Angular: Unhandled exception in AngularDart compiler

[Marco87Developer]

After update Dart SDK to 2.0.0-dev.62.0 version, I can’t compile correctly my AngularDart project. In order to have a common start point, I’m working on the _angular-examples/quickstart_ GitHub project, that you can find here.

Some project infos:

• [x] Dart SDK Version: 2.0.0-dev.56.0
• [x] AngularDart Version: 5.0.0-alpha+14
• [x] Windows 10 Pro
• [x] Chrome 67.0.3396.87

First time I compile with webdev serve, the compilation doesn’t have any problem, but, when I open the browser at http://localhost:8080 page it remains on “Loading...”. On the 2nd or 3rd time I compile, I receive these messages:

[INFO] Starting Build
[INFO] Updating asset graph completed, took 1ms
[SEVERE] angular on lib/app_component.dart:
Unhandled exception in the AngularDart compiler!

Please report a bug: https://github.com/dart-lang/angular/issues/new
NoSuchMethodError: Class 'List<ConstructorElement>' has no instance method 'retype'.
Receiver: Instance(length:1) of '_GrowableList'
Tried calling: retype()
[INFO] Running build completed, took 8.7s
[INFO] Caching finalized dependency graph completed, took 98ms
[INFO] Succeeded after 8.8s with 3 outputs (5 actions)

The app keeps running, but always with “Loading...”.

1. Do you have the same problem?
2. How can I resolve this problem?

Thanks!

Marco.

[alorenzen]

This was fixed in https://github.com/dart-lang/angular/commit/7a6ad112c01fe9993408b5f2a7b7b474f21b674d, which should be released next week.

Unfortunately, the SDK removed the retype method before we had a chance to clean up our codebase.

Until we publish the next release, you can always downgrade the SDK.

[Marco87Developer]

Thanks!

[Marco87Developer]

I’m waiting for the resolution of the problem. Hoping it will happen soon, while it is still not solved, how can I do the downgrade of Dart SDK?

[chalin]

For Windows, see: https://chocolatey.org/packages/dart-sdk/2.0.0.61-dev-0

[alorenzen]

@Marco87Developer We released 5.0.0-alpha+15 to fix this.

[Marco87Developer]

@chalin Thank you!

@alorenzen Great! Thanks! Now I can work with these:

environment:
  sdk: '>=2.0.0-dev.63.0 <2.0.0'

dependencies:
  angular: ^5.0.0-alpha+15

dev_dependencies:
  angular_test: ^2.0.0-alpha+13
  build_runner: ^0.8.10
  build_test: ^0.10.2+4
  build_web_compilers: ^0.4.0+4
  test: ^0.12.42

[zyzbroker]

@alorenzen, is the next release out for this fix?

[leonsenft]

@zyzbroker This was fixed in 5.0.0-alpha+15.