[mod_python] "Internal Server Error"

Wouter van Marle wrote ..
> 
> > > For example:
> > > 72.30.252.145 - - [25/Jun/2006:18:19:35 +0800] "GET /show_page.py/main
> > > HTTP/1.0" 500 538 "-" "Mozilla/5.0 (compatible; Yahoo! Slurp;
> > > http://help.yahoo.com/help/us/ysearch/slurp)"
> > > 
> > > This is an invalid URL, but instead of a 404 it gives a 500 error.
> As
> > > it's asking for a .py file, it's passed on to the python interpreter.
> No
> > > info in the logs - neither from Python, neither from Apache that it's
> > > restarting.
> > 
> > Nothing in "error_log" file at all????
> 
> Sorry didn't look there. This is the relevant part of the error_log of
> this error:
> 
> [Sun Jun 25 18:19:35 2006] [error] [client 72.30.252.145] PythonHandler
> mod_python.publisher: Traceback (most recent call last):
> [Sun Jun 25 18:19:35 2006] [error] [client 72.30.252.145] PythonHandler
> mod_python.publisher:   File
> "/usr/lib/python2.3/site-packages/mod_python/apache.py", line 299, in
> HandlerDispatch\n    result = object(req)
> [Sun Jun 25 18:19:35 2006] [error] [client 72.30.252.145] PythonHandler
> mod_python.publisher:   File
> "/usr/lib/python2.3/site-packages/mod_python/publisher.py", line 98, in
> handler\n    path=[path])
> [Sun Jun 25 18:19:35 2006] [error] [client 72.30.252.145] PythonHandler
> mod_python.publisher:   File
> "/usr/lib/python2.3/site-packages/mod_python/apache.py", line 454, in
> import_module\n    f, p, d = imp.find_module(parts[i], path)
> [Sun Jun 25 18:19:35 2006] [error] [client 72.30.252.145] PythonHandler
> mod_python.publisher: ImportError: No module named show_page

This is normal for mod_python 3.1.3. Ie., instead of 404 NOT_FOUND
it returns 500 instead. In mod_python 3.2.8, it should return 404 NOT
FOUND as one would expect.

> > What handler are you using? Is this when using mod_python.publisher
> > or some custom handler? 
> 
> mod_python.publisher; no custom handlers.
> 
> > Is this with mod_python 3.2.8? In publisher
> > prior to 3.2.8, if the function returned None it would cause a 500 error
> > but not log anything, but current publisher would log a message in
> > the error log.
> 
> It's mod_python 3.1.3 (Debian Sarge). Doesn't seem to have a later
> version available.

Only choice would be to compile source for mod_python 3.2.8 from
scratch then.

> I used to have the problem that in some cases my function would return
> None (resulting in the Error 500); that I think is solved now. I haven't
> found any error-500's recently that I can directly link back to my own
> programming.

Graham