{"id":10235,"date":"2019-05-19T13:30:42","date_gmt":"2019-05-19T11:30:42","guid":{"rendered":"https:\/\/pi3g.com\/?p=10235"},"modified":"2019-05-19T13:30:42","modified_gmt":"2019-05-19T11:30:42","slug":"envoy-not-connecting-to-vernemq-for-mqtt-over-websockets-error-code-503","status":"publish","type":"post","link":"https:\/\/pi3g.com\/de\/envoy-not-connecting-to-vernemq-for-mqtt-over-websockets-error-code-503\/","title":{"rendered":"envoy verbindet sich nicht mit VerneMQ f\u00fcr MQTT \u00fcber Websockets, Fehlercode 503"},"content":{"rendered":"

Some quick background information for anyone running into the same issues, and how to debug them.<\/p>\n

Error code 503<\/h1>\n

This is the error code I am getting:<\/p>\n

\"image\"<\/a><\/p>\n

Error during WebSocket handshake: Unexpected response code: 503.<\/p>\n

Set envoy logging to debug<\/h1>\n

Here\u2019s my docker-compose.yaml for envoy:<\/p>\n

\n

version: ‘3.7’<\/p>\n

services:
   envoy:
     build:
       context: .\/
       dockerfile: Dockerfile
     container_name: penvoyage-morpheus-envoy
     ports:
       – “80:1080”
       – “443:1443”
     volumes:
       – type: volume
         source: penvoyage_volume
         target: \/etc\/envoy
     networks:
       – envoy_net
     user: “2000:2000”
     #user: “root:root”
     restart: unless-stopped
     environment:
       loglevel: debug<\/strong><\/p>\n

volumes:
   penvoyage_volume:
     external:
       name: penvoyage_volume<\/p>\n

networks:
   envoy_net:
     external:
       name: my-bridge-network<\/p>\n

<\/p>\n<\/blockquote>\n

Show the VerneMQ listeners<\/h1>\n

on the VerneMQ container, show the listeners and the ip\u2019s:<\/p>\n

\n

vmq-admin listener show<\/p>\n

ip \u20134 addr show<\/p>\n<\/blockquote>\n

\"image\"<\/a><\/p>\n

Notice how mqttws is bound to 172.21.0.2<\/font><\/strong> on port 8080.<\/p>\n

There are two IPs present in the system: <\/p>\n