飞镖 – 可反射0.3.4 – 新版本抛出异常

2019年7月22日 212次阅读

我刚刚更新了我的dart应用程序并在之后进行了pub缓存修复.

应用程序不运行并且调试抛出以下异常

Uncaught Unhandled exception:
Unsupported operation: Cannot provide `reflectedType` of instance of generic type 'List'.
#0      InstantiatedGenericClassMirrorImpl.reflectedType (package:reflectable/src/reflectable_transformer_based.dart:713:5)
#1      _getPropertyInfoForType (package:polymer/src/common/polymer_descriptor.dart:210:46)
#2      _buildPropertiesObject.<anonymous closure> (package:polymer/src/common/polymer_descriptor.dart:58:24)
#3      _HashVMBase&MapMixin&&_LinkedHashMapMixin.forEach (dart:collection-patch/compact_hash.dart:340)
#4      _buildPropertiesObject (package:polymer/src/common/polymer_descriptor.dart:56:16)
#5      createPolymerDescriptor (package:polymer/src/common/polymer_descriptor.dart:26:19)
#6      PolymerRegister.initialize (package:polymer/src/common/polymer_register.dart:19:36)
#7      loadInitializers.<anonymous closure>.<anonymous closure> (package:initialize/src/static_loader.dart:46:32)
#8      _runInitQueue (package:initialize/initialize.dart:35:24)
#9      _runInitQueue.<anonymous closure> (package:initialize/initialize.dart:38:26)
#10     _RootZone.runUnary (dart:async/zone.dart:1149)
#11     _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:502)
#12     _Future._propagateToListeners (dart:async/future_impl.dart:585)
#13     _Future._completeWithValue (dart:async/future_impl.dart:376)
#14     _Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:430)
#15     _microtaskLoop (dart:async/schedule_microtask.dart:43)
#16     _microtaskLoopEntry (dart:async/schedule_microtask.dart:52)
#17     _ScheduleImmediateHelper._handleMutation (dart:html:49254)
#18     MutationObserver._create.<anonymous closure> (dart:html:27526)
  (anonymous function)

该应用程序之前运行良好.
可能的错误？

谢谢
泰迪熊

最佳答案 相当长的故事,请查看
https://github.com/dart-lang/polymer-dart/issues/651以获取一些细节,并在此问题解决时解决.

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