HttpErrorResponse {headers: HttpHeaders, status: 404, statusText: "OK", url: "http://localhost:8087/classes/1", ok: false,

Question

When I update, I have the error above. Help me please

He are my codes :

1° my classe.component.ts :

onUpdateCla(data){ console.log(data); this.classeService.postRessource(this.currentClasse._links.classe.href,data) .subscribe(data=>{ this.mode='list'; this.onGetAllClasses(); }, err=>{ console.log(err); }); }

and my classe.component.html :

 <form #f="ngForm" (ngSubmit)="onUpdateCla(f.value)"> <div class="form-group"> <label class="control-label">Nom classe</label> <input type="text" name="nomClasse" ngModel class="form-control" [(ngModel)]="currentClasse.nomClasse"> </div> <div class="form-group"> NIVEAU <label >Nivaux</label> <select name="niveau" [(ngModel)]="listNiveaux.niveau" class="form-control"> <option *ngFor="let niv of listNiveaux?._embedded?.niveaus" [value]="niv.id"> {{niv.nomNiveau}} </option> </select> </div> <button class="btn btn-success" type="submit">Mettre à jour</button> </form>

the relation between 'niveau' and 'class': 'OneToMany': in a 'niveau' there are several 'classe'. — Antseva
– Antseva, Commented Feb 3, 2019 at 19:08
I donät understand what that comment means. But as said, 404 means that the url does not simply exist. — AVJT82
– AVJT82, Commented Feb 3, 2019 at 19:24
Please post full code as earlier said 404 is page not found/URL not found issue. — Akash
– Akash, Commented Feb 5, 2019 at 12:12

Hüseyn Hüseynli · Accepted Answer · 2019-12-28 09:46:48Z

Probably you wrote the URL in Service incorrect or there is a problem in the backend. Don't forget that if you are using spring, define the parts with"/" using the RequestMapping.

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