Only throws NotAuthorized exceptions to avoid stack traces on the UI

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@10051 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/openfire/clearspace/ClearspaceAuthProvider.java

@@ -70,7 +70,7 @@ public class ClearspaceAuthProvider implements AuthProvider {
             throw ue;
         } catch (Exception e) {
             // It is not supported exception, wrap it into an UnsupportedOperationException
-            throw new UnsupportedOperationException("Unexpected error", e);
+            throw new UnauthorizedException("Unexpected error", e);
         }
     }