nativescript-cli: tns debug ios --chrome --emulator | chrome fails to connect

Which platform(s) does your issue occur on?

iOS, MacOS Sierra, 10.12.6

Please provide the following version numbers that your issue occurs with:

• CLI: 3.1.1
• Cross-platform modules: 3.1.1
• Runtime(s): “tns-ios”:3.1.0
• Plugin(s): (look for the version number in the package.json file of your project) “nativescript-bottombar”: “^3.0.4”, “nativescript-geolocation”: “^3.0.0”, “nativescript-google-maps-sdk”: “^2.3.2”, “nativescript-ngx-fonticon”: “^2.2.1”, “nativescript-oauth”: “^2.0.1”, “nativescript-telerik-ui”: “^3.0.1”,

Please tell us how to recreate the issue in as much detail as possible.

1. Run: tns debug ios --chrome --emulator
2. Attempt to attach chrome debugger with resultant chrome-devtools url

Is there code involved? Not really. I think I can reproduce this with hello world.

When I issue the ‘tns debug ios --chrome --emulator’ command, everything starts up fine. When I attach the chrome debugger using the ‘chrome-devtools’ url that the command prints to console, chrome immediately shows a message saying it is disconnected and the console where I issued the command shows: . Frontend client connected. Backend socket created. Error: connect ECONNREFUSED 127.0.0.1:18181 at Object.exports._errnoException (util.js:1050:11) at exports._exceptionWithHostPort (util.js:1073:20) at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1093:14)

Chrome shows message popup:

“Debugging connection was closed. Reason: websocket_closed Reconnect when ready by reopening DevTools”