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MathGroup Archive 2001

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  • To: mathgroup at
  • Subject: [mg28224] Re: [mg28193] Re: MATHEMATICA WARNING
  • From: Raul Martinez <rmartinez at>
  • Date: Thu, 5 Apr 2001 03:00:37 -0400 (EDT)
  • Organization: Vista Research Inc
  • References: <9abshk$> <>
  • Sender: owner-wri-mathgroup at

> I just ran into this problem yesterday. Here's what I saw.  Another
> file with the same name as my notebook had been created and was
> represented by a generic icon, not the usual Mathematica notebook icon.
> I opened this generic file in a text processor and it contained a badly
> corrupted version of the notebook. My actual notebook was still on the
> disk. I deleted the generic file, opened my actual notebook and found
> that the most recent work had not been saved. Fortunately, I was able
> to recreate my most recent work (it was minimal anyway, lucky I guess).
> I suspect this is not necessarily a Mathematica bug. It could be a
> disconnect between Mathematica and the file manager, however. I've seen
> the problem before, but in my experience it occurs very infrequently.

Raul Martinez


> >>>>> Blimbaum Jerry DLPC <BlimbaumJE at> writes:
>   >     On several ocassions I have received the following Mathematica
>   > question when trying to save a notebook..."The file on disk has
>   > been modified outside of Mathematica.  Unfortunately, the notebook
>   > you are using is not entirely in memory and cannot be restored.
>   > Try to save the notebook?"...
> Could be a Mathematica bug, or (maybe more likely) a filesystem
> bug. Is your notebook file on a nfs (or other) network server? Is the
> system time properly synchronized across the network?
>   J:)rgen Stockburger

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