Bug 11546 Progress bar gets cleared during project creation
IMPORTANT: Start a new empty workspace Start to create a Java project Enter "JUnit" as name Press "Finish" ==> Progress bar goes to right, then gets cleared and user has to wait without knowing what's going to happen.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/NewProjectCreationWizardPage.java
public void setVisible(boolean visible) {
		if (visible) {
			update();
		}
		super.setVisible(visible);
	}
	
	/* (non-Javadoc)
	 * @see IWizardPage#getPreviousPage()
	 */
	public IWizardPage getPreviousPage() {
		if (fProjectCreated) {
			return null;
		}
		return super.getPreviousPage();
	}
	
	public IRunnableWithProgress getRunnable() {
		return new IRunnableWithProgress() {
			public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
				if (monitor == null)
					monitor= new NullProgressMonitor();
				
				monitor.beginTask(NewWizardMessages.getString("NewProjectCreationWizardPage.NormalCreationOperation.desc"), 4); 
				try {
					createProject(new SubProgressMonitor(monitor, 1));
					if (getJavaProject() == null) {
						initFromExistingStructures(new SubProgressMonitor(monitor, 1));
					} else {
						monitor.worked(1);