V4 - starter does not run on device or emulator

[kensodemann]

Bug Report

Ionic Info

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

   @ionic/cli-utils  : 2.0.0-rc.6
   ionic (Ionic CLI) : 4.0.0-rc.6

global packages:

   cordova (Cordova CLI) : 8.0.0

local packages:

   @angular-devkit/core       : 0.6.0
   @angular-devkit/schematics : 0.6.0
   @angular/cli               : 6.0.1
   @ionic/schematics-angular  : 1.0.0-rc.6
   Cordova Platforms          : ios 4.5.4
   Ionic Framework            : @ionic/angular 4.0.0-alpha.6

System:

   Android SDK Tools : 26.1.1
   ios-deploy        : 1.9.2
   ios-sim           : 6.1.2
   NodeJS            : v9.8.0
   npm               : 6.0.1
   OS                : macOS High Sierra
   Xcode             : Xcode 9.3.1 Build version 9E501

Environment Variables:

   ANDROID_HOME : /Users/kensodemann/Library/Android/sdk/

Describe the Bug

Creating an Ionic V4 starter and attempting to run on an iOS device or iOS emulator results in a blank screen with the following errors in the console if you open the app in Web Inspector:

[Error] Failed to load resource: the server responded with a status of 404 (Not Found) (cordova.js, line 0)
[Error] Failed to load resource: the server responded with a status of 404 (Not Found) (runtime.js, line 0)
[Error] Failed to load resource: the server responded with a status of 404 (Not Found) (polyfills.js, line 0)
[Error] Failed to load resource: the server responded with a status of 404 (Not Found) (styles.js, line 0)
[Error] Failed to load resource: the server responded with a status of 404 (Not Found) (vendor.js, line 0)
[Error] Failed to load resource: the server responded with a status of 404 (Not Found) (main.js, line 0)

Steps to Reproduce
Steps to reproduce the behavior:

1. ionic start test-app -> chose v4 options and a starter
2. ionic cordova platform add ios
3. build
4. open app in Xcode
5. try running in the emulator

Expected Behavior
A clear and concise description of what I expected to happen was to see the app... :)

Additional Context
List any other information that is relevant to your issue. Stack traces, related issues, suggestions on how to fix, Stack Overflow links, forum links, screenshots, OS if applicable, etc.

[kensodemann]

Since I created this, this has also been reported here: ionic-team/ionic-cli#3218

And it seems to be related to this: ionic-team/cordova-plugin-ionic-webview#101

In the interest of not having too many open issues, I will close this one.

[ionitron-bot]

Thanks for the issue! This issue is being locked to prevent comments that are not relevant to the original issue. If this is still an issue with the latest version of Ionic, please create a new issue and ensure the template is fully filled out.