@@ -920,7 +920,8 @@ protected String thisName(ThreadReference t) {
       if (!t.isSuspended() || t.frameCount() == 0) {
         return "";
       }
-      return t.frame(0).thisObject().referenceType().name();
+      ObjectReference ref = t.frame(0).thisObject();
+      return ref == null ? "" : ref.referenceType().name();
 
     } catch (IncompatibleThreadStateException ex) {
       log(Level.SEVERE, null, ex);
Original file line number	Diff line number	Diff line change
@@ -920,7 +920,8 @@ protected String thisName(ThreadReference t) {
920	920	if (!t.isSuspended() \|\| t.frameCount() == 0) {
921	921	return "";
922	922	}
923		- return t.frame(0).thisObject().referenceType().name();
	923	+ ObjectReference ref = t.frame(0).thisObject();
	924	+ return ref == null ? "" : ref.referenceType().name();
924	925
925	926	} catch (IncompatibleThreadStateException ex) {
926	927	log(Level.SEVERE, null, ex);