Sunday 5 October 2008

jEdit and Java Apps no Longer Start on OS X 10.5 Leopard


I tried to run jEdit this morning and it would no longer launch on my MacPro. Recently, Apple updated Java on OS X 10.5 and that appears to have broken Java apps. So after Googling around a bit, I found a solution on the support forums.


The jEdit executable is defined as a symbolic link in /Applications/JEdit.app/Contents/MacOS/jedit, which points to /System/Library/Frameworks/JavaVM.framework/Versions/A/Resources/MacOS/JavaApplicationStub. This seems to be the problem. To fix it, copy /System/Library/Frameworks/JavaVM.framework/Versions/A/Resources/MacOS/JavaApplicationStub to /Applications/JEdit.app/Contents/MacOS/jedit. The jEdit app should now start correctly.


The problem does not affect all systems. The jEdit on my MacBook works just fine after the update. No changes needed.

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