--- old/src/macosx/classes/sun/lwawt/LWWindowPeer.java	2013-03-20 14:41:07.000000000 +0400
+++ new/src/macosx/classes/sun/lwawt/LWWindowPeer.java	2013-03-20 14:41:06.000000000 +0400
@@ -1152,7 +1152,9 @@
         if (!becomesFocused &&
             (isGrabbing() || getOwnerFrameDialog(grabbingWindow) == this))
         {
-            focusLog.fine("ungrabbing on " + grabbingWindow);
+            if (focusLog.isLoggable(PlatformLogger.FINE)) {
+                focusLog.fine("ungrabbing on " + grabbingWindow);
+            }
             // ungrab a simple window if its owner looses activation.
             grabbingWindow.ungrab();
         }