Renaming the entry point to be different from the application's name throws NoSuchMethodError

[DartBot]

<img src="https://avatars.githubusercontent.com/u/5405376?v=3" align="left" width="96" height="96"hspace="10"> Issue by jolleekin
Originally opened as dart-lang/sdk#19207

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What steps will reproduce the problem?

1. Create a new sample web application with Polymer named xyz
2. Add <link rel="import" href="packages/polymer/polymer.html"> to web/xyz.html
3. Rename web/xyz.html to web/abc.html
4. Change "entry_points: web/zyz.html" to "entry_points: web/abc.html" in pubspec.yaml
5. Run web/abc.html

What is the expected output? What do you see instead?
Expected: App runs normally

Actual: NoSuchMethodError was thrown as loader.initializers is null.

Zone initPolymer() {
  if (loader.deployMode) {
    startPolymer(loader.initializers, loader.deployMode);
    return Zone.current;
  }
  return dirtyCheckZone()..run(
      () => startPolymer(loader.initializers, loader.deployMode));
}

What version of the product are you using? On what operating system?
Dart Editor 1.5.0.dev_03_04
Windows 7 64bit

Please provide any additional information below.

[DartBot]

<img src="https://avatars.githubusercontent.com/u/2049220?v=3" align="left" width="48" height="48"hspace="10"> Comment by sigmundch

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Thanks for the report!

Part of the problem is also that pub is not detecting changes in your pubspec. I opened issue dart-lang/pub#1003 for that. Meanwhile, I believe that if you manually restart the pub-serve process, the error will go away.

I'll look into making initPolymer more robust in this case and at least provide a better error message. I'm also planning to change how our transformers are run (see issue #400), at that point we will not need to look at the value of 'entry_points' when you are running pub-serve and loading the code in Dartium.

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Added Area-Pkg, Pkg-Polymer, Triaged labels.

[DartBot]

<img src="https://avatars.githubusercontent.com/u/2049220?v=3" align="left" width="48" height="48"hspace="10"> Comment by sigmundch

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I just released a fix to avoid getting a NoSuchMethodError and published it in polymer 0.10.0+1.

Since the remaining action items are tracked in the other bugs, I'm closing this one.

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Added Fixed label.