Graham Dumpleton commented on MODPYTHON-234:

This error also seen by someone using Django and LimitRequestBody directive.


This directive may perhaps be a way of reproducing the problem allowing it to 
be tracked down.

Do note though that as a separate issue, mod_python doesn't work properly with 
LimitRequestBody. This is described in that discussion but I haven't logged it 
as a separate issue yet.

> SystemError: bad argument to internal function
> ----------------------------------------------
>                 Key: MODPYTHON-234
>                 URL: https://issues.apache.org/jira/browse/MODPYTHON-234
>             Project: mod_python
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.2.10, 3.3.1
>            Reporter: Graham Dumpleton
> As raised in thread:
>   http://www.modpython.org/pipermail/mod_python/2007-June/023795.html
> when req.read() is called, on rare occasions it can generate the error:
> 05 18:33:49 2007] [error] [client] SystemError: 
> Objects/stringobject.c:3515: bad argument to internal function,
> It is speculated that this is caused by an invalid value being supplied to 
> _PyString_Resize() with code associated with req.read(). In particular, most 
> likely being supplied a negative value for size.
> This issues possibly relates to problems with how mod_python makes use of 
> content length and what request_rec says in respect of remaining amount of 
> data as described in MODPYTHON-212.
> Further highlights how the code for req.read(), req.readline() and 
> req.readlines() has to be completely revised and overhauled to simply read 
> whatever is available rather than trusting content length.

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