--- a/javauis/eswt_qt/org.eclipse.swt/Eclipse_SWT_PI/qt/org/eclipse/swt/internal/qt/CommandArranger.java	Tue Jul 06 14:10:26 2010 +0300
+++ b/javauis/eswt_qt/org.eclipse.swt/Eclipse_SWT_PI/qt/org/eclipse/swt/internal/qt/CommandArranger.java	Wed Aug 18 09:43:15 2010 +0300
@@ -222,6 +222,10 @@
  * @see Control#qt_swt_event_focusWasGained() //TODO
  */
 public void shellActivityChanged() {
+    if (display == null) {
+        return;
+    }
+
     Shell activeShell = display.getActiveShell();
     
     if (activeShell == lastKnownActiveShell) {