I have a database that stores the image in a blob column. I can upload the image to the database, but it doesn't display it. The first is the error when I want to display all the images and the second when I want to add a new image. The error appears but it is loaded into the database. errors dashboard.component.ts:92 ERROR HttpErrorResponse {headers: _HttpHeaders, status: 0, statusText: 'Unknown Error', url: 'http://localhost:8083/api/user/92/imagini', ok: false..... ERROR HttpErrorResponse {headers: _HttpHeaders, status: 0, statusText: 'Unknown Error', url: 'http://localhost:8083/api/user/92/imagine', ok: false..... This is code from java: @GetMapping("/{id}/imagini") public ResponseEntity<List<String>> getUserImages(@PathVariable Long id) { List<Imagine> imagini = imagineService.getAllImaginIByIdUser(id); if (imagini.isEmpty()) { return ResponseEntity.notFound().build(); } List<String> imageDataList = imagini.stream() .map(img -> Base64.getEncoder().encodeToString(img.getImagine())) .collect(Collectors.toList()); return ResponseEntity.ok().body(imageDataList); } @PostMapping("/{id}/imagine") public ResponseEntity<String> uploadImage(@PathVariable Long id, @RequestParam("file") MultipartFile file) throws IOException { Optional<User> userOptional = userRepository.findById(id); if (!userOptional.isPresent()) { return ResponseEntity.notFound().build(); } User user = userOptional.get(); Imagine userImage = new Imagine(); userImage.setUser(user); userImage.setImagine(file.getBytes()); // Dacă salvezi în DB imagineRepository.save(userImage); System.out.println("Uploading image for user: " + id); return ResponseEntity.ok("Imagine încărcată cu succes!"); } The class for image @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @Lob private byte[] imagine; @ManyToOne @JoinColumn(name="user_id") private User user this is code from angular: imagini: string[] = []; onFileSelected(event: any) { this.selectedFiles = Array.from(event.target.files); } uploadImage() { this.selectedFiles.forEach(file => { let id: string | null = localStorage.getItem("id"); let userId: number = id ? Number(id) : 0; this.userService.uploadImage(userId, file).subscribe(() => { this.loadUserImages(); }); }); } loadUserImages() { let id: string | null = localStorage.getItem("id"); let userId: number = id ? Number(id) : 0; this.userService.getUserImages(userId).subscribe((imageDataArray: any) => { this.imagini = imageDataArray.map((data: string) => { // Concatenezi prefixul pentru a specifica tipul de imagine și pentru a o face compatibilă cu src return `data:image/jpeg;base64,${data}`; }); }); } this is code from service: uploadImage(userId: number, file: File) { const formData = new FormData(); formData.append('file', file); // formData.append('userId',userId.toString); return this.http.post(BASIC_URL+"/api/user/"+userId+"/imagine", formData); } getUserImages(userId: number) { const token = localStorage.getItem('token'); // presupunând că token-ul este salvat în localStorage const headers = new HttpHeaders().set('Authorization', `Bearer ${token}`); return this.http.get(BASIC_URL+"/api/user/"+userId+"/imagini", { responseType: 'blob' }); } Continue reading...