Bug 51837 [Progress] Bad message in progress dialog
I20040210 I got a bogus message when running a pile of jobs. A progress dialog appeared that read: "The operation cannot proceed because it is blocked by a background" A background what? :)
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/Dialog.java
* All other button presses are ignored. Subclasses may override
	 * to handle other buttons, but should call <code>super.buttonPressed</code>
	 * if the default handling of the ok and cancel buttons is desired.
	 * </p>
	 *
	 * @param buttonId the id of the button that was pressed (see
	 *  <code>IDialogConstants.*_ID</code> constants)
	 */
	protected void buttonPressed(int buttonId) {
		if (IDialogConstants.OK_ID == buttonId)
			okPressed();
		else if (IDialogConstants.CANCEL_ID == buttonId)
			cancelPressed();
	}
	/**
	 * Notifies that the cancel button of this dialog has been pressed.
	 * <p>
	 * The <code>Dialog</code> implementation of this framework method sets
	 * this dialog's return code to <code>Window.CANCEL</code>
	 * and closes the dialog. Subclasses may override if desired.
	 * </p>
	 */
	protected void cancelPressed() {
		setReturnCode(CANCEL);
		close();
	}
	/**
	 * Returns the number of pixels corresponding to the
	 * height of the given number of characters.
	 * <p>