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Unknown provider error in ngUpgrade (Angular 1/2 hybrid application)

I'm starting on a new project forked from an existing Angular 1 codebase, with the intention of using ngUpgrade to do new development using Angular 2. I've successfully added Angular 2 to the project, but when I try to instantiate ngUpgrade in order to bootstrap the ng2 side of the application, I get the following error: 

zone.js:461 Unhandled Promise rejection: Error: [$injector:modulerr] Failed to instantiate module NG2_UPGRADE_0_ due to:
  Error: [$injector:unpr] Unknown provider: $$testabilityProvider
  http://errors.angularjs.org/1.2.15-build.2399+sha.ca4ddfa/$injector/unpr?p0=%24%24testabilityProvider
      at http://localhost:63342/myapp/bower_components/angular/angular.js:78:12
      at http://localhost:63342/myapp/bower_components/angular/angular.js:3596:19
      at Object.getService [as get] (http://localhost:63342/myapp/bower_components/angular/angular.js:3723:39)
      at Object.decorator (http://localhost:63342/myapp/bower_components/angular/angular.js:3652:41)
      at eval (http://localhost:63342/myapp/node_modules/@angular/upgrade/src/upgrade_adapter.js:309:25)
      at http://localhost:63342/myapp/bower_components/angular/angular.js:3679:37
      at Array.forEach (native)
      at forEach (http://localhost:63342/myapp/bower_components/angular/angular.js:322:11)
      at loadModules (http://localhost:63342/myapp/bower_components/angular/angular.js:3666:5)
      at createInjector (http://localhost:63342/myapp/bower_components/angular/angular.js:3606:11)
  http://errors.angularjs.org/1.2.15-build.2399+sha.ca4ddfa/$injector/moduler…FSSMS%2FClient%2Fapp%2Fbower_components%2Fangular%2Fangular.js%3A3606%3A11)
      at http://localhost:63342/myapp/bower_components/angular/angular.js:78:12
      at http://localhost:63342/myapp/bower_components/angular/angular.js:3700:15
      at Array.forEach (native)
      at forEach (http://localhost:63342/myapp/bower_components/angular/angular.js:322:11)
      at loadModules (http://localhost:63342/myapp/bower_components/angular/angular.js:3666:5)
      at createInjector (http://localhost:63342/myapp/bower_components/angular/angular.js:3606:11)
      at doBootstrap (http://localhost:63342/myapp/bower_components/angular/angular.js:1338:20)
      at eval (http://localhost:63342/myapp/node_modules/@angular/upgrade/src/upgrade_adapter.js:348:42)
      at ZoneDelegate.invoke (http://localhost:63342/myapp/node_modules/zone.js/dist/zone.js:323:29)
      at Object.onInvoke (http://localhost:63342/myapp/node_modules/@angular/core/src/zone/ng_zone_impl.js:45:41)
  Error loading http://localhost:63342/myapp/ng2/main.js

I've searched for information on Failed to instantiate module NG2_UPGRADE_0_ and on $$testabilityProvider, but haven't been able to find anything useful.

It's a fairly complex project to start with, so trying to tear this down to a workable plunkr is challenging. Before I try to do so, is this something anyone has any ideas about?

Solution

  • Though I'm not certain, it appears that this was related to Angular 1 version. This error disappeared after upgrading to 1.5.x.