Safety catch.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3356 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/wildfire/server/OutgoingSessionPromise.java

@@ -182,6 +182,9 @@ public class OutgoingSessionPromise implements RoutableChannelHandler {
         }
         catch (UnauthorizedException e) {
         }
+        catch (Exception e) {
+            Log.warn("Error returning error to sender. Original packet: " + packet, e);
+        }
     }
 
     /**