Failed to load resource: the server responded with a status of 403 ()
login:1 Access to XMLHttpRequest at 'http://localhost:8080/login' from origin 'http://localhost:4200' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
core.js:7187 ERROR Error: Uncaught (in promise): HttpErrorResponse: {"headers":{"normalizedNames":{},"lazyUpdate":null,"headers":{}},"status":0,"statusText":"Unknown Error","url":"http://localhost:8080/login","ok":false,"name":"HttpErrorResponse","message":"Http failure response for http://localhost:8080/login: 0 Unknown Error","error":{"isTrusted":true}}
at resolvePromise (zone-evergreen.js:797)
at zone-evergreen.js:707
at SafeSubscriber._error (Observable.js:91)
at SafeSubscriber.__tryOrUnsub (Subscriber.js:183)
at SafeSubscriber.error (Subscriber.js:135)
at Subscriber._error (Subscriber.js:75)
at Subscriber.error (Subscriber.js:55)
at MapSubscriber._error (Subscriber.js:75)
at MapSubscriber.error (Subscriber.js:55)
at FilterSubscriber._error (Subscriber.js:75)
defaultErrorLogger @ core.js:7187
POST-Dienst im JAVA Spring Boot (URL des Microservices: http:localhost:8080/login):
FEHLER: [code]Failed to load resource: the server responded with a status of 403 () login:1 Access to XMLHttpRequest at 'http://localhost:8080/login' from origin 'http://localhost:4200' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. core.js:7187 ERROR Error: Uncaught (in promise): HttpErrorResponse: {"headers":{"normalizedNames":{},"lazyUpdate":null,"headers":{}},"status":0,"statusText":"Unknown Error","url":"http://localhost:8080/login","ok":false,"name":"HttpErrorResponse","message":"Http failure response for http://localhost:8080/login: 0 Unknown Error","error":{"isTrusted":true}} at resolvePromise (zone-evergreen.js:797) at zone-evergreen.js:707 at SafeSubscriber._error (Observable.js:91) at SafeSubscriber.__tryOrUnsub (Subscriber.js:183) at SafeSubscriber.error (Subscriber.js:135) at Subscriber._error (Subscriber.js:75) at Subscriber.error (Subscriber.js:55) at MapSubscriber._error (Subscriber.js:75) at MapSubscriber.error (Subscriber.js:55) at FilterSubscriber._error (Subscriber.js:75) defaultErrorLogger @ core.js:7187 [/code] POST-Dienst im JAVA Spring Boot (URL des Microservices: http:localhost:8080/login): [code]@CrossOrigin(origins = "*") @RestController public class dmoController {
@SuppressWarnings("rawtypes") @PostMapping("/login") public ResponseEntity login(@RequestBody String data) { System.out.print("entra"); System.out.print(data); HttpHeaders headers = new HttpHeaders(); headers.add("Access-Control-Allow-Origin", "*"); headers.add("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT"); headers.add("Access-Control-Allow-Headers", "X-Requested-With,content-type"); headers.add("Access-Control-Allow-Credentials", "true"); return new ResponseEntity(headers, HttpStatus.CREATED); }
} [/code] Aufruf zum Posten von Angular (URL angle: http:localhost:4200/login): [code] public async login(email: string, password: string) { const data = { username: 'pepa', password: 'manoli' };
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