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Bug #77106 Missing separator between PHP messages
Submitted: 2018-11-04 21:08 UTC Modified: 2022-11-29 21:56 UTC
Votes:6
Avg. Score:3.3 ± 1.8
Reproduced:5 of 5 (100.0%)
Same Version:3 (60.0%)
Same OS:4 (80.0%)
From: olafvdspek at gmail dot com Assigned: bukka (profile)
Status: Closed Package: FPM related
PHP Version: 8.0.2 OS: Linux
Private report: No CVE-ID: None
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 [2018-11-04 21:08 UTC] olafvdspek at gmail dot com 
Description:
------------
A newlines seems to be missing between the messages.

Test script:
---------------
echo 1 / 0;
echo 1 / 0;

Expected result:
----------------
2018-11-04 19:00:23: (mod_fastcgi.c.2520) FastCGI-stderr: PHP message: PHP Warning:  Division by zero in /var/www/test.php on line 2
2018-11-04 19:00:23: (mod_fastcgi.c.2520) FastCGI-stderr: PHP message: PHP Warning:  Division by zero in /var/www/test.php on line 3

Actual result:
--------------
2018-11-04 22:05:35: (mod_fastcgi.c.2520) FastCGI-stderr: PHP message: PHP Warning:  Division by zero in /var/www/test.php on line 2PHP message: PHP Warning:  Division by zero in /var/www/test.php on line 3

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Pull requests:

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2018-11-05 10:57 UTC] sjon at hortensius dot net 
this must be a mod_fastcgi specific issue, because the cli works fine, see https://3v4l.org/PNWne
 [2018-12-07 08:16 UTC] olafvdspek at gmail dot com 
Maybe related to https://bugs.php.net/bug.php?id=69031
 [2019-02-09 12:05 UTC] olafvdspek at gmail dot com 
Somebody?
 [2019-12-15 14:00 UTC] olafvdspek at gmail dot com 
Anybody?
 [2020-11-13 12:39 UTC] olafvdspek at gmail dot com
-Package: *General Issues +Package: FPM related -PHP Version: 7.3.0RC4 +PHP Version: 7.4.12
 [2020-11-13 12:39 UTC] olafvdspek at gmail dot com 
-
 [2020-11-13 15:40 UTC] cmb@php.net 
See <https://www.php.net/manual/en/errorfunc.configuration.php#ini.syslog.filter>.
 [2020-11-13 15:46 UTC] olafvdspek at gmail dot com 
Does the syslog filter also apply to fpm stderr?
 [2020-11-15 09:14 UTC] olafvdspek at gmail dot com 
The syslog filter escapes characters and I don't see any escaped newlines, so that's not it IMO.
 [2020-11-17 08:35 UTC] olafvdspek at gmail dot com
-PHP Version: 7.4.12 +PHP Version: 8.0.0RC3
 [2020-11-17 08:35 UTC] olafvdspek at gmail dot com 
-
 [2020-12-01 08:23 UTC] olafvdspek at gmail dot com
-PHP Version: 8.0.0RC3 +PHP Version: 8.0.0
 [2020-12-01 08:23 UTC] olafvdspek at gmail dot com 
-
 [2021-02-23 14:18 UTC] olafvdspek at gmail dot com
-PHP Version: 8.0.0 +PHP Version: 8.0.2
 [2021-02-23 14:18 UTC] olafvdspek at gmail dot com 
Somebody? ;)
 [2021-03-21 19:16 UTC] bukka@php.net
-Assigned To: +Assigned To: bukka
 [2021-03-21 19:16 UTC] bukka@php.net 
Yeah this is FPM / internal error logging issue related to log collection in master process. Basically it's using a pipe from child to process its output. If the child send 2 messages that don't end with a new line at the same time, then it's a single event and master process cannot do anything about that. We might need to introduce some tweak in the child to maybe explicitly add a new line for such cases (internal PHP errors).
 [2022-11-29 21:56 UTC] bukka@php.net
-Summary: Missing newlines between PHP messages +Summary: Missing separator between PHP messages
 [2022-11-29 21:56 UTC] bukka@php.net 
I had a proper look into this and it is not possible to separate the messages as requested with a new line and separate entries. The reason is that the message is actually FastCGI error data (error stream). It means that server will display it always as a single entry (I tried with nginx as well as Apache httpd) for each request due to the way how FastCGI works. It means it should stay as a single line without any new line character.

That said I agree that not having any separator doesn't look very nice and it's not readable so I went for separating the messages with '; ' which I think look much better. As it kind of impacts logging message format and it's somewhere between feature and bug fix, I will target only PHP 8.2.
 [2022-11-29 21:58 UTC] bukka@php.net 
The following pull request has been associated:

Patch Name: Fix bug #77106: Missing separator in FPM FastCGI errors
On GitHub:  https://github.com/php/php-src/pull/10022
Patch:      https://github.com/php/php-src/pull/10022.patch
 [2022-12-21 12:01 UTC] git@php.net 
Automatic comment on behalf of bukka
Revision: https://github.com/php/php-src/commit/891b58d50305d194dd711d2ada3f2f8d5e6cfae2
Log: Fix bug #77106: Missing separator in FPM FastCGI errors
 [2022-12-21 12:01 UTC] git@php.net
-Status: Assigned +Status: Closed
 
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