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
*
	 * @param parent the parent composite
	 * @param id the id of the button (see
	 *  <code>IDialogConstants.*_ID</code> constants 
	 *  for standard dialog button ids)
	 * @param label the label from the button
	 * @param defaultButton <code>true</code> if the button is to be the
	 *   default button, and <code>false</code> otherwise
	 * 
	 * @return the new button
	 * 
	 * @see #getCancelButton
	 * @see #getOKButton()
	 */
	protected Button createButton(
		Composite parent,
		int id,
		String label,
		boolean defaultButton) {
		
		 ((GridLayout) parent.getLayout()).numColumns++;
		Button button = new Button(parent, SWT.PUSH);
		button.setText(label);
		button.setData(new Integer(id));
		button.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				buttonPressed(((Integer) event.widget.getData()).intValue());
			}
		});
		if (defaultButton) {