Bug 178394 NPE in marker adapter buildAll markers
This shows up occasionally in the test suite logs. Probably happening during shutdown !STACK 0 java.lang.NullPointerException at org.eclipse.ui.views.markers.internal.MarkerAdapter.buildAllMarkers(MarkerAdapter.java:262) at org.eclipse.ui.views.markers.internal.MarkerView.updateForContentsRefresh(MarkerView.java:570) at org.eclipse.ui.views.markers.internal.MarkerView$MarkerProcessJob.run(MarkerView.java:151) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
}
	/**
	 * Get the name of the marker limit preference.
	 * 
	 * @return String
	 */
	abstract String getMarkerEnablementPreferenceName();
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.TableView#createViewerInput()
	 */
	Object createViewerInput() {
		adapter = new MarkerAdapter(this);
		return adapter;
	}
	/**
	 * Add a listener for the end of the update.
	 * 
	 * @param listener
	 */
	public void addUpdateFinishListener(IJobChangeListener listener) {
		updateJob.addJobChangeListener(listener);
	}
	/**
	 * Remove a listener for the end of the update.
	 * 
	 * @param listener
	 */
	public void removeUpdateFinishListener(IJobChangeListener listener) {