5.5.3 EmptyError: no elements in sequence

[huineng]

RxJS version:
5.5.3

Code to reproduce:
since my update to 5.5.3 i'm getting errors in otherwise perfectly fine running angular 5.x application

this is the error i'm getting this morning

all was working perfectly prior to 5.5.3

difficult for me to trap what the reason could be thanks

Error: Uncaught (in promise): EmptyError: no elements in sequence
EmptyError: no elements in sequence
    at new EmptyError (EmptyError.js:27)
    at FirstSubscriber._complete (first.js:154)
    at FirstSubscriber.Subscriber.complete (Subscriber.js:121)
    at MergeMapSubscriber._complete (mergeMap.js:144)
    at MergeMapSubscriber.Subscriber.complete (Subscriber.js:121)
    at MapSubscriber.Subscriber._complete (Subscriber.js:139)
    at MapSubscriber.Subscriber.complete (Subscriber.js:121)
    at EmptyObservable._subscribe (EmptyObservable.js:82)
    at EmptyObservable.Observable._trySubscribe (Observable.js:173)
    at EmptyObservable.Observable.subscribe (Observable.js:161)
    at new EmptyError (EmptyError.js:27)
    at FirstSubscriber._complete (first.js:154)
    at FirstSubscriber.Subscriber.complete (Subscriber.js:121)
    at MergeMapSubscriber._complete (mergeMap.js:144)
    at MergeMapSubscriber.Subscriber.complete (Subscriber.js:121)
    at MapSubscriber.Subscriber._complete (Subscriber.js:139)
    at MapSubscriber.Subscriber.complete (Subscriber.js:121)
    at EmptyObservable._subscribe (EmptyObservable.js:82)
    at EmptyObservable.Observable._trySubscribe (Observable.js:173)
    at EmptyObservable.Observable.subscribe (Observable.js:161)
    at AppErrorHandler.handleError (app.exception.ts:47)
    at Object.next (core.js:5377)
    at SafeSubscriber.schedulerFn [as _next] (core.js:4223)
    at SafeSubscriber.__tryOrUnsub (Subscriber.js:246)
    at SafeSubscriber.next (Subscriber.js:193)
    at Subscriber._next (Subscriber.js:132)
    at Subscriber.next (Subscriber.js:96)
    at EventEmitter.Subject.next (Subject.js:63)
    at EventEmitter.emit (core.js:4203)
    at core.js:4652

[hugograf]

After an update of my angular project I get the same error. In my case, routing with children and outlets doesn't work.

[thisisgit]

Experiencing the same thing. Had to fix rxjs version in package.json to prevent CI from installing version 5.5.3: "rxjs": "5.5.2"

[ajmarmar]

HI,

I've the same error.

[Cito]

Me too with an Angular 5.0.5 project. After downgrading rxjs to 5.5.2 the problem went away.

[Cito]

See Angular issue #20752 for a minimal reproduction of the problem.

[rodrigodata]

@Cito that solved!

[locomotif]

FYI: In react project, v5.5.3 upgrade also breaking app. In this case import Rx from 'rxjs/Rx' is returning undefined; producing TypeError: Cannot read property 'Subject' of undefined. This was functioning fine prior to to this minor release.

[kwonoj]

I'll try to look into this shortly.

[aitboudad]

• I noticed a small regression in bundle size ~10kb when upgrade from 5.5.2 -> 5.5.3

[zimme]

This is breaking prettier/prettier-eslint-cli as we're doing import Rx from "rxjs/Rx"; which is now returning undefined so we can't access Rx.Observable.....

Update:
I've updated the way we import rxjs in the package so this isn't a problem for us any longer.

Edit: I've must have put this in the wrong issue 😕