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/NewSourceFolderWizardPage.java
IClasspathEntry curr= fEntries[i];
					if (curr.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
						if (path.equals(curr.getPath())) {
							fRootStatus.setError(NewWizardMessages.getString("NewSourceFolderWizardPage.error.AlreadyExisting")); 
							return;
						}
						if (projPath.equals(curr.getPath())) {
							fIsProjectAsSourceFolder= true;
							curr= JavaCore.newSourceEntry(path);
						}	
					}
					newEntries.add(curr);
				}
				if (!fIsProjectAsSourceFolder) {
					newEntries.add(JavaCore.newSourceEntry(path));
				}
	
				IClasspathEntry[] newEntriesArray= (IClasspathEntry[]) newEntries.toArray(new IClasspathEntry[newEntries.size()]);
				IStatus status= JavaConventions.validateClasspath(fCurrJProject, newEntriesArray, fOutputLocation);
				if (!status.isOK()) {
					if (fIsProjectAsSourceFolder && fOutputLocation.equals(projPath)) {
						IPath newOutputLocation= projPath.append(NewJavaProjectPreferencePage.getOutputLocationName());
						IStatus status2= JavaConventions.validateClasspath(fCurrJProject, newEntriesArray, newOutputLocation);
						if (status2.isOK()) {
							fRootStatus.setWarning(NewWizardMessages.getFormattedString("NewSourceFolderWizardPage.warning.ReplaceSFandOL", newOutputLocation.toString())); 
							return;
						}
					}
					fRootStatus.setError(status.getMessage());
				} else if (fIsProjectAsSourceFolder) {