Question

我创建了一个无业游民的机器。这是我的Vagrantfile：

Vagrant.configure("2") do |config|
  config.vm.box = "bento/ubuntu-18.04"
  config.vm.network "forwarded_port", guest: 5000, host: 5000
  config.vm.provision "shell", inline: <<-SHELL
    sudo apt-get update
    sudo apt-get -y install python3-pip
    sudo pip3 install flask
  SHELL
end

在虚拟机中一切正常。在虚拟机中运行以下应用程序可以正常工作。 basic.py：

from flask import Flask, jsonify
app = Flask(__name__)

@app.route('/')
def index():
    return jsonify({"message": "Hello World"})

if __name__ == '__main__':
    app.run(debug=True, port=5000)

Result of running basic.py inside the virtual machine

但是尝试从主机（通过Chrome浏览器）访问服务器会显示以下消息： unable to access the server from the host machine

trying to reload the browser

我试图禁用防病毒软件（Norton只是为了检查Norton是否正在过滤和阻止端口），但结果却相同。还有其他人遇到过同样的问题吗？有人可以帮助您找出问题所在，然后解决该问题吗？

@Mirko Ebert，尝试通过“ curl -v localhost：5000”访问服务器将给出以下响应：从虚拟机内部：

vagrant@vagrant:~$ curl -v localhost:5000
* Rebuilt URL to: localhost:5000/
*   Trying ::1...
* TCP_NODELAY set
* connect to ::1 port 5000 failed: Connection refused
*   Trying 127.0.0.1...
* TCP_NODELAY set
* Connected to localhost (127.0.0.1) port 5000 (#0)
> GET / HTTP/1.1
> Host: localhost:5000
> User-Agent: curl/7.58.0
> Accept: */*
>
* HTTP 1.0, assume close after body
< HTTP/1.0 200 OK
< Content-Type: application/json
< Content-Length: 31
< Server: Werkzeug/0.14.1 Python/3.6.7
< Date: Thu, 13 Dec 2018 21:15:45 GMT
<
{
  "message": "Hello World"
}
* Closing connection 0

在主机上：

$ curl -v localhost:5000
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
 0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*
  Trying ::1...
* TCP_NODELAY set
*   Trying 127.0.0.1...
* TCP_NODELAY set
* Connected to localhost (127.0.0.1) port 5000 (#0)
> GET / HTTP/1.1
> Host: localhost:5000
> User-Agent: curl/7.62.0
> Accept: */*
>
* Recv failure: Connection was reset
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
* Closing connection 0
curl: (56) Recv failure: Connection was reset

无法从主机访问在无业游民计算机中运行的Werkzeug服务器

0 个答案: