Errors in /var/log/httpd/error_log

[highness]

We are seeing a ton of these errors (2100+ today alone) in /var/log/httpd/error_log (and this seems to have been going on for quite a while):

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Undefined variable: searchstring in /usr/local/nagiosxi/html/includes/utils-menu.inc.php on line 1741, referer: http://nagios.redacted.com/nagiosxi/index.php?

We're running version XI v5.4.3

Any one else seeing this?

[tgriep]

What you are seeing are only PHP notices about a variable that is being used but it was not defined in the PHP file. The line does say that it is an error but it really is just a notice and can be ignored.
If you want to stop logging of those messages, you can edit the /etc/php.ini file on the Nagios server.
Find the error_reporting option in the file and change it to the example below.

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error_reporting = E_ALL & ~E_DEPRECATED & ~E_NOTICE

Save the file and and restart the Apache process to load the changes by running the following as root.

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service httpd restart

What that line does is to continue to log the errors except Depreciated messages and Notices.
Please post if you have any more questions.

[highness]

Here is my original line:

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error_reporting = E_ALL & ~E_DEPRECATED

and after adding the new line:

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error_reporting = E_ALL & ~E_DEPRECATED & ~E_NOTICE

and restarting apache via:

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service httpd restart

Still no joy. Errors are still being logged.

[tgriep]

Did you restart the Apache process?
Are they coming in as PHP Notices or PHP Warnings?

[highness]

Did you restart the Apache process?
Are they coming in as PHP Notices or PHP Warnings?

I restarted apache via

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service httpd restart

but we're still seeing this:

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[Tue May 16 09:41:25 2017] [error] [client 10.71.17.57] PHP Notice:  Undefined variable: searchstring in /usr/local/nagiosxi/html/includes/utils-menu.inc.php on line 1741, referer: http://nagios.redacted.com/nagiosxi/index.php?
[Tue May 16 09:41:30 2017] [error] [client 10.113.9.113] PHP Notice:  Undefined variable: searchstring in /usr/local/nagiosxi/html/includes/utils-menu.inc.php on line 1741, referer: http://nagios.redacted.com/nagiosxi/index.php?
[Tue May 16 09:41:30 2017] [error] [client 10.113.9.113] PHP Notice:  Undefined variable: searchstring in /usr/local/nagiosxi/html/includes/utils-menu.inc.php on line 1741, referer: http://nagios.redacted.com/nagiosxi/index.php?

[scottwilkerson]

Thanks for pointing this out.. We had an undefined variable in the code, which will be resolved in the next release.