我正在尝试运行GitHub上提供的角度飞镖教程，但我在chapter01代码中运行此问题：
'dart:mirrors-patch/mirrors_impl.dart': Failed assertion: line 1267: '_source != null' is not true.
STACKTRACE:
#0 _LocalMethodMirror.source (dart:mirrors-patch/mirrors_impl.dart:1267)
#1 _source (package:angular/core/scope.dart:1032:34)
#2 _source (package:angular/core/scope.dart:1033:9)
#3 Scope.$watch.<anonymous closure> (package:angular/core/scope.dart:261:27)
#4 Scope.$watch (package:angular/core/scope.dart:263:9)
#5 BlockFactory._instantiateDirectives.<anonymous closure> (package:angular/core_dom/block_factory.dart:207:39)
#6 BlockFactory._instantiateDirectives.<anonymous closure> (package:angular/core_dom/block_factory.dart:216:9)
#7 BlockFactory._instantiateDirectives.<anonymous closure> (package:angular/core_dom/block_factory.dart:216:9)
#8 List.forEach (dart:core-patch/growable_array.dart:240)
#9 BlockFactory._instantiateDirectives (package:angular/core_dom/block_factory.dart:187:26)
#10 BlockFactory._link (package:angular/core_dom/block_factory.dart:78:51)
#11 BlockFactory._link (package:angular/core_dom/block_factory.dart:89:9)
#12 BlockFactory._link (package:angular/core_dom/block_factory.dart:89:9)
#13 BlockFactory._link (package:angular/core_dom/block_factory.dart:82:16)
#14 BlockFactory._link (package:angular/core_dom/block_factory.dart:89:9)
#15 BlockFactory._link (package:angular/core_dom/block_factory.dart:89:9)
#16 BlockFactory._link (package:angular/core_dom/block_factory.dart:82:16)
#17 BlockFactory._link (package:angular/core_dom/block_factory.dart:89:9)
#18 BlockFactory._link (package:angular/core_dom/block_factory.dart:89:9)
#19 BlockFactory.call (package:angular/core_dom/block_factory.dart:47:12)
#20 BlockFactory.call (package:angular/core_dom/block_factory.dart:49:7)
#21 BlockFactory.call (package:angular/core_dom/block_factory.dart:49:7)
#22 ngBootstrap.<anonymous closure> (package:angular/bootstrap.dart:93:9)
#23 _rootRun (dart:async/zone.dart:688)
#24 _rootRun (dart:async/zone.dart:689)
#25 _rootRun (dart:async/zone.dart:689)
#26 _ZoneDelegate.run (dart:async/zone.dart:417)
#27 _onRun.<anonymous closure> (package:angular/core/zone.dart:61:56)
#28 NgZone._onRunBase (package:angular/core/zone.dart:49:16)
#29 _onRun (package:angular/core/zone.dart:61:15)
#30 _ZoneDelegate.run (dart:async/zone.dart:417)
#31 _CustomizedZone.run (dart:async/zone.dart:627)
#32 NgZone.run (package:angular/core/zone.dart:143:27)
#33 ngBootstrap (package:angular/bootstrap.dart:89:18)
#34 main (http://127.0.0.1:3030/angular.dart.tutorial-master/Chapter_01/web/main.dart:7:22)
'dart:mirrors-patch/mirrors_impl.dart': Failed assertion: line 1267: '_source != null' is not true.
STACKTRACE:
#0 _LocalMethodMirror.source (dart:mirrors-patch/mirrors_impl.dart:1267)
#1 _source (package:angular/core/scope.dart:1032:34)
#2 _source (package:angular/core/scope.dart:1033:9)
#3 Scope._digestHandleQueue (package:angular/core/scope.dart:540:62)
#4 Scope._digestWhileDirtyLoop (package:angular/core/scope.dart:485:23)
#5 Scope.$digest (package:angular/core/scope.dart:475:28)
#6 _autoDigestOnTurnDone (package:angular/core/scope.dart:153:14)
#7 _rootRun (dart:async/zone.dart:688)
#8 _ZoneDelegate.run (dart:async/zone.dart:417)
#9 NgZone._finishTurn (package:angular/core/zone.dart:91:21)
#10 NgZone._onRunBase (package:angular/core/zone.dart:56:43)
#11 _onRun (package:angular/core/zone.dart:61:15)
#12 _ZoneDelegate.run (dart:async/zone.dart:417)
#13 _CustomizedZone.run (dart:async/zone.dart:627)
#14 NgZone.run (package:angular/core/zone.dart:143:27)
#15 ngBootstrap (package:angular/bootstrap.dart:89:18)
#16 main (http://127.0.0.1:3030/angular.dart.tutorial-master/Chapter_01/web/main.dart:7:22)
Exception: 'dart:mirrors-patch/mirrors_impl.dart': Failed assertion: line 1267: '_source != null' is not true.
_source@0x2cdf48df (package:angular/core/scope.dart:1032:34)
_source@0x2cdf48df (package:angular/core/scope.dart:1033:9)
Scope.<anonymous closure> (package:angular/core/scope.dart:261:27)
Scope.$watch (package:angular/core/scope.dart:263:9)
BlockFactory.<anonymous closure> (package:angular/core_dom/block_factory.dart:207:39)
BlockFactory.<anonymous closure> (package:angular/core_dom/block_factory.dart:216:9)
BlockFactory.<anonymous closure> (package:angular/core_dom/block_factory.dart:216:9)
BlockFactory._instantiateDirectives@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:187:26)
BlockFactory._link@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:78:51)
BlockFactory._link@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:89:9)
BlockFactory._link@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:89:9)
BlockFactory._link@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:82:16)
BlockFactory._link@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:89:9)
BlockFactory._link@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:89:9)
BlockFactory._link@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:82:16)
BlockFactory._link@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:89:9)
BlockFactory._link@0x3e6e71c5 (package:angular/core_dom/block_factory.dart:89:9)
BlockFactory.call (package:angular/core_dom/block_factory.dart:47:12)
BlockFactory.call (package:angular/core_dom/block_factory.dart:49:7)
BlockFactory.call (package:angular/core_dom/block_factory.dart:49:7)
<anonymous closure> (package:angular/bootstrap.dart:93:9)
NgZone.<anonymous closure> (package:angular/core/zone.dart:61:56)
NgZone._onRunBase@0x2cdf48df (package:angular/core/zone.dart:49:16)
NgZone._onRunBase@0x2cdf48df (package:angular/core/zone.dart:53:7)
NgZone._onRunBase@0x2cdf48df (package:angular/core/zone.dart:50:7)
NgZone._onRun@0x2cdf48df (package:angular/core/zone.dart:61:15)
NgZone.run (package:angular/core/zone.dart:143:27)
ngBootstrap (package:angular/bootstrap.dart:89:18)
main (http://127.0.0.1:3030/angular.dart.tutorial- master/Chapter_01/web/main.dart:7:22)
我在Windows 7上运行代码，32位。
我的pubspec.Lock如下，
# Generated by pub
# See http://pub.dartlang.org/doc/glossary.html#lockfile
packages:
analyzer:
description: analyzer
source: hosted
version: "0.10.5"
angular:
description: angular
source: hosted
version: "0.9.8"
args:
description: args
source: hosted
version: "0.9.0"
browser:
description: browser
source: hosted
version: "0.9.1"
collection:
description: collection
source: hosted
version: "0.9.1"
di:
description: di
source: hosted
version: "0.0.32"
html5lib:
description: html5lib
source: hosted
version: "0.9.1"
intl:
description: intl
source: hosted
version: "0.9.1"
logging:
description: logging
source: hosted
version: "0.9.1+1"
path:
description: path
source: hosted
version: "1.0.0"
perf_api:
description: perf_api
source: hosted
version: "0.0.8"
route_hierarchical:
description: route_hierarchical
source: hosted
version: "0.4.14"
shadow_dom:
description: shadow_dom
source: hosted
version: "0.9.1"
source_maps:
description: source_maps
source: hosted
version: "0.9.0"
stack_trace:
description: stack_trace
source: hosted
version: "0.9.1"
unittest:
description: unittest
source: hosted
version: "0.10.0"
unmodifiable_collection:
description: unmodifiable_collection
source: hosted
version: "0.9.2+1"
utf:
description: utf
source: hosted
version: "0.9.0"
我在所有示例中都收到此错误。请帮我解决问题。提前谢谢。
此致
Mohan Savant