check zoom combo widget not disposed to protect async
updateGui()
@@ -1614,7 +1614,7 @@ public class HopGuiPipelineGraph extends HopGuiAbstractGraph
public void setZoomLabel() {
Combo combo = (Combo) toolBarWidgets.getWidgetsMap().get( TOOLBAR_ITEM_ZOOM_LEVEL );
- if ( combo == null ) {
+ if ( combo == null || combo.isDisposed() ) {
return;
}
String newString = Math.round( magnification * 100 ) + "%";
