application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/views/stacktrace/StacktraceView.java

*** 639,649 ****
          @Override
          public void selectionChanged(IWorkbenchPart part, ISelection selection) {
                  if (selection instanceof IStructuredSelection) {
                          Object first = ((IStructuredSelection) selection).getFirstElement();
                          IItemCollection items = AdapterUtil.getAdapter(first, IItemCollection.class);
!                         if (items != null && !items.equals(itemsToShow)) {
                                  setItems(items);
                          }
                  }
          }
  
--- 639,652 ----
          @Override
          public void selectionChanged(IWorkbenchPart part, ISelection selection) {
                  if (selection instanceof IStructuredSelection) {
                          Object first = ((IStructuredSelection) selection).getFirstElement();
                          IItemCollection items = AdapterUtil.getAdapter(first, IItemCollection.class);
!                         if(items == null) {
!                                 setItems(ItemCollectionToolkit.build(Stream.empty()));
!                         }
!                         else if (!items.equals(itemsToShow)) {
                                  setItems(items);
                          }
                  }
          }