1.1 --- a/samples/deadlock/test/org/apidesign/javamonitorflaws/MultiplyCache.java	Tue Feb 10 18:36:21 2009 +0100
     1.2 +++ b/samples/deadlock/test/org/apidesign/javamonitorflaws/MultiplyCache.java	Wed Feb 11 07:12:41 2009 +0100
     1.3 @@ -28,7 +28,7 @@
     1.4          }
     1.5          pcs.addPropertyChangeListener(listener);
     1.6      }
     1.7 -    public void removePropertyChangeListener(PropertyChangeListener listener) {
     1.8 +    public synchronized void removePropertyChangeListener(PropertyChangeListener listener) {
     1.9          if (pcs != null) {
    1.10              pcs.removePropertyChangeListener(listener);
    1.11          }