Bug 236795 [JFace] SWT Exception creates endless cycle
bundles/org.eclipse.jface/src/org/eclipse/jface/operation/ModalContext.java
/**
		 * The operation to be run.
		 */
		private IRunnableWithProgress runnable;
		/**
		 * The exception thrown by the operation starter.
		 */
		private Throwable throwable;
		/**
		 * The progress monitor used for progress and cancelation.
		 */
		private IProgressMonitor progressMonitor;
		/**
		 * The display used for event dispatching.
		 */
		private Display display;
		/**
		 * Indicates whether to continue event queue dispatching.
		 */
		private volatile boolean continueEventDispatching = true;