Bug 188808 [Preferences] Workbench Preferences dialog cannot filter default preference page
Build ID: 3.3 Steps To Reproduce: 1. Unzip an Eclipse SDk package to somewhere. (Or, clean the exist eclipse configuration directory) 2. Copy the Attached TestFilter_1.0.0.jar to eclipse/plugins folder. 3. Launch Eclipse then Click "Windows" -> "Prefereneces" in order to open the Preferences dialog. 4. You will find the Prefereneces display an empty area and no contents yet. And no default node is selected. 5. But if click any page node from left, show corresponding page. 6. Next time to launch eclipse, all of them are normally. I pasted the two screen-shots, one is correct pictures and another is wrong. More information:
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
* Save the last known tree width.
	 * 
	 * @param width
	 *            the width.
	 */
	private void setLastTreeWidth(int width) {
		lastTreeWidth = width;
	}
	/**
	 * Set the message text. If the message line currently displays an error,
	 * the message is stored and will be shown after a call to clearErrorMessage
	 * <p>
	 * Shortcut for <code>setMessage(newMessage, NONE)</code>
	 * </p>
	 * 
	 * @param newMessage
	 *            the message, or <code>null</code> to clear the message
	 */
	public void setMessage(String newMessage) {
		setMessage(newMessage, IMessageProvider.NONE);
	}
	/**
	 * Sets the message for this dialog with an indication of what type of
	 * message it is.
	 * <p>
	 * The valid message types are one of <code>NONE</code>,
	 * <code>INFORMATION</code>,<code>WARNING</code>, or
	 * <code>ERROR</code>.
	 * </p>
	 * <p>