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

*** 427,437 ****
                  infoImage = (Image)Toolkit.getDefaultToolkit().getDesktopProperty(
                      "gtk.icon.gtk-dialog-info.6.rtl");
                  gtkImagesLoaded = true;
              }
          }
! 
          private class ActionPerformer extends MouseAdapter {
              public void mouseClicked(MouseEvent e) {
                  // hide the balloon by any click
                  hide();
                  if (e.getButton() == MouseEvent.BUTTON1) {
--- 427,437 ----
                  infoImage = (Image)Toolkit.getDefaultToolkit().getDesktopProperty(
                      "gtk.icon.gtk-dialog-info.6.rtl");
                  gtkImagesLoaded = true;
              }
          }
!         @SuppressWarnings("deprecation")
          private class ActionPerformer extends MouseAdapter {
              public void mouseClicked(MouseEvent e) {
                  // hide the balloon by any click
                  hide();
                  if (e.getButton() == MouseEvent.BUTTON1) {