jEdit Community - Resources for users of the jEdit Text Editor
jEdit 4.3pre15 fails to start on Mac after Java 1.5.0.16 update
Submitted by Seron on Wednesday, 24 September, 2008 - 23:20
I get these error messages. Don't know if they are related to the problem.

01:08:34 [main] [error] PluginJAR: Error while starting plugin macos.MacOSPlugin
01:08:34 [main] [error] PluginJAR: java.lang.NoClassDefFoundError: com/apple/cocoa/application/NSMenu
01:08:34 [main] [error] PluginJAR: at macos.MacOSPlugin.start(Unknown Source)
01:08:34 [main] [error] PluginJAR: at org.gjt.sp.jedit.PluginJAR.startPlugin(PluginJAR.java:1363)
01:08:34 [main] [error] PluginJAR: at org.gjt.sp.jedit.PluginJAR.activatePlugin(PluginJAR.java:739)
01:08:34 [main] [error] PluginJAR: at org.gjt.sp.jedit.PluginJAR.activatePluginIfNecessary(PluginJAR.java:809)
01:08:34 [main] [error] PluginJAR: at org.gjt.sp.jedit.jEdit.main(jEdit.java:462)
01:08:34 [main] [error] ErrorListDialog$ErrorEntry: /Applications/jEdit.app/Contents/Resources/Java/jars/MacOS.jar:
01:08:34 [main] [error] ErrorListDialog$ErrorEntry: Cannot start: java.lang.NoClassDefFoundError: com/apple/cocoa/application/NSMenu
01:08:34 [main] [error] ErrorListDialog$ErrorEntry: Try updating to a newer version of the plugin.
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I found a number of different
by Seron on Tue, 07/10/2008 - 01:26
I found a number of different solutions here:

http://discussions.apple.com/thread.jspa?messageID=8174568
fails to start after on Mac after Java 1.5.0.16 update
by aka3 on Wed, 01/10/2008 - 14:04
I face the same problem.
I tried to use all 4 different JVMs that Java Prefereces enables.
And the 64 bit versions actually seems to work a little better than the default 32 Bit version.
But still jEdit does not launch for me either

I dont know here to see the trace you provide
64-bit?
by theorik on Wed, 01/10/2008 - 08:41
This seems to be a problem similar to what occurs with Java 6 and in fact, I think it is the same problem; for me, this only occurred on a 64-bit Mac (not on the 32-bit one next to it). It went away when I activated "open in 32-bit mode" (or similar, I used a German Mac OS X); to access this option, you can access the file/bundle properties in the finder (command-i). Does this work for you?
 
another option
by Robert Schwenn on Wed, 01/10/2008 - 19:16
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