Kelly and Arved, thank you your comments.
> At 01:56 PM 6/12/01 -0600, Kelly Campbell wrote:
> >I seem to remember fixing some of the possible problems in a more recent
> >release. And I know Keiron or Arved also fixed a problem with a static page
> >numbering variable that would cause problems like that.
>
> To be exact, the fact that page-number was static was changed, precisely
> because it _was_ a problem in multi-threading. This broke page-numbering
> state across page-sequences, and still remains to be handled (obvious way is
> to pull logic up into Root).
That was probably runningePagNumberCounter. I'll see if this is enough.
> Try 0.18.1 and see if it works better for your application.
Big adventure to try to recreate my changes there.
> One approach for tracking down strange problems when running multiple
> threads is to look for any non-final static class variables. These are
> likely candidates for problems like that.
So I found a few candidates:
- Configuration stuff (unlikely to cause problems, but inhibits using
different configurations at the same time, right? Maybe it's time to
have another look at Avalon.)
- MessageHandler stuff (similar to above)
- FopImageFactory m_urlMap (Maybe. I've had some error message with
images but that could be my special URL type)
- ImageReader formats (no real candidate, but the variable should be
filled in a static block, not in the constructor)
Jeremias Märki
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