Ionic serve & ionic serve --lab have not working in 3.19.0

Ionic Framework ionic-v3
1

What happened?

ionic serve --lab now opens a new browser window but doesn’t load the app.

If I use http://localhost:8100 I can see the app in the browser, but --lab has stopped working and I HAVE to enter http://localhost:8100

I’ve downgraded but now even v3.19.0 is broken too.

2

Nothing?

Still not working

3

Just tried on my machine, no problem, --lab works fine

Maybe something went wrong with your install? Or which node are you using?

Here my ionic info for comparison:

cli packages:

@ionic/cli-utils  : 1.19.1
ionic (Ionic CLI) : 3.19.1

global packages:

cordova (Cordova CLI) : 8.0.0 
Gulp CLI              : CLI version 3.9.1 Local version 3.9.1

local packages:

@ionic/app-scripts : 3.1.8
Cordova Platforms  : android 7.0.0 ios 4.5.4
Ionic Framework    : ionic-angular 3.9.2

System:

Android SDK Tools : 26.1.1
ios-deploy        : 1.9.2 
ios-sim           : 5.0.13 
Node              : v9.4.0
npm               : 5.6.0 
OS                : macOS Sierra
Xcode             : Xcode 9.2 Build version 9C40b

Environment Variables:

ANDROID_HOME : /Users/my/Library/Android/sdk

Misc:

backend : pro
4

Here is mine:

[WARN] Error with ./www/lib/ionic/version.json file: FILE_NOT_FOUND, trying 
       ./bower.json.
[WARN] Error with ./www/lib/ionic/version.json file: FILE_NOT_FOUND, trying 
       ./bower.json.

cli packages: (/usr/local/lib/node_modules)

@ionic/cli-utils  : 1.19.1
ionic (Ionic CLI) : 3.19.1

global packages:

cordova (Cordova CLI) : 8.0.0 
Gulp CLI              : CLI version 3.9.1 Local version 3.9.1

local packages:

Cordova Platforms : android 7.0.0 ios 4.5.4
Ionic Framework   : ionic1 1.3.4

System:

Node  : v8.9.3
npm   : 5.5.1 
OS    : macOS High Sierra
Xcode : Xcode 9.2 Build version 9C40b

Environment Variables:

ANDROID_HOME : not set

Misc:

backend : pro
5

Well according your error msg, you face the exact same problem as you already posted here and solved. Have you try to solve it the same way as you did?

6

did u try this?

npm i -D -E @ionic/lab
3 Likes
7

Did exactly what you said, it worked great for me.

8

thanks, it worked well for me