src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/ui/JavaThreadsPanel.java

rev 54717 : imported patch 8223306

*** 457,472 ****
          crashed.ifPresent(this::showThreadStackMemory);
          return crashed.isPresent();
      }
  
      private void cache() {
!         Threads threads = VM.getVM().getThreads();
!         for (JavaThread t = threads.first(); t != null; t = t.next()) {
              if (t.isJavaThread()) {
                  cachedThreads.add(new CachedThread(t));
              }
!         }
      }
  
      private void decache() {
          cachedThreads.clear();
      }
--- 457,471 ----
          crashed.ifPresent(this::showThreadStackMemory);
          return crashed.isPresent();
      }
  
      private void cache() {
!         VM.getVM().getThreads().doJavaThreads((t) -> {
              if (t.isJavaThread()) {
                  cachedThreads.add(new CachedThread(t));
              }
!         });
      }
  
      private void decache() {
          cachedThreads.clear();
      }