Description of problem:
Assertion failed in jface when opening launch configuration in debug mode of plugin development environment.
Version-Release number of selected component (if applicable):
Fedora Eclipse 3.4.2
PDE project also failes on Fedora Core 11 with local install of downloaded version of Eclipse 3.4.2.
PDE project works with downloaded version of Eclipse on RedHat 5.3.
Steps to Reproduce:
*** This bug has been marked as a duplicate of bug 521254 ***