小编Moh*_*hid的帖子

当我在 Angular 服务中发出 http 请求时，收到此错误消息。仅当我注销时才会发生这种情况，但当我登录时错误就会消失：

这是我的身份验证服务：

import { Injectable } from '@angular/core';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Observable, throwError } from 'rxjs';
import { catchError, retry, map } from 'rxjs/operators';
import { JwtHelperService } from '@auth0/angular-jwt';

export interface ServerResponse {
  success: boolean;
  msg: string;
  user: any;
  token: any
}

@Injectable({
  providedIn: 'root'
})

export class AuthService {

    authToken: any;
  user: any;
    public baseUri: string = 'http://localhost:3000/users';
    public headers = new HttpHeaders().set('Content-Type', 'application/json')

  constructor(private http: HttpClient) { …