1.1 --- a/openide.util/src/org/openide/util/WeakListenerImpl.java	Tue May 19 12:33:00 2009 -0400
     1.2 +++ b/openide.util/src/org/openide/util/WeakListenerImpl.java	Wed May 20 10:33:40 2009 +0200
     1.3 @@ -586,7 +586,7 @@
     1.4                  if (remove.getParameterTypes().length == 1) {
     1.5                      remove.invoke(src, new Object[]{ref.getImplementator()});
     1.6                  } else {
     1.7 -                    remove.invoke(src, new Object[]{null, ref.getImplementator()});
     1.8 +                    remove.invoke(src, new Object[]{"", ref.getImplementator()});
     1.9                  }
    1.10              } catch (Exception ex) { // from invoke(), should not happen
    1.11                  // #151415 - ignore exception from AbstractPreferences if node has been removed