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
}
				}
			}
		}
		protected void internalRefresh(Object element, boolean updateLabels) {
			List l= (List)fAdditionalMappings.get(element);
			if (l == null) {
				super.internalRefresh(element, updateLabels);
			} else {
				List stable= new ArrayList(l);
				super.internalRefresh(element, updateLabels);
				for (Iterator iter= stable.iterator(); iter.hasNext();) {
					Widget item= (Widget)iter.next();
					super.internalRefresh(item, element, true, updateLabels);				
				}
			}
		}
		protected void internalUpdate(Widget item, Object element, String[] properties) {
			List l= (List)fAdditionalMappings.get(element);
			if (l == null) {
				super.internalUpdate(item, element, properties);
			} else {
				List stable= new ArrayList(l);
				super.internalUpdate(item, element, properties);
				for (Iterator iter= stable.iterator(); iter.hasNext();) {
					Widget additionalItem= (Widget)iter.next();
					super.internalUpdate(additionalItem, element, properties);
				}
			}
		}