问当将一个项目复制到另一台计算机时，服务器错误拒绝连接

EN

java.lang.Throwable: Connection refused by server
at javafx.scene.web.WebEngine$LoadWorker.describeError(WebEngine.java:1461)
at javafx.scene.web.WebEngine$LoadWorker.dispatchLoadEvent(WebEngine.java:1400)
at javafx.scene.web.WebEngine$LoadWorker.access$1200(WebEngine.java:1278)
at javafx.scene.web.WebEngine$PageLoadListener.dispatchLoadEvent(WebEngine.java:1265)
at com.sun.webkit.WebPage.fireLoadEvent(WebPage.java:2443)
at com.sun.webkit.WebPage.fwkFireLoadEvent(WebPage.java:2287)
at com.sun.webkit.network.URLLoader.twkDidFail(Native Method)
at com.sun.webkit.network.URLLoader.notifyDidFail(URLLoader.java:883)
at com.sun.webkit.network.URLLoader.lambda$didFail$102(URLLoader.java:866)
at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)

Process finished with exit code 0

    public void oauth2GoogleLogin()
    {

    String clientId = "xxxxxxxxxxxxxxxxxxx.apps.googleusercontent.com";
    String redirectURI = "http://localhost:8080";
    String clientSecret = "xxxxxxxxxxxxxxxxxxxxxxxx";
    Login gc = GoogleConnect.getInstance();
    gc.setClientId(clientId);
    gc.setRedirectURI(redirectURI);
    gc.setClientSecret(clientSecret);
    gc.setScope("https://www.googleapis.com/auth/spreadsheets");
    gc.setCallback(new LoginCallback() { 
        @Override
        public void loginFailed(String errorMessage) {
            super.loginFailed(errorMessage);
        }
        @Override
        public void loginSuccessful() {
            super.loginSuccessful();
            System.out.println("Logged in.");
            token = gc.getAccessToken().getToken();
            //saveData();
        }
    });

    if(!gc.isUserLoggedIn()){
        gc.doLogin();
    }else{
        ....some code to do stuff...
    }
}