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

@@ -22,10 +22,11 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package sun.awt.X11;
 
+import java.awt.peer.TaskbarPeer;
 import java.awt.*;
 import java.awt.event.InputEvent;
 import java.awt.event.MouseEvent;
 import java.awt.event.KeyEvent;
 import java.awt.datatransfer.Clipboard;

@@ -2550,10 +2551,20 @@
     public DesktopPeer createDesktopPeer(Desktop target){
         return new XDesktopPeer();
     }
 
     @Override
+    public boolean isTaskbarSupported(){
+        return XTaskbarPeer.isTaskbarSupported();
+    }
+    
+    @Override
+    public TaskbarPeer createTaskbarPeer(Taskbar target){
+        return new XTaskbarPeer();
+    }
+
+    @Override
     public boolean areExtraMouseButtonsEnabled() throws HeadlessException {
         return areExtraMouseButtonsEnabled;
     }
 
     @Override