src/java.desktop/unix/classes/sun/awt/X11/XTaskbarPeer.java

@@ -27,11 +27,10 @@
 import java.awt.MenuItem;
 import java.awt.PopupMenu;
 import java.awt.Taskbar.Feature;
 import java.awt.peer.TaskbarPeer;
 import java.awt.event.ActionEvent;
-import sun.misc.ManagedLocalsThread;
 import java.security.AccessController;
 import sun.security.action.GetPropertyAction;
 
 final class XTaskbarPeer implements TaskbarPeer {
 

@@ -46,14 +45,12 @@
             if (!initExecuted) {
                 String dname = AccessController.doPrivileged(
                                 new GetPropertyAction("java.desktop.appName", ""));
                 nativeLibraryLoaded = init(dname);
                 if (nativeLibraryLoaded) {
-                    ManagedLocalsThread t
-                            = new ManagedLocalsThread(() -> {
-                                runloop();
-                            });
+                    Thread t = new Thread(null, () -> { runloop(); },
+                                          "TaskBar", 0, false);
                     t.setDaemon(true);
                     t.start();
                 }
             }
         } finally {