LibreOffice crash

[Michael Stahl]

On 28.03.2015 21:52, Piet van Oostrum wrote:
> Piet van Oostrum wrote:
> 
>  > I am currently experimenting with programming LibreOffice through Python/UNO.
>  > One thing I tried is to create a document, not with the
>  > loadComponentFromURL call from the desktop, but the route via the
>  > XLoadable interface,
> 
> [snip]
> 
>  > Now when I do this with a Writer document:
>  > 
>  > textdoc = smgr.createInstanceWithContext("com.sun.star.text.TextDocument", context)
>  > 
>  > LibreOffice crashes with a segmentation fault. 

this is not a supported way to create a document: it will only create
the document model but no view or controller for it.  there is probably
some bug where a pointer is null and dereferenced, but if it didn't
crash it still wouldn't work because some APIs require that there is a view.

> I just came across this piece of prose:
> 
>   A few old-style services need special treatment. For example, you
>   cannot ask the service manager to create an instance of a
>   com.sun.star.text.TextDocument. You must load it using the method
>   loadComponentFromUrl() at the desktop's
>   com.sun.star.frame.XComponentLoader interface.
> 
> https://wiki.openoffice.org/wiki/Documentation/DevGuide/ProUNO/Understanding_the_API_Reference
> 
> I guess that explains it. Although I think crashing is a bit harsh :)