Error: NativeScript debugger was not able to get inspector socket port.

[etabakov]

When I try to debug with VSCode for iOS on emulator, I get the following error:

[NSDebugAdapter] Ready to attach to application on /var/folders/8g/y0qh4rsj05x9fml7snq4_9g91zr2y0/T/11858-16790-appah0.bpf0t.sock
Suppressing debugging client.
[NSDebugAdapter] Connection to target application established on /var/folders/8g/y0qh4rsj05x9fml7snq4_9g91zr2y0/T/11858-16790-appah0.bpf0t.sock
[NSDebugAdapter] Connection to target application successfully enabled
Frontend client connected.
Error: NativeScript debugger was not able to get inspector socket port.
at Errors.fail (/usr/local/lib/node_modules/nativescript/lib/common/errors.js:125:28)
at IOSDebugService. (/usr/local/lib/node_modules/nativescript/lib/services/ios-debug-service.js:232:30)
at Generator.next ()
at fulfilled (/usr/local/lib/node_modules/nativescript/lib/services/ios-debug-service.js:4:58)
at
[NSDebugAdapter] The tns command finished its execution with code 120.

I'm testing with:

• VSCode 1.24.0
• {N} CLI: 4.1.0
• {N} iOS Runtime: 4.1.0

[vedranstanic82]

Same here. Then I ran it again and it worked...

[drmistral]

Same here, restarting it sometimes works, sometimes don't.
It seems better to start the app from outside the editor and then attach the editor to it once the emulator is up.

Error: NativeScript debugger was not able to get inspector socket port.
at Errors.fail (/usr/local/lib/node_modules/nativescript/lib/common/errors.js:125:28)
at IOSDebugService. (/usr/local/lib/node_modules/nativescript/lib/services/ios-debug-service.js:232:30)
at Generator.next ()
at fulfilled (/usr/local/lib/node_modules/nativescript/lib/services/ios-debug-service.js:4:58)
[NSDebugAdapter] The tns command finished its execution with code 120.

[bzaruk]

Same here

[ivanovit]

Hi,

Sorry for the delayed answer but we are working on huge refactoring and we wanted to test if this issue will be still relevant after it. Unfortunately, the issue is still reproducible (sporadic) so we will continue the investigation. I will write you back once we have more information.

[Ross-Jo]

Hope this error be fixed soon~!

[ADjenkov]

The problem can be reproduced with this application ( on iOS ) https://github.com/NickIliev/NS-Issues-2018-II/tree/master/NativeScript/issue-6011

[wanpeng2008]

Same Issue

[nickcabral]

Anyone found a workaround for this yet?

[howieluo]

I think that the attach can work well.

[howieluo]

I think the it should be a side effect of {N} CLI: 4.1.0. And, it should be fixed with NativeScript/nativescript-cli@55b5813#diff-3ea8e9be6fce663fc286a4462786a297.
Maybe we can wait for another release of {N} CLI.

[VladimirAmiorkov]

Still happens with tns --version 4.2.0

[howieluo]

I think that it should emit a new event like "readyForOpeneInspector" in the function "configureReadyEvent" which is raised until waiting for "NativeScript debugger has opened inspector socket on port ...".

[rosen-vladimirov]

Hey guys,
Can you please try the latest CLI's rc version. You can install it by executing:

npm i -g nativescript@rc

We've applied several fixes that should resolve this issue.

[nickcabral]

@rosen-vladimirov I get the same issue with CLI RC build v4.2.3-2018-08-23-12144

[rosen-vladimirov]

@nickcabral , thanks for the check. Can you try passing --timeout 60 as additional CLI args (tnsArgs) - this should give enough time for CLI to find the required port. When this option is not passed, CLI waits 10 seconds.

If this does not help, can you please try:

$ tns debug ios

And see if CLI will generate a url for you (you'll see it in the output). If it does, can you please try opening it in Chrome and see if it works.

And one last question - does the issue occur on device or Simulator?