[Qgis-user] QGIS Server Log Stderr

[pathmapper]

Hi Thomas,

> You received the STDERR log on Ubuntu not Windows, right?

Yes, that's right.

I'm having
ErrorLog ${APACHE_LOG_DIR}/error.log
set also in my QGIS server vHost.conf not in my httpd.conf.

Does this makes a difference to you?

Otherwise I would also I stick with QGIS_SERVER_LOG_FILE for now :)

Cheers,
Björn


On 06.07.2021 12:05, Thomas Schüttenberg wrote:
> Hi Björn,
> thanks for investigating, but no, I still don't get this.
> With
> ErrorLog "${STACK}/logs/error.log"
> in httpd.conf (plus LogLevel info to make sure there will be something
> to log) and
> FcgidInitialEnv QGIS_SERVER_LOG_STDERR 1
> plus FcgidInitialEnv QGIS_SERVER_LOG_LEVEL 0
> in the QGIS server vHost.conf, there is no log output from QGIS server
> in error.log while restarting the Apache. I would expect the QGIS
> server summary[1] like I see in the QGIS_SERVER_LOG_FILE, not only the
> Apache restart lines.
> 
> You received the STDERR log on Ubuntu not Windows, right?
> I think I stick with QGIS_SERVER_LOG_FILE for now.
> 
> [1]
> https://docs.qgis.org/3.16/en/docs/server_manual/config.html#settings-summary
> 
> 
> 
>> pathmapper <pathmapper at posteo.de> hat am 05.07.2021 07:01 geschrieben:
>> 
>> 
>> Hmm, with QGIS_SERVER_LOG_STDERR 1 it works as long as I use the
>> standard
>> 
>> ErrorLog ${APACHE_LOG_DIR}/error.log
>> 
>> But if I change it to
>> 
>> ErrorLog ${APACHE_LOG_DIR}/qgisserver.log
>> 
>> a file ${APACHE_LOG_DIR}/qgisserver.log is created but the QGIS server
>> logs are still saved in ${APACHE_LOG_DIR}/error.log
>> 
>> Thomas, is this the same behaviour you are seeing?
>> 
>> 
>> On 02.07.2021 14:43, thomas wrote:
>> > Hi Björn,
>> >
>> > Am 02.07.21 um 10:58 schrieb pathmapper:
>> >> Hi Thomas,
>> >>
>> >> is QGIS_SERVER_LOG_FILE still set in your conf?
>> >>
>> >> Asking because QGIS_SERVER_LOG_STDERR has no effect when
>> >> QGIS_SERVER_LOG_FILE is set.
>> >>
>> >> Maybe doublecheck that you restarted Apache after these changes :)
>> >
>> > Sure, quadruple checked all that ;)
>> >
>> >>
>> >> With QGIS server 3.18.1 on Ubuntu LTR it's working as expected.
>> >
>> > After some research[1] I already suspected it to be a windows specific
>> > issue... :-/
>> >
>> > Or I'm making wrong assumptions about what stderr is, although[2]:
>> > "... The error log will also contain debugging output from CGI
>> > scripts. Any information written to stderr by a CGI script will be
>> > copied directly to the error log."
>> >
>> > [1]
>> > http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-QGIS-server-landing-page-when-running-as-fastcgi-tp5456241p5456373.html
>> > [2] https://httpd.apache.org/docs/2.4/logs.html#errorlog
>> >
>> > Cheers
>> > Thomas
>> >
>> >
>> >>
>> >> Cheers,
>> >> Bjoern
>> >>
>> >> On 01.07.2021 15:11, Thomas Schüttenberg wrote:
>> >>> Hi there!
>> >>>
>> >>> Because file logging support with QGIS_SERVER_LOG_FILE is deprecated
>> >>> since QGIS 3.4. I just tried to switch to QGIS_SERVER_LOG_STDERR 1 as
>> >>> described in the manual[1].
>> >>>
>> >>> Nevertheless the standard error log file I defined in my Apache
>> >>> configuration stays silent (Loglevel 0).
>> >>> So either I miss something in my config or QGIS_SERVER_LOG_STDERR
>> >>> does
>> >>> not work here.
>> >>>
>> >>> My QGIS server 3.18.2 and 3.16. are installed on a windows server
>> >>> 2019, btw. Mayby anyone of you is able to help me with their
>> >>> experience? Thanks!
>> >>>
>> >>> [1] https://docs.qgis.org/3.16/en/docs/server_manual/config.html
>> >>>
>> >>> Cheers Thomas
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