Cay Horstmann wrote:
> I run XXE on Ubuntu Linux 6.06 with the latest weekly Java 6 builds.
> Ever so often, XXE slows down to a crawl--refreshing the window can take
> a minute or two, sometimes much longer, even with very short documents.
> 
> When I use Java 5 instead, the problem goes away.
> 
> I prefer to run under Java 6--it does a better job with native look &
> feel. 

All XXE non-regression tests (hundreds) have passed against Java 6
*beta2*. I don't know if this build is the same as the "latest weekly
build".

When we use XXE, here at XMLmind, to write our own documents on SuSE
Linux 9, 9.3 (with the Metal Ocean fook and feel) or on Windows XP SP2
(with the native look and feel) running Java 6 beta 2, it works fine. Of
course, as always, XXE is more snappy on Windows than on Linux and on
Mac OS X.

However, on Linux, and only on Linux, text anti-aliasing makes XXE
*sluggish* (well, at least on my ``old'' P4 2.2GHz 512Mb/GeForce4 MX 440).

With the GTK+, anti-aliased, look and feel (which is not officially
supported by XMLmind -- see
http://www.xmlmind.com/xmleditor/limitations.html), it even makes XXE
nearly *unusable*. That's a pity because it sure looks good: see
attached screen shot.



> I'd be glad to try to help with debugging, but I am not sure how
> to start.

Ideas:

[1] This is related to anti-aliasing. In such case, use the Metal Ocean
fook and feel, turn anti-aliasing off (Options|Options, General section)
and keeping using Java 6. Then tell us what happens.

[2] This is related to garbage-collection. In such case, from time to
time, use "Help|About XMLmind XML Editor" to keep an eye on memory usage.

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