- Unclean shutdown of previous Apache run?
[Mon Apr 11 09:07:21 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:21 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:21 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:21 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:21 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:21 2011] [notice] Apache/2.2.9 (Debian) DAV/2 mod_fcgid/2.3.5 proxy_html/3.0.0 mod_ssl/2.2.9 OpenSSL/0.9.8g configured -- resuming normal operations
[Mon Apr 11 09:07:22 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:23 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:23 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:24 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:25 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:26 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits
[Mon Apr 11 09:07:27 2011] [emerg] (9)Bad file descriptor: Couldn't add listener to pollset; check system or user limits

Bug?
 
I'm having the same problem, same thing in my logs. A customer makes a change to their hosting account, Plesk initiates a graceful restart of apache and it doesn't come back.. I have to scramble onto SSH and type "service httpd restart" and everything is immediately fixed.
 
Tested setting my restart interval to 0, didn't help. It actually crashed more, which makes sense.

It's sort of an intermittent problem because you have to let apache work a bit before it'll have some connections to hang on.
 
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