It might help to give more information about the machines. In
particular, what versions of Python are on the production machines?
Devin
On Sun, Sep 25, 2011 at 8:31 AM, Timmy O'Mahony
<t.omahony.dub...@gmail.com> wrote:
> Hey, I have a question on Stackoverflow at the moment that I thought I would
> put up here as it might get some more eyes (It has a bounty so feel free to
> answer there if you have a SO account!)
>
> ----
>
> I have some test code (as a part of a webapp) that uses urllib2 to perform an
> operation I would usually perform via a browser:
>
> - Log in to a remote website (this works)
> - Move to another page (this works)
> - Perform a POST by filling in a form (read on ...!)
>
> I've created 4 separate, clean virtualenvs (with --no-site-packages) on 3
> different machines, all with different versions of python but the exact same
> packages (via pip requirements file), and the code only works on the two
> virtualenvs on my local development machine(2.6.1 and 2.7.2) - it won't work
> on either of my production VPSs :(
>
> In the failing cases, I can log in successfully, move to the correct page but
> when I submit the form, the remote server replies telling me that there has
> been an error - it's an application server error page ('we couldn't complete
> your request') and not a webserver error.
>
> - because I can successfully log in and maneuver to a second page, this
> doesn't seem to be a session or a cookie problem - it's particular to the
> final POST
>
> - because I can perform the operation on a particular machine with the EXACT
> same headers and data, this doesn't seem to be a problem with what I am
> requesting/posting
>
> - because I am trying the code on two separate VPS rented from different
> companies, this doesn't seem to be a problem with the VPS physical environment
>
> - because the code works on 2 different python versions, I can't imagine it
> being an incompabilty problem
> I'm completely lost at this stage as to why this wouldn't work. I've even
> 'turned-it-off-and-turn-it-on-again' because I just can't see what the
> problem could be.
>
> I've tried everything I can think of to get this working. I've been through
> all of the headers of the requests & responses and they are all the same
> between machines.
>
> The server I am trying to contact is a Tomcat server. It gives me a cookie
> called JSESSIONID and it also requires an apache.struct.token in the POST
> data which I am succesfully extracting with BeautifulSoup/lxml. Again, this
> works on 2 machines, so I don't think it's an ommision on my behalf, I think
> it's a compatibility or an encoding error.
>
> Any ideas welcome!
>
>
>
> --
> http://mail.python.org/mailman/listinfo/python-list
>
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