src/java.desktop/share/classes/sun/awt/AWTAutoShutdown.java

*** 32,42 ****
  import java.util.IdentityHashMap;
  import java.util.Map;
  import java.util.Set;
  
  import sun.awt.util.ThreadGroupUtils;
- import sun.misc.ManagedLocalsThread;
  import sun.util.logging.PlatformLogger;
  
  /**
   * This class is to let AWT shutdown automatically when a user is done
   * with AWT. It tracks AWT state using the following parameters:
--- 32,41 ----
*** 335,346 ****
       * the new blocker thread starts.
       */
      private void activateBlockerThread() {
          AccessController.doPrivileged((PrivilegedAction<Thread>) () -> {
              String name = "AWT-Shutdown";
!             Thread thread = new ManagedLocalsThread(
!                     ThreadGroupUtils.getRootThreadGroup(), this, name);
              thread.setContextClassLoader(null);
              thread.setDaemon(false);
              blockerThread = thread;
              return thread;
          }).start();
--- 334,345 ----
       * the new blocker thread starts.
       */
      private void activateBlockerThread() {
          AccessController.doPrivileged((PrivilegedAction<Thread>) () -> {
              String name = "AWT-Shutdown";
!             Thread thread = new Thread(
!                    ThreadGroupUtils.getRootThreadGroup(), this, name, 0, false);
              thread.setContextClassLoader(null);
              thread.setDaemon(false);
              blockerThread = thread;
              return thread;
          }).start();