[mod_python] Error using sessions

berry groenendijk writes:
> When I set 'use_session = True' in my code I get the following error:

Have you figured this out yet?  Is it possible you're trying to store
an unpickle-able object in your session?

> -- begin error --
> Mod_python error: "PythonHandler _servlet"
> 
> Traceback (most recent call last):
> 
>   File "/usr/lib64/python2.3/site-packages/mod_python/apache.py", line
> 299, in HandlerDispatch
>     result = object(req)
> 
>   File "./_servlet.py", line 1472, in handler
>     servlet._finally()
> 
>   File "./_servlet.py", line 688, in _finally
>     self.__cleanup_session()
> 
>   File "./_servlet.py", line 386, in __cleanup_session
>     self.session.save()
> 
>   File "/usr/lib64/python2.3/site-packages/mod_python/Session.py",
> line 204, in save
>     self.do_save(dict)
> 
>   File "/usr/lib64/python2.3/site-packages/mod_python/Session.py",
> line 327, in do_save
>     dbm = self._get_dbm()
> 
>   File "/usr/lib64/python2.3/site-packages/mod_python/Session.py",
> line 302, in _get_dbm
>     result = self._dbmtype.open(self._dbmfile, 'c')
> 
>   File "/usr/src/build/475202-x86_64/install/usr/lib64/python2.3/anydbm.py",
> line 83, in open
>     return mod.open(file, flag, mode)
> 
>   File "/usr/src/build/475202-x86_64/install/usr/lib64/python2.3/dbhash.py",
> line 16, in open
>     return bsddb.hashopen(file, flag, mode)
> 
>   File "/usr/src/build/475202-x86_64/install/usr/lib64/python2.3/bsddb/__init__.py",
> line 192, in hashopen
> 
> DBInvalidArgError: (22, 'Invalid argument')
> -- end error --
> 
> I am using the Servlet classes from Daniel Popowich:
> http://home.comcast.net/~d.popowich/mpservlets/
> 
> In standalone programs anydbm and dbhash are working perfectly. What
> is the 'invalid argument'?
> 
> -- 
> Berry Groenendijk
> http://www.bersie.de
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