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
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.window.Window;
/**
 * A dialog is a specialized window used for narrow-focused communication
 * with the user.
 * <p>
 * Dialogs are usually modal. Consequently, it is generally bad practice
 * to open a dialog without a parent. A model dialog without a parent 
 * is not prevented from disappearing behind the application's other windows,
 * making it very confusing for the user.
 * </p>
 */
public abstract class Dialog extends Window {
	/**
	 * Image registry key for error image (value <code>"dialog_error_image"</code>).
	 */
	public static final String DLG_IMG_ERROR = "dialog_error_image"; 
	/**
	 * Image registry key for info image (value <code>"dialog_info_image"</code>).
	 */
	public static final String DLG_IMG_INFO = "dialog_info_imageg"; 
	/**