2010/5/12 Jérôme Tremblay <jerome.tremb...@gmail.com>:
> I am unable to run GAP from a network account on my mac.
>
> sage: gap('(1,2,3)')
>
> raise an exception.
>
> sage: gap_console()
>
> gives a little more information:
>
> Couldn't open saved workspace /Network/Servers/hostname.ca/Users/
> tremblayj/.sage//gap/workspace-4762775528093915922
>
> When I use a local account, everything works fine.
>
> Can anyone help me?
>
>
>
>
> Full session:
>
> sage: gap('(1,2,3)')
> ---------------------------------------------------------------------------
> TypeError                                 Traceback (most recent call
> last)
>
> /Network/Servers/thales.math.uqam.ca/Users/tremblayj/<ipython console>
> in <module>()
>
> /Library/sage/local/lib/python2.6/site-packages/sage/interfaces/
> expect.py in __call__(self, x, name)
>   1030
>   1031         if isinstance(x, basestring):
> -> 1032             return cls(self, x, name=name)
>   1033         try:
>   1034             return self._coerce_from_special_method(x)
>
> /Library/sage/local/lib/python2.6/site-packages/sage/interfaces/
> expect.py in __init__(self, parent, value, is_name, name)
>   1449             except (TypeError, KeyboardInterrupt,
> RuntimeError, ValueError), x:
>   1450                 self._session_number = -1
> -> 1451                 raise TypeError, x
>   1452         self._session_number = parent._session_number
>   1453
>
> TypeError: Unable to start gap
> sage: gap_console()
> Couldn't open saved workspace /Network/Servers/thales.math.uqam.ca/
> Users/tremblayj/.sage//gap/workspace-4762775528093915922
> sage: version()
> 'Sage Version 4.4.1, Release Date: 2010-05-02'
> sage:

I created a ticket with a patch:

    http://trac.sagemath.org/sage_trac/ticket/9938

Basically, GAP does not start if the path to the GAP workspace file
contains more than 82 characters.

Franco

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