[ jEdit-devel ] [ jedit-Patches-3161330 ] Fix for OS X startup bug

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Patches item #3161330, was opened at 2011-01-18 17:08
Message generated for change (Comment added) made by jarekczek
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Category: general
Group: None
>Status: Closed
Resolution: Accepted
Priority: 5
Private: No
Submitted By: Evan Wright (evanpw)
Assigned to: Townsfolk (elberry)
Summary: Fix for OS X startup bug

Initial Comment:
This is a fix for Bug #3034220 - "jEdit fails to load text-file under Mac OS X". 

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Comment By: Jarek Czekalski (jarekczek)
Date: 2012-04-22 23:40

Message:
The entry has been pending for 14 days or more and is being closed now.
The procedure is described in wiki:
https://sourceforge.net/apps/mediawiki/jedit/index.php?title=Bug_tracker_details#Pending

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Comment By: Townsfolk (elberry)
Date: 2011-09-06 10:51

Message:
applied in rev: 19932

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Comment By: Evan Wright (evanpw)
Date: 2011-09-03 07:59

Message:
I realized that I never uploaded the example program, so I've done so now.
I can also verify that the issue is still present in the latest Java update
for OSX 10.6. I've posted about the issue on Apple's java-dev mailing list
and a member of Apple's java team confirmed that this is not the expected
behavior and seemed to be a JVM bug:
http://lists.apple.com/archives/java-dev/2011/Feb/msg00096.html.

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Comment By: Evan Wright (evanpw)
Date: 2011-02-08 12:38

Message:
I've attached an example program to show the necessity of the
SwingUtilities.invokeLater I added in the patch. Build with "ant" (needs
JarBundler in the classpath), then run test.sh to test the program 100
times. With the invokeLater, it works every time for me. Then change
"works()" in the main method to "fails()" and try again (only change is
that there is no invokeLater). This time, the program fails (should pop up
a message box) about 1 of every 5 trials. I think this must be an
undocumented "feature" of Apple's version of Java - I'm using Java for Mac
OS X 10.6 Update 3.

You can try adding delays or opening a JFrame before adding the application
listener (like jEdit actually does). Some changes can make the problem less
frequent, but the only one that seems to always work is to use invokeLater.

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