I got it working now. The problem was that I've been using an old  
Xulrunner version. I've upgraded to Xulrunner 2.0 and reinstalled  
CouchDB 1.0.2 by following the instructions provided by Paul Devis in  
one of the other posts. With the new installation of CouchDB GeoCouch  
works without any problems atm.

Thanks for your help and also thanks to Paul Davis for his instructions.

Regards
Bernhard

Quoting Volker Mische <volker.mische@gmail.com>:

> There's definetly a config file missing. You can check your config
> settings (and paths) when you run your couch in debug log level.
>
> Cheers,
>   Volker
>
> On 05/04/2011 05:05 PM, e0075088@student.tuwien.ac.at wrote:
>> Tanks for your help Volker. It seems to solve the problem. Is it normal
>> that I get warnings because of unused variables? Because spatial queries
>> don't seem to work and I get this error:
>> {"error":"not_found","reason":"missing handler: _spatial"}
>>
>> I've copied all files and set the ERL_FLAGS as stated within the readme
>> file.
>>
>> I've the feeling that may my old couchdb version is making some trouble,
>> but to be honest I don't know why because when I check the version it's
>> 1.0.2.
>>
>> Regards
>> Bernard
>> Quoting Volker Mische <volker.mische@gmail.com>:
>>
>>> You seems to miss packages, this might help:
>>> http://www.ejabberd.im/undef-make-all
>>>
>>> Cheers,
>>>   Volker
>>>
>>> On 05/04/2011 04:30 PM, e0075088@student.tuwien.ac.at wrote:
>>>> Ah yeah sry that I didn't specified that.
>>>>
>>>> I've already complied and installed CouchDB 1.0.2 without any problems.
>>>> I've also tested it and it works without any problems.
>>>>
>>>> I'm currently stuck at compiling GeoCouch. I've followed the
>>>> installation instruction specified within the readme file.
>>>>
>>>> Regards
>>>> Bernhard
>>>>
>>>> Quoting Volker Mische <volker.mische@gmail.com>:
>>>>
>>>>> On 05/04/2011 04:17 PM, e0075088@student.tuwien.ac.at wrote:
>>>>>>
>>>>>> Hello,
>>>>>> my name is Bernhard, I'm currently writing my bachelor thesis in
>>>>>> Geoinformatics where I use GeoCouch within my project. After the new
>>>>>> Ubuntu release I also decided to upgrade my GeoCouch server. But when
>>>>>> trying to compile the source code with make I get the following error
>>>>>> message:
>>>>>>
>>>>>> {"init terminating in
>>>>>> do_boot",{undef,[{make,all,[[{i,"/opt/apache-couchdb-1.0.2/src/couchdb"}]]},{erl_eval,do_apply,5},{erl_eval,expr,5},{init,start_it,1},{init,start_em,1}]}}
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Crash dump was written to: erl_crash.dump
>>>>>> init terminating in do_boot ()
>>>>>> make: *** [compile] Error 1
>>>>>>
>>>>>> I've downloaded the new 1.0.2 source code for couchdb an installed it
>>>>>> following the instructions provided at the wiki (Example 1):
>>>>>>
>>>>>> http://wiki.apache.org/couchdb/Installing_on_Ubuntu
>>>>>>
>>>>>> This time I also remembered to change the xulrunner version within the
>>>>>> xulrunner.conf file.
>>>>>>
>>>>>> Currently I'm stuck. I've tried to set the LD_LIBRARY_PATH to
>>>>>> /usr/lib/xulrunner-1.9.2.17 as it states at the couchdb error message
>>>>>> wiki, that this error message is caused by an incorrect
>>>>>> LD_LIBRARY_PATH.
>>>>>> But this didn't solve the problem. It seems like there is an obvious
>>>>>> solution to this but again I can't see it...
>>>>>>
>>>>>> I would be pleased if someone could help me.
>>>>>>
>>>>>> Bernhard
>>>>>
>>>>> Hi Bernhard,
>>>>>
>>>>> are you stuck at compiling CouchDB or GeoCouch?
>>>>>
>>>>> Cheers,
>>>>>   Volker
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>