             try {
                 _controller.mayLeavePlace(_plobj);
             } catch (e :Error) {
-                log.warning("Place controller choked in mayLeavePlace [plobj=" + _plobj + "].");
-                log.logStackTrace(e);
+                log.warning("Place controller choked in mayLeavePlace", "plobj", _plobj, e);
             }
         }
     }

            // if the pending request has been outstanding more than a minute, go ahead and let
            // this new one through in an attempt to recover from dropped moveTo requests
            if (refuse) {
                log.warning("Refusing moveTo; We have a request outstanding " +
                            "[ppid=" + _pendingPlaceId + ", npid=" + placeId + "].");
                return false;

            } else {
                log.warning("Overriding stale moveTo request [ppid=" + _pendingPlaceId +
                            ", npid=" + placeId + "].");
            }
        }


    {
        // make sure the placeId is valid
        if (placeId < 0) {
            log.warning("Refusing moveTo(): invalid placeId", "placeId", placeId);
            return false;
        }

