Please use the Apache issue tracking system for new NetBeans issues ( !!
Bug 169015 - AWT thread is blocked for long time when repainting tab
AWT thread is blocked for long time when repainting tab
Product: platform
Classification: Unclassified
Component: Embedded Browser
Macintosh Mac OS X
: P2 (vote)
: 6.x
Assigned To: Stanislav Aubrecht
Depends on:
  Show dependency treegraph
Reported: 2009-07-23 10:06 UTC by Michal Mocnak
Modified: 2009-08-07 09:45 UTC (History)
3 users (show)

See Also:
Issue Type: DEFECT

profiler dump (12.95 KB, application/octet-stream)
2009-07-23 10:07 UTC, Michal Mocnak
profiler dump (15.52 KB, application/octet-stream)
2009-07-27 14:02 UTC, Michal Mocnak

Note You need to log in before you can comment on or make changes to this bug.
Description Michal Mocnak 2009-07-23 10:06:09 UTC
Found in trunk #200907230201 ... it is reproducible from build #200907150201

It seems that is mac os x specific problem. Everytime when i set focus on ide or open projects tab for example whole ide freeze for a while. See dump from 
profiler which is attached. There you are able to see that the method setForeColor takes a lot af time.
Comment 1 Michal Mocnak 2009-07-23 10:07:26 UTC
Created attachment 85110 [details]
profiler dump
Comment 2 Vitezslav Stejskal 2009-07-23 12:24:09 UTC
I don't really see anything Netbeans specific here. The call ends up in JDK/java runtime and if this is slow on Mac
there is not much we can do about it.
Comment 3 Michal Mocnak 2009-07-23 12:48:30 UTC
Reopening. Can be reproduced on each mac (leopard 10.5.7, latest java update).
Comment 4 David Strupl 2009-07-23 13:42:44 UTC
I am not sure but I read the dump as that method
sun.java2d.loops.DrawGlyphListAA.DrawGlyphListAA takes too long and/or is invoked too often.

Really this does not seem to be NB problem. More like JDK on Mac problem. Can you please try one of those usual tricks
like turning off font antialising and similar?
Comment 5 Michal Mocnak 2009-07-23 13:56:27 UTC
Sorry but this is not reproducible in build #20090714 ... in all later builds it is. Due to this fact it isn't mac java specific problem.
Comment 6 Michal Mocnak 2009-07-27 14:01:46 UTC
New informations gained. This is happening only when at least on of the tab is slided in. When docked it's ok. I recorded new profiler dump when you are able 
to find new details in awt thread. Reassigning to the windows system for evaluation.
Comment 7 Michal Mocnak 2009-07-27 14:02:47 UTC
Created attachment 85251 [details]
profiler dump
Comment 8 Stanislav Aubrecht 2009-07-28 10:09:39 UTC
sliding windows are now heavyweight components because of embedded browser.
that's probably why repaints on mac are slow...
Comment 9 Stanislav Aubrecht 2009-07-29 16:21:03 UTC
heavyweight sliding windows are reverted (core-main 156ecf0d4431) so there should be no issues with long repaints
however the side-effect is that sliding windows will show beneath embedded browser window. on the other hand, embedded
browser probably won't be supported on mac os x...
Comment 10 Michal Mocnak 2009-08-07 09:45:15 UTC
Verified in trunk

By use of this website, you agree to the NetBeans Policies and Terms of Use. © 2014, Oracle Corporation and/or its affiliates. Sponsored by Oracle logo