Bug 240574 [CommonNavigator] Closed projects have a + indication after IDE restart
The content provider "JEE Navigator Content App Client" and "JEE Navigator Content EAR" cause the project explorer to display the [+] symbol on closed projects. How to reproduce - Distro: "Eclipse IDE for Java EE Developers" - Close a project - Activate the "JEE Navigator Content App Client" at "Project Explorer" -> "Customize View" -> "Content" Possible a bug in the "public boolean hasChildren(Object element)" methods of the two content provider.
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/internal/navigator/resources/workbench/ResourceExtensionContentProvider.java
private Viewer viewer;
	
	/**
	 *  
	 */
	public ResourceExtensionContentProvider() {
		super();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.model.BaseWorkbenchContentProvider#getElements(java.lang.Object)
	 */
	public Object[] getElements(Object element) {
		return super.getChildren(element);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.model.BaseWorkbenchContentProvider#getChildren(java.lang.Object)
	 */
	public Object[] getChildren(Object element) {
		if(element instanceof IResource)
			return super.getChildren(element);
		return NO_CHILDREN;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.ui.model.BaseWorkbenchContentProvider#hasChildren(java.lang.Object)
	 */