Bug 85169 [Commands] errors: Not enough context in error message
Build: I20050214-0927 I found this message in my log after starting this build: !ENTRY org.eclipse.jface 4 0 2005-02-14 13:05:34.971 !MESSAGE The command is undefined What command? This error message needs more information. This message comes from ExternalActionManager#isActive.
bundles/org.eclipse.jface/src/org/eclipse/jface/action/ExternalActionManager.java
* being used. In the case of the Eclipse workbench, this is the command
		 * identifier.
		 * 
		 * @param identifier
		 *            The identifier of the item to from the listener should be
		 *            removed; must not be <code>null</code>.
		 * @param listener
		 *            The listener to be removed; must not be <code>null</code>.
		 */
		public void removePropertyChangeListener(String identifier,
				IPropertyChangeListener listener);
	}
	/**
	 * The singleton instance of this class. This value may be <code>null</code>--
	 * if it has not yet been initialized.
	 */
	private static ExternalActionManager instance;
	/**
	 * Retrieves the current singleton instance of this class.
	 * 
	 * @return The singleton instance; this value is never <code>null</code>.
	 */
	public static ExternalActionManager getInstance() {
		if (instance == null)
			instance = new ExternalActionManager();
		return instance;
	}
	/**
	 * The callback mechanism to use to retrieve extra information.
	 */