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From Filip Defoort <filip...@cirquedigital.com>
Subject Re: 3rd PowerPoint Slide is Corrupt
Date Thu, 21 Jan 2010 19:17:51 GMT
On Thu, Jan 21, 2010 at 11:14 AM, Joe Dente <jdente@21technologies.com> wrote:
> Thanks for the response.
> I find it very hard to believe that nobody's come across this issue
> before, so I'm sure I am just doing something wrong such as not
> releasing or closing an object or something. Here's a small java app
> that demonstrates the problem. I've tried it with POI-3.2-FINAL (the
> version I was intending to use) as well as POI-3.6 and the problem
> exists in both versions. The main will generate two ppt presentations;
> the 'twoSlides.ppt' deck is valid and the 'threeSlides.ppt' deck will be
> corrupt when you try and open them in PowerPoint. One interesting thing
> to note is that if you generate 3 slides and then do a single save as
> opposed to saving after creating every slide, the slide deck is not
> corrupted.

Actually, I have seen this before with the XSSF libraries - it seems
that when you save some state gets reset and you start getting errors
during all kinds of operations.

The only workaround I found was to re-read the file after save (it was
a Workbook in my case).

- Filip

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