Bug 73715 [Workbench] (regression) Workbench menus disappeared after closing the perspective
We have several menu items on the RCP workbench, when we close the perspective from the perspective bar,(right mouse click on the perspective tab and select close) the menu items on the workbench all disappeared. This leaves the workbench in a state that is not useable. I am attaching the RCP tutorial part3, the only change I made to the tutorial code was to add configurer.setShowPerspectiveBar(true); We are running Eclipse 3.0.1 M2, this used to work in Eclipse 3.0
bundles/org.eclipse.jface/src/org/eclipse/jface/action/SubMenuManager.java
/**
     * The menu listener added to the parent.  Lazily initialized
     * in addMenuListener.
     */
    private IMenuListener menuListener;
    /**
     * Constructs a new manager.
     *
     * @param mgr the parent manager.  All contributions made to the 
     *      <code>SubMenuManager</code> are forwarded and appear in the
     *      parent manager.
     */
    public SubMenuManager(IMenuManager mgr) {
        super(mgr);
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.action.IMenuManager#addMenuListener(org.eclipse.jface.action.IMenuListener)
     */
    public void addMenuListener(IMenuListener listener) {
        menuListeners.add(listener);
        if (menuListener == null) {
            menuListener = new IMenuListener() {
                public void menuAboutToShow(IMenuManager manager) {
                    Object[] listeners = menuListeners.getListeners();
                    for (int i = 0; i < listeners.length; ++i) {
                        ((IMenuListener) listeners[i])
                                .menuAboutToShow(SubMenuManager.this);
                    }
                }
            };