OPCUAServer with hostname error when subscribed to a discovery server

[nicoloereni]

Hello,
with a Server like:

let server = new OPCUAServer({
            port: 64101,
            hostname: hostname + '/nozomi',
            registerServerMethod: RegisterServerMethod.LDS,
            discoveryServerEndpointUrl: discoveryServerEndpointUrl})
        await server.initialize();

we have a server on:
on opc.tcp://Nicolos-MacBook-Pro-2.local/nozomi:64101

the discovery server when the server start throws:

Error: Required port not given
    at new Service (/Users/nicolo/Documents/opcua_spike/node_modules/bonjour/lib/service.js:18:25)
    at Registry.publish (/Users/nicolo/Documents/opcua_spike/node_modules/bonjour/lib/registry.js:18:17)
    at Bonjour.publish (/Users/nicolo/Documents/opcua_spike/node_modules/bonjour/index.js:16:25)

removing the 'hostname' option everything works fine.

We expect to have opc.tcp://Nicolos-MacBook-Pro-2.local:64101/nozomi instead of
on opc.tcp://Nicolos-MacBook-Pro-2.local/nozomi:64101

Is this a bug or am I doing something wrong?

with a configuration like:

let server = new OPCUAServer({
            hostname: hostname + ':64101/nozomi',
            registerServerMethod: RegisterServerMethod.LDS,
            discoveryServerEndpointUrl: discoveryServerEndpointUrl})
        await server.initialize();

the subscription to the discovery server works, but the endpoint is:
on opc.tcp://Nicolos-MacBook-Pro-2.local:64101/nozomi:26543

Many thanks

[stale]

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[erossignon]

hostname should only be hostname. / is a invalid character in hostname.

I guess you want to use ressourcePath instead

import { hostname as getHostname } from "os";

const hostname = getHostname();

const server = new OPCUAServer({
      port: 64101,
      hostname,
      resourcePath: '/nozomi',
      registerServerMethod: RegisterServerMethod.LDS,
      discoveryServerEndpointUrl
});
await server.start();
console.log(server.getEndpointUrl());
await server.shutdown();

will produce the endpointUrl opc.tcp://Nicolos-MacBook-Pro-2.local:64101/nozomi