4.12.11. Sockjs ソケットイベントバスが、デフォルトでクラスターイベントを登録しない

Router router = Router.router(vertx);
SockJSHandlerOptions options = new SockJSHandlerOptions()
  .setRegisterWriteHandler(true); // enable the event bus consumer registration
SockJSHandler sockJSHandler = SockJSHandler.create(vertx, options);
router.mountSubRouter("/myapp", sockJSHandler.socketHandler(sockJSSocket -> {
  // Retrieve the writeHandlerID and store it (For example, in a local map)
  String writeHandlerID = sockJSSocket.writeHandlerID();
}));

SockJSHandlerOptions options = new SockJSHandlerOptions()
  .setRegisterWriteHandler(true) // enable the event bus consumer registration
  .setLocalWriteHandler(false) // register a clustered event bus consumer