private ClientUpdateMessageImpl constructClientMessage(InternalCacheEvent event) { ClientUpdateMessageImpl clientMessage = null; EnumListenerEvent operation = event.getEventType(); try { clientMessage = initializeMessage(operation, event); } catch (Exception e) { logger.fatal(String.format( "CacheClientNotifier: Cannot notify clients to perform operation %s on event %s", new Object[] {operation, event}), e); } return clientMessage; }