angular: HttpClient delete failing when parsing response

Question

Currently I'm migrating from http to HttpClient (@angular/common/http). Everything is working except the delete statement. I assume angular tries to parse the result as I get an error: "Unexpected end of JSON input ...". I'm not interested in the result detail, only if deletion was successfull or not.

So my code is:

Service:

public cancelReservation(reservationId: String) {

        if (!reservationId) {
            return null;
        }

        return this.httpClient.delete(environment.baseUrl + '/api/reservations/' + reservationId);
    }

Calling code:

this.reservationService.cancelReservation(this.reservation.id).subscribe (result => {
            this.handleSuccess();
        }, error => {
            this.handleError();
        });

I simplified the success and error handling. The post and get request is build the same way - but only delete is failing.

I tried an alternative, but with the same result:

this.reservationService.cancelReservation(this.reservation.id).toPromise().then(() => {
this.handleSuccess();
        }).catch(() => {
this.handleError();
        });

mimipaskova · Accepted Answer · 2017-09-27 13:59:52Z

4

I had the same problem. Try to add { observe: 'response', responseType: 'text' } to your request. this.http.post(this.createTagUrl, tagDetails, { observe: 'response', responseType: 'text' });

Or change the version of HttpModule to 4.3.5. In this version it works.

answered Sep 27, 2017 at 13:59

mimipaskova

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