Bug 33512 NPE in JavaOutlinePage.getMainType
Build: 2.1 RC1 I found the following in my log file today. I don't know how it happened, and it only happened the once: java.lang.NullPointerException at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage.getMainType(JavaOutlinePage.java:795) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage$1.run(JavaOutlinePage.java:150) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java(Compiled Code)) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java(Compiled Code)) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java(Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java(Compiled Code)) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java(Compiled Code)) at org.eclipse.ui.internal.Workbench.run(Workbench.java:1254) at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:845) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:247) at org.eclipse.core.launcher.Main.run(Main.java:703) at org.eclipse.core.launcher.Main.main(Main.java:539)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaOutlinePage.java
for (int i= 0; i < changed.length; i++) {
								if (changed[i] != null && changed[i].equals(resource)) {
									
									event= new LabelProviderChangedEvent((IBaseLabelProvider) event.getSource());
									break;
								}
							}
						}
					}
					super.handleLabelProviderChanged(event);
				}
				
				private IResource getUnderlyingResource() {
					Object input= getInput();
					if (input instanceof ICompilationUnit) {
						ICompilationUnit cu= (ICompilationUnit) input;
						if (cu.isWorkingCopy()) {
							return cu.getOriginalElement().getResource();
						} else {
							return cu.getResource();
						}				
					} else if (input instanceof IClassFile) {
						return ((IClassFile) input).getResource();
					}
					return null;
				}				
				
			};
				
			class LexicalSortingAction extends Action {