--- old/src/java.desktop/share/classes/sun/awt/AWTAutoShutdown.java 2016-04-01 14:39:18.330986033 -0700 +++ new/src/java.desktop/share/classes/sun/awt/AWTAutoShutdown.java 2016-04-01 14:39:18.226986035 -0700 @@ -34,7 +34,6 @@ import java.util.Set; import sun.awt.util.ThreadGroupUtils; -import sun.misc.ManagedLocalsThread; import sun.util.logging.PlatformLogger; /** @@ -337,8 +336,8 @@ private void activateBlockerThread() { AccessController.doPrivileged((PrivilegedAction) () -> { String name = "AWT-Shutdown"; - Thread thread = new ManagedLocalsThread( - ThreadGroupUtils.getRootThreadGroup(), this, name); + Thread thread = new Thread( + ThreadGroupUtils.getRootThreadGroup(), this, name, 0, false); thread.setContextClassLoader(null); thread.setDaemon(false); blockerThread = thread;