Bug 125144 Clicking Show Project in Package Explorer results in exception
Clicking Show Project in Code model results in exception in DOS box === Steps to Reproduce: Create a Java project Open the Package Explorer Click the View menu Show - Projects. (This actually is a radio group menu item. It is by default selected, so clicking it again should have no effect) === Observed behaviour: Dos box: Unhandled event loop exception Reason: java.lang.NullPointerException See .log file (will be attached) === Expected behaviour: No exception === Reproducibility: yes
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
}
				} else if (element instanceof IProject) {
					IProject project= (IProject)element;
					if (project.isOpen()) {
						IJavaProject jProject= JavaCore.create(project);
						if (jProject != null && jProject.exists())
							ns.add(jProject);
							changed= true;
					}
				}
			}
			if (changed) {
				newSelection= new StructuredSelection(ns);
				setSelection(newSelection);
			}
			super.handleInvalidSelection(invalidSelection, newSelection);
		}
		
		/**
		 * {@inheritDoc}
		 */
		protected Object[] addAditionalProblemParents(Object[] elements) {
			if (showWorkingSets()) {
				return fWorkingSetModel.addWorkingSets(elements);
			}
			return elements;
		}