我正在研究一个抛出错误的Angular项目:core.js:1350 ERROR错误:未捕获(承诺):EmptyError:序列中没有元素,但我似乎无法将其跟踪到我的任何应用程序源代码.堆栈跟踪都指向rxjs类.
任何人都可以告诉我如何调试此错误,以便我可以在代码中找到真正的错误?
core.js:1350 ERROR Error: Uncaught (in promise): EmptyError: no elements in sequence
EmptyError: no elements in sequence
at new EmptyError (EmptyError.js:28)
at FirstSubscriber._complete (first.js:154)
at FirstSubscriber.Subscriber.complete (Subscriber.js:122)
at MergeMapSubscriber._complete (mergeMap.js:150)
at MergeMapSubscriber.Subscriber.complete (Subscriber.js:122)
at MapSubscriber.Subscriber._complete (Subscriber.js:140)
at MapSubscriber.Subscriber.complete (Subscriber.js:122)
at ArrayObservable._subscribe (ArrayObservable.js:124)
at ArrayObservable.Observable._trySubscribe (Observable.js:172)
at ArrayObservable.Observable.subscribe (Observable.js:160)
at new EmptyError (EmptyError.js:28)
at FirstSubscriber._complete (first.js:154)
at FirstSubscriber.Subscriber.complete (Subscriber.js:122)
at MergeMapSubscriber._complete (mergeMap.js:150)
at MergeMapSubscriber.Subscriber.complete (Subscriber.js:122)
at MapSubscriber.Subscriber._complete (Subscriber.js:140)
at MapSubscriber.Subscriber.complete (Subscriber.js:122)
at ArrayObservable._subscribe (ArrayObservable.js:124)
at ArrayObservable.Observable._trySubscribe (Observable.js:172)
at ArrayObservable.Observable.subscribe (Observable.js:160)
at resolvePromise (zone.js:824)
at resolvePromise (zone.js:795)
at eval (zone.js:873)
at ZoneDelegate.invokeTask (zone.js:425)
at Object.onInvokeTask (core.js:4621)
at ZoneDelegate.invokeTask (zone.js:424)
at Zone.runTask (zone.js:192)
at drainMicroTaskQueue (zone.js:602)
at <anonymous>
解决方法:
此错误是由Angular的路由器的最新版本引起的.
您可以撤消您的版本或将pathMatch:’full’附加到您的所有路线.
原文地址:https://codeday.me/bug/20190607/1195591.html
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