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Posted to bugs@httpd.apache.org by bu...@apache.org on 2018/03/06 21:06:25 UTC
[Bug 62161] New: no way to ensure error log contains timezone in
timestamps
https://bz.apache.org/bugzilla/show_bug.cgi?id=62161
Bug ID: 62161
Summary: no way to ensure error log contains timezone in
timestamps
Product: Apache httpd-2
Version: 2.4.6
Hardware: PC
OS: Linux
Status: NEW
Severity: minor
Priority: P2
Component: Core
Assignee: bugs@httpd.apache.org
Reporter: ralston@pobox.com
Target Milestone: ---
[I'm filing against 2.4.6, because this is the version of httpd included in Red
Hat Enterprise Linux 7, where I've performed testing. But based on the
documentation, I suspect this bug applies to all point releases in the 2.4
series, and additionally to 2.5-HEAD.]
We use the Splunk platform to analyze logs (including Apache httpd logs) that
are combined across multiple hosts distributed across different time zones.
For this reason, it is critical to us that all timestamps in all logs contain
timezone information.
For LogFormat, the %t format string includes the timezone offset from GMT.
Additionally, a strftime(3) format string can be used with %{format}t. So for
normal httpd logs, we have timezone offset information in the timestamps.
But, inexplicably, for ErrorLogFormat, the %t format string produces completely
different output than LogFormat's %t format string, and that output doesn't
include the timezone or timezone offset.
Furthermore, there is no %{format}t formatting string for ErrorLogFormat (as
there is for LogFormat), and none of the other available ErrorLogFormat time
formatting strings (%{u}t, %{cu}t) include the timezone or timezone offset.
This effectively means it is impossible to have httpd error logs that contain
either timezone or timezone offset information in their timestamps.
This is a deficiency with ErrorLogFormat that should be corrected—ideally, by
making ErrorLogFormat use the same time-related formatting strings as
LogFormat, and by making them produce the same output.
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[Bug 62161] no way to ensure error log contains timezone in timestamps
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62161
Graham Leggett <mi...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #6 from Graham Leggett <mi...@apache.org> ---
Backported to v2.4.58.
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[Bug 62161] no way to ensure error log contains timezone in timestamps
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62161
Yann Ylavic <yl...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |FixedInTrunk
--- Comment #5 from Yann Ylavic <yl...@gmail.com> ---
Checked in trunk (r1908380).
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[Bug 62161] no way to ensure error log contains timezone in timestamps
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62161
--- Comment #2 from Christian Lange <ch...@googlemail.com> ---
Find it annoying two. Maybe it's possible to have the same configuration
abilities for ErrorLogFormat and LogFormat?
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[Bug 62161] no way to ensure error log contains timezone in timestamps
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62161
--- Comment #3 from nicolas@eforney.com ---
This is really a must-have!
Having the same capabilities as LogFormat for the timezone part will be a great
solution.
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[Bug 62161] no way to ensure error log contains timezone in timestamps
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62161
--- Comment #4 from Yann Ylavic <yl...@gmail.com> ---
Created attachment 38485
--> https://bz.apache.org/bugzilla/attachment.cgi?id=38485&action=edit
ErrorLogFormat to accept "%{z}t" and "%{<strftime-format>}t"
ErrorLogFormat is about every log in any httpd context (loading, request,
connection...), while LogFormat is always handled in the context of (the end
of) a request where all informations regarding the request are known/populated.
That and for historical reasons too (probably) they don't share much
code/formats.
For plain "%t" we can't change the output now, this would break for someone
somewhere.
This patch adds strftime() format by looking up for a '%' in the format, to
avoid (or minimize the chance of) breaking existing configurations like
"%{abcdu}t" where everything but 'u' or 'c' was ignored.
It also adds the special "%{z}t" format (or still combined with the existing
'c' and 'u' ones like in "%{uz}t" or "%{cuz}t").
The default time format gets treated as a fast-path too (no ErrorLogFormat
being handled as "%{u}t" internally).
Can you try it?
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[Bug 62161] no way to ensure error log contains timezone in
timestamps
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62161
--- Comment #1 from Ondrej Brejla <on...@brejla.cz> ---
Hi all,
this issue is very annoying for everyone, it would be really nice to have it
fixed :)
Thanks a lot!
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