On Jan 26, 2010, at 1:40 AM, NopMap wrote:

>
> Dane Springmeyer wrote:
>>
>>> but I wondered about the error handling. When running mapnik from
>>> the python
>>> binding (generate_image.py), I do not see any errors,
>>
>> After fixing the above missing column, or before? If after this may  
>> be
>> Mapnik only throwing an error due to renderd not being able to
>> connect, or something different than a query syntax error...
>>
>
> Before, I haven't touched anything yet, of course. :-)
>
> Shouldn't such an exception be visible in python?


Yes, certainly. But if you are only testing with generate_image.py  
perhaps the specific rule or layer is not being hit, given your bbox?

Dane


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