No Calendar display in webclient

[Johannes Graumann]

Gunnar Wrobel wrote:

> Quoting Johannes Graumann <johannes_graumann at web.de>:
> 
>> Gunnar Wrobel wrote:
>>
>>> Hi Johannes,
>>>
>>> Quoting Johannes Graumann <johannes_graumann at web.de>:
>>>
>>>> Thanks for the hint.
>>>>
>>>> Here is what I find:
>>>>
>>>>
>>>> [20-Dec-2009 19:07:24] PHP Warning:  DOMDocument::loadXML() [<a
>>>> href='domdocument.loadxml'>domdocument.loadxml</a>]: Start tag
>>>> expected, '<' not found in Entity, line: 2 in
>>>> /kolab/var/kolab/www/client/lib/Horde/DOM.php on line 137
>>>> [20-Dec-2009 19:07:24] PHP Fatal error:  Call to a member function
>>>> hasChildNodes() on a non-object in
>>>> /kolab/var/kolab/www/client/lib/Horde/DOM.php on line 372
>>>>
>>>> Any clue what that might mean?
>>>
>>> I'm confused now... Didn't you write you solved that particular
>>> problem and resolved the issue (see
>>> http://www.kolab.org/pipermail/kolab-users/2009-November/010595.html).
>>> You mentioned it was a preferences issue.
>>>
>>> But to be honest I was already wondering if that could be true. See my
>>> last comment in https://issues.kolab.org/issue3751. I assume there is
>>> a specific kolab.xml attachment breaking Horde. If I'd know how that
>>> xml attachment looks like it should be easy to fix the issue. But if
>>> you have several hundred events in your calendar folder than finding
>>> the broken attachment might be hard.
>>>
>>> We intended to fix that bug for 2.2.3 but lacked the time in the end
>>> so it dropped of the list.
>>>
>>
>> Thanks for picking this up once more. Obviously it's me who is confused -
>> I went back and deleted my prefs
>> (/kolab/var/kolab/www/client/storage/*.prefs). Logging in via horde now
>> will create a new user-specifc *.prefs file and everything in horde looks
>> nice and fine UNTIL I navigate to the calendar and ask it to display the
>> kolab- resident calendar (via check box in the upper right corner of the
>> calendar component). At this point I start encountering the problems
>> first described in this thread, so your hunch that there is something
>> weird in my calendar seems right (especially since the Todos are just
>> fine). How now could I go about finding the culprit in my reasonably busy
>> calendar?
> 
> Two options:
> 
> "binary search"
> 
>   1) kill one half of you events
>   2) does it work again or does it still fail
>      a) it still fails -> goto 1)
>      b) it works again
>         i) restore folder
>         ii) kill the other half of the events -> it should fail again
> -> goto 1)
> 
> yup, tedious, I know...
> 
> "debug"
> 
> Follow my instructions in
> http://wiki.kolab.org/index.php/PHP_debugging about xdebug and paste
> the (hopefully) resulting stack trace into
> https://issues.kolab.org/issue3751
 
"binary search" ("debug" I don't know) relies on only 1 event being the 
culprit though ... no?

Joh