I've just come across this ticket, http://code.djangoproject.com/ticket/8221,
which has a patch attached. I've just applied the patch and crippled
my url regex again to re-create the error. This is what was reported
this time;
NoReverseMatch: Reverse for 'MBBS.agenda_today_group' with arguments
'(u'st4gp4&5',)' and keyword arguments '{}' not found.
Now *that* would have saved a heap of time earlier on today ;)
Ticket 8221 is down for the 1.0 release, so hopefully, we'll have that
in trunk ready for the big release of V1.0.
HTH
Tone
On Aug 28, 6:20 pm, tonemcd <[EMAIL PROTECTED]> wrote:
> Well, this bit me a while back when I svn-up'ed from trunk and I got
> fed up of changing my django.pth to point to trunk_r7971, so I was
> determined to get it sorted out.
>
> The first thing is that the NoReverseMatch error seems to be a catch-
> all for a variety of exceptions, so if you can, check out your imports
> as Koen outlines below.
>
> However, I think that in this case it is far more likely that you have
> some data that is triggering the NoReverseMatch exception, as you say
> it happens randomly, and I think what is happening is your arguments
> to {% url ... %} are not compatible with what your named url is
> expecting to see.
>
> This is what happened to me; my urls are of the form;
>
> today/<group>/agenda
>
> where <group> is letters (upper and lowercase), numbers and '-', so
> these are valid stgp01, st2gp2-18 etc.
>
> I used this match to begin with;
> url(r'^today/(?P<group>[\w,-]+)/agenda$
>
> fromhttp://python.about.com/od/regularexpressions/a/regexprimer.htm
> you can see that \w handles alphanumerics and _.
>
> This is what killed it;
>
> /today/st4gp8&9/agenda
>
> With r7971 this would not have been a problem (well actually it would
> have been a problem because the URL wouldn't work), but at least it
> wouldn't give you an error. Now it does (it was changed in r8211,
> seehttp://code.djangoproject.com/wiki/BackwardsIncompatibleChangesfor
> more details).
>
> The solution for me was to include & and friends into the regex, so I
> added \W as well (the above URL has details).
>
> My final URL pattern is url(r'^today/(?P<group>[\w,\W-]+)/agenda$ and
> this works just fine.
>
> I don't know what you're matching, but I'd hazard a guess that what
> you're pumping out is not compatible with what your URL regex is
> expecting to see.
>
> This seems like a prime example of something that needs a slightly
> more descriptive error message, but whether that's possible or not, I
> don't know (I did dig around in urlresolvers.py, but it went rapidly
> over my django-fu).
>
> Hope this helps,
> Tone
>
> On Aug 25, 8:40 pm, koenb <[EMAIL PROTECTED]> wrote:
>
>
>
> > I guess you are seeing the bug reported in #6379. You probably have an
> > import error somewhere, but it is being hidden by theNoReverseMatch
> > exception that is raised for anything that goes wrong.
>
> > Koen
>
> > On 25 aug, 16:13, Robin <[EMAIL PROTECTED]> wrote:
>
> > > Hello,
>
> > > i have the same exception and exactly as Julien explained in the dev
> > > server works fine ... and also works fine with fast_cgi, but I am
> > > using apache + mod_wsgi and it didn't work with the same problem:
> > >NoReverseMatch
>
> > > Has any of you any clue to this error ?
>
> > > thanks in advance,
> > > r
>
> > > On Aug 16, 8:16 pm, Alberto Piai <[EMAIL PROTECTED]> wrote:
>
> > > > On Aug 16, 12:01 am, Julien Phalip <[EMAIL PROTECTED]> wrote:
>
> > > > > Hi,
>
> > > > > It's likely that there is a typo somewhere in your templates, either
> > > > > you didn't write the view name properly, or you didn't provide the
> > > > > right parameters.
> > > > > In the error message, there should be the name of the view. Look up
> > > > > every occurrence et double check that you haven't made any typo.
>
> > > > I'm checking everything again. But actually I don't think the
> > > > problem's there, as everything works fine when run from django's dev
> > > > server, and now it's been working fine for some hours even on lighttpd
> > > > +fcgi. When the problem appears again I'll send the traceback.
>
> > > > Thanks for you help,
>
> > > > Alberto
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