Spring MVC Rest Client getting HttpClientErrorException: 404 null

Question

I'm setting up a Rest Server along with client and i'm facing a problem for few hours already. When i call getPoints() method everything works fine, but when i call getPoint(Long id), deletePoint(Long id) and postPoint() i'm getting: Exception in thread "main" org.springframework.web.client.HttpClientErrorException: 404 null.

Client Side:

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);
}

Server Side:

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);
}

}

What can cause the problem ? When i put on browser address: http://localhost:5000/points/1 i'm normally getting point with id 1.

I don't want to put this in an answer, but are you missing the trailing / — Stefan
– Stefan, Commented Jan 6, 2019 at 22:44
You added the / on the server side instead of the client? See my answer please — Stefan
– Stefan, Commented Jan 6, 2019 at 22:48

Stefan · Accepted Answer · 2019-01-06 22:46:41Z

1

The string you are concenating in your getPost() method will be: http://localhost:5000/points1 instead of http://localhost:5000/points/1.

Just add the /and you should be good to go

answered Jan 6, 2019 at 22:46

Stefan

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1 Comment

Dariokoko Over a year ago

Thanks that helped with GetMapping and DeleteMapping, PostMapping still not working but it might be problem with my code.

TigerT · Accepted Answer · 2019-01-07 03:57:46Z

0

I'm not sure but can you try following:

public void postPoint()
{
  RestTemplate restTemplate = new RestTemplate();
  restTemplate.postForObject("http://localhost:5000/points/", this, this.getClass());
}

Because i saw the post mapping in the server side: @PostMapping("/points/")

answered Jan 7, 2019 at 3:57

TigerT

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