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Thank you very much @Gordon. I delete flash and upgrade to 1v97.98 and works great!!!

I saw new versions at http://www.espruino.com/binaries/travis/­master/ for example release 1v97.100. This versions are the last development versions?. Are the same as github repository "master" branch?

Thank you.

Best regards,
Juanillo

Hi,

I'm trying to use MQTT on a ESP8266 (Flash map 1MB:512/512, manuf 0xc8 chip 0x4014) and always returns same error:

1526108440: New connection from 192.168.10.44 on port 1883.
1526108440: New client connected from 192.168.10.44 as 4e8422275dd0 (c1, k60).
1526108440: Socket error on client 4e8422275dd0, disconnecting.

It's only a simple connection test code like this:

var wifi = require("Wifi");
var mqtt = require("MQTT").create("192.168.10.43", {
  keep_alive: 60,
  clean_session: true
});

wifi.connect("MyWifi", {password: "MyPassword"},function(err){
  if (!err) {
    const info = wifi.getIP();
    console.log('connected? err=', err, 'info=', info);
    mqtt.connect();
  } else {
    console.log('error: ',err);
  }
});
wifi.stopAP();

mqtt.on("connected", function(){
  console.log("connected");
});

mqtt.on("disconnected", function(){
  console.log("disconnected");
});

The output is always the same:

>
 ____                 _
|  __|___ ___ ___ _ _|_|___ ___
|  __|_ -| . |  _| | | |   | . |
|____|___|  _|_| |___|_|_|_|___|
         |_| espruino.com
 1v97 (c) 2018 G.Williams
Espruino is Open Source. Our work is supported
only by sales of official boards and donations:
http://espruino.com/Donate
Flash map 1MB:512/512, manuf 0xc8 chip 0x4014
>connected? err= null info= {
  "ip": "192.168.10.44",
  "netmask": "255.255.255.0",
  "gw": "192.168.10.1",
  "mac": "5c:cf:7f:f1:bd:25"
 }
connected
>
=undefined
disconnected
disconnected
> 

I try a lot of configurations and I don't know how to continue:

1. Mosquitto server's: 1.4.14, 1.4.15, "test.mosquitto.org",...etc
   
2. Test on different ESP8266 boards.
   
3. Using module "MQTT" and "TinyMQTT".
   
4. Move "mqtt.connect()" line inside "wifi.connect" callback
   

5. Try using connect directly:

   var mqtt = require("MQTT").connect({
   host: "192.168.10.43",
   });
   

6. Run mosquitto server in verbose mode "mosquitto -v":

   1526109123: New connection from 192.168.10.44 on port 1883.
   1526109123: New client connected from 192.168.10.44 as 3fefc4344328 (c1, k60).
   1526109123: Sending CONNACK to 3fefc4344328 (0, 0)
   1526109123: Socket error on client 3fefc4344328, disconnecting.
   

Mosquitto server is up and runnig with anonymous access acepted. I'm using this server with other esp8266 boards running native C code and goes good, so I think that is no problem with the server.

If someone can help me with this problem, I would be enormously grateful.

Thank you