https://bz.apache.org/bugzilla/show_bug.cgi?id=62483
Bug ID: 62483
Summary: Unusable entries in error_log when event MPM is
activated
Product: Apache httpd-2
Version: 2.4.33
Hardware: PC
OS: Linux
Status: NEW
Severity: major
Priority: P2
Component: mpm_event
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Description of problem:
Since Fedora 27 the mpm_event_module is activated by default.
Outputs written by cgi-scripts to "stderr" during https-sessions are unusable
and ending up in the file error_log instead of ssl_error_log. The entries made
by cgi-scripts in the file error_log don't have any timestamp, User-Agent,
referer et cetera. The LogFormat from httpd.conf is ignored. All I can see is
the native output from the cgi-script.
Version-Release number of selected component (if applicable):
httpd-2.4.33-2
How reproducible:
Create a cgi-script which can output the word "Test" to stderr.
Steps to Reproduce:
1. Start httpd: systemctl start httpd.service
2. Send a https-request to a cgi-script which can produce an output (like the
word "Test") to stderr.
3. Check the file /var/log/httpd/error_log
Actual results:
The file /var/log/httpd/error_log contains a line with the word "Test". No
date, timestamp, et cetera. This is wrong and should be written to
/var/log/httpd/ssl_error_log, because of ssl-request.
Expected results:
The file /var/log/httpd/ssl_error_log should contain a line with the word
"Test" like this:
Wed Jun 13 16:44:20.295009 2018] [cgi:error] [pid 14844] [client ::1:59776]
AH01215: Test: /var/www/cgi-bin-ssl/test.cgi
Additional info:
A possible workaround is to switch back to prefork MPM in the file
/etc/httpd/conf.modules.d/00-mpm.conf
LoadModule mpm_prefork_module modules/mod_mpm_prefork.so
#LoadModule mpm_event_module modules/mod_mpm_event.so
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