OverflowError in RLock.acquire()

David Roberts d at vidr.cc
Fri Jul 24 06:41:01 CEST 2009


I forgot to mention, Python version is 2.6.2.

--
David Roberts
http://da.vidr.cc/



On Fri, Jul 24, 2009 at 14:27, David Roberts<d at vidr.cc> wrote:
> Hi,
>
> I'm trying to port a Python application to Windows, and I'm getting
> the following error (which did not occur when running on Linux):
>
> Exception in thread Thread-4:
> Traceback (most recent call last):
>  File "C:\Python26\lib\threading.py", line 525, in __bootstrap_inner
>    self.run()
>  File "C:\Documents and Settings\David\My
> Documents\pyzui\pyzui\tileprovider.py", line 97, in run
>    self.__tilecache[tile_id] = Tile(tile)
>  File "C:\Documents and Settings\David\My
> Documents\pyzui\pyzui\tilecache.py", line 165, in __setitem__
>    with self.__lock:
>  File "C:\Python26\lib\threading.py", line 115, in acquire
>    me = current_thread()
>  File "C:\Python26\lib\threading.py", line 803, in currentThread
>    return _active[_get_ident()]
> OverflowError: can't convert negative value to unsigned long
>
> Where __lock is an RLock object.
>
> The error only occurs for a single class (which is derived from the
> TileProvider class in tileprovider.py, which in turn is derived from
> threading.Thread), which would lead me to believe that there's an
> error in my code, but the traceback doesn't help much, and I haven't
> been able to find any similar problems with google.
>
> Any help would be appreciated.
>
> --
> David Roberts
> http://da.vidr.cc/
>



More information about the Python-list mailing list