Bug 19045 Not Present exception: when changing the output folder
1) create a JUnit project with a src and bin folder 2) open properties on the project 3) rename bin->bin2 ->get the following not present exception org.eclipse.core.internal.resources.ResourceException: Resource /junit/bin3/junit does not exist. at org.eclipse.core.internal.resources.Resource.checkExists (Resource.java:179) at org.eclipse.core.internal.resources.Container.members (Container.java:177) at org.eclipse.core.internal.resources.Container.members (Container.java:160) at org.eclipse.jdt.internal.ui.wizards.buildpaths.BuildPathsBlock.removeOldClassfil es(BuildPathsBlock.java:721) at org.eclipse.jdt.internal.ui.wizards.buildpaths.BuildPathsBlock.removeOldClassfil es(BuildPathsBlock.java:723) at org.eclipse.jdt.internal.ui.wizards.buildpaths.BuildPathsBlock.internalConfigure JavaProject(BuildPathsBlock.java:656) at org.eclipse.jdt.internal.ui.wizards.buildpaths.BuildPathsBlock.configureJavaProj ect(BuildPathsBlock.java:631) at org.eclipse.jdt.internal.ui.preferences.BuildPathsPropertyPage$1.run (BuildPathsPropertyPage.java:132) at org.eclipse.ui.actions.WorkspaceModifyDelegatingOperation.execute (WorkspaceModifyDelegatingOperation.java:39) at org.eclipse.ui.actions.WorkspaceModifyOperation$1.run (WorkspaceModifyOperation.java:64) at org.eclipse.core.internal.resources.Workspace.run (Workspace.java:1361) at org.eclipse.ui.actions.WorkspaceModifyOperation.run (WorkspaceModifyOperation.java:78) at org.eclipse.jface.operation.ModalContext.runInCurrentThread (ModalContext.java:299) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:249) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run (ProgressMonitorDialog.java:335) at org.eclipse.jdt.internal.ui.preferences.BuildPathsPropertyPage.performOk (BuildPathsPropertyPage.java:140) at org.eclipse.jface.preference.PreferenceDialog.okPressed (PreferenceDialog.java:577) at org.eclipse.jface.preference.PreferenceDialog.buttonPressed (PreferenceDialog.java:176) at org.eclipse.jface.dialogs.Dialog$1.widgetSelected(Dialog.java:398) at org.eclipse.swt.widgets.TypedListener.handleEvent (TypedListener.java:85) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:75) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:825) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:1527) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1289) at org.eclipse.jface.window.Window.runEventLoop(Window.java:558) at org.eclipse.jface.window.Window.open(Window.java:538) at org.eclipse.ui.dialogs.PropertyDialogAction.run (PropertyDialogAction.java:159) at org.eclipse.jface.action.Action.runWithEvent(Action.java:749) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection (ActionContributionItem.java:407) at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent (ActionContributionItem.java:361) at org.eclipse.jface.action.ActionContributionItem.access$0 (ActionContributionItem.java:352) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent (ActionContributionItem.java:47) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:75) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:825) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:1527) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1289) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1177) at org.eclipse.ui.internal.Workbench.run(Workbench.java:1160) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:739) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:462) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.eclipse.core.launcher.Main.basicRun(Main.java:244) at org.eclipse.core.launcher.Main.run(Main.java:693) at org.eclipse.core.launcher.Main.main(Main.java:526) !ENTRY org.eclipse.core.resources 4 368 Jun 04, 2002 16:02:11.183 !MESSAGE Resource /junit/bin3/junit does not exist.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/BuildPathsBlock.java
GridLayout layout= new GridLayout();
		layout.marginWidth= 0;
		layout.numColumns= 1;		
		composite.setLayout(layout);
		
		TabFolder folder= new TabFolder(composite, SWT.NONE);
		folder.setLayout(new TabFolderLayout());	
		folder.setLayoutData(new GridData(GridData.FILL_BOTH));
		folder.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				tabChanged(e.item);
			}	
		});
		
		ImageRegistry imageRegistry= JavaPlugin.getDefault().getImageRegistry();
		
		TabItem item;
				
		fSourceContainerPage= new SourceContainerWorkbookPage(fWorkspaceRoot, fClassPathList, fBuildPathDialogField);		
		item= new TabItem(folder, SWT.NONE);
		item.setText(NewWizardMessages.getString("BuildPathsBlock.tab.source")); 
		item.setImage(imageRegistry.get(JavaPluginImages.IMG_OBJS_PACKFRAG_ROOT));
		item.setData(fSourceContainerPage);		
		item.setControl(fSourceContainerPage.getControl(folder));
		
		IWorkbench workbench= JavaPlugin.getDefault().getWorkbench();	
		Image projectImage= workbench.getSharedImages().getImage(ISharedImages.IMG_OBJ_PROJECT);
		
		fProjectsPage= new ProjectsWorkbookPage(fClassPathList);		
		item= new TabItem(folder, SWT.NONE);