[英]Spring MVC Rest Client getting HttpClientErrorException: 404 null
我正在與客戶一起設置Rest Server,並且已經面臨幾個小時的問題。 當我調用getPoints()方法時,一切正常,但是當我調用getPoint(Long id),deletePoint(Long id)和postPoint()時,我得到:線程“ main”中的異常org.springframework.web.client.HttpClientErrorException :404空。
客戶端:
public List<Point> getPoints()
{
RestTemplate restTemplate = new RestTemplate();
ResponseEntity<List<Point>> pointResponse = restTemplate.exchange("http://localhost:5000/points", HttpMethod.GET, null,
new ParameterizedTypeReference<List<Point>>()
{});
List<Point> points = pointResponse.getBody();
return (points);
}
public Point getPoint(long id)
{
RestTemplate restTemplate = new RestTemplate();
Point point = restTemplate.getForObject("http://localhost:5000/points" + id, Point.class);
return point;
}
public void postPoint()
{
RestTemplate restTemplate = new RestTemplate();
restTemplate.postForObject("http://localhost:5000/points", this, this.getClass());
}
public void deletePoint(Long id)
{
RestTemplate restTemplate = new RestTemplate();
restTemplate.delete("http://localhost:5000/points" + id);
}
服務器端:
public class PointsController {
private final PointsRepository repository;
PointsController(PointsRepository repository){
this.repository=repository;
}
@GetMapping("/points/")
List<Points> all() {
return repository.findAll();
}
@PostMapping("/points/")
Points newPoints(@RequestBody Points newPoints){
return repository.save(newPoints);
}
@GetMapping(value = "/points/{id}/", produces = "application/json; charset=UTF-8")
Resource<Points> one(@PathVariable Long id) {
Points point = repository.findById(id).orElseThrow(() -> new PointsNotFoundException(id));
return new Resource<>(point,
linkTo(methodOn(PointsController.class).one(id)).withSelfRel(),
linkTo(methodOn(PointsController.class).all()).withRel("points"));
}
@DeleteMapping("/points/{id}/")
void deletePoints(@PathVariable Long id) {
repository.deleteById(id);
}
}
是什么原因引起的? 當我使用瀏覽器地址時: http:// localhost:5000 / points / 1我通常會得到ID為1的點。
您要在getPost()
方法中包含的字符串將是: http://localhost:5000/points1
而不是http://localhost:5000/points/1
。
只需添加/
就可以了
我不確定,但是您可以嘗試以下方法:
public void postPoint()
{
RestTemplate restTemplate = new RestTemplate();
restTemplate.postForObject("http://localhost:5000/points/", this, this.getClass());
}
因為我在服務器端看到了帖子映射: @PostMapping("/points/")
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