gotcha !
because of some PHP errors in apache log caused by another application I
tried something else and disabled mod_php5, restarted apache and got a Map!
As that other application needs mod_php5 I enabled it again, restarted
apache and... guess what... still got a Map! ...very odd.
I checked if that application using mod_php is still running and it does.
is it possible that all this fuss was just caused by the order in which
the apache modules were enabled??
Will provide some details on my settings later... hope it still works
tomorrow.
cheers!
Daniel
Am 05.10.2010 08:55, schrieb Daniel Behr:
Hi Dane,
Am 02.10.2010 00:12, schrieb Dane Springmeyer:
Okay, I think I found it.
Putting this in your WSGI config should fix it:
WSGIApplicationGroup %{GLOBAL}
GROUP and GLOBAL dont work. both freeze :(
More details here:
https://techknowhow.library.emory.edu/blogs/branker/2010/07/30/django-lxml-wsgi-and-python-sub-interpreter-magic
very interesting...
does Cython have to be installed? lxml installation instructions are a
bit ambiguous in that case.
Using lxml trunk (lxml-2.3beta1) the browser freezes. Without lxml or
with one of the older lxml versions installed the browser throws an
exception as if I would expect from a WMS request including this parameter:
EXCEPTIONS=application/vnd.ogc.se_inimage
if not set it should default to 'xml'. no matter if I set it to xml,
inimage or blank, or dont set it at all, it defaults to inimage.
So, this should allow the ogcserver to play nicely within mod_wsgi with
lxml installed. If this fixes the hang for you then we can investigate
more. If not, then make sure you are only running one instance of the
ogcserver within Apache.
only apaches mod_wsgi loads the wsgi script which calls the ogcserver.
wsgi standalone, mod_python are off. So its running only once, right?
thanks
Daniel
Dane
On Oct 1, 2010, at 10:59 AM, [email protected]
<mailto:[email protected]> wrote:
Hi, I forgot something...
when uninstalling lxml, mod_wsgi can actually connect to mapniks
ogcserver (ogcserver welcome appears). as Dane said earlier in this
thread, mapnik falls back to standard xml support. at least this
machine should... but with a GetMap request the browser still returns
no map, the text of the requested URL gets rendered as an unformatted
image instead.
Daniel
Am 30.09.2010 18:14, schrieb Dane Springmeyer:
>
> On Sep 1, 2010, at 3:57 AM,<[email protected]
<mailto:[email protected]>> <[email protected]
<mailto:[email protected]>> wrote:
>
>> Hi,
>>
>> Just tried and I can reproduce the same problem here. Ubuntu server
9.10, Mapnik 0.7.1, mod_python will get stuck in Mapnik's load_map in
WMS.py.
>>
>> Strange enough, I'm using the *same* code under wsgi with no
problems.
>>
>
> Daniel look ^^^. So Manel, what Apache version, prefork or worker,
and what mod_wsgi and python versions?
>
> Btw, I forgot to mention the ticket we once had that tracked this
issue (at lease specific to GetCaps):
>
> http://trac.mapnik.org/ticket/464
>
> It would be good to add any additional info we find to that ticket
thread. For instance, short of understanding the exact problem within
lxml, hopefully we can recommend a certain version of
python/apache/mod_wsgi which will work around the problem.
>
> - Dane
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