status 400 Postman

Oi João,

Posta aqui o código do seu Controller

package br.com.alura.forum.controller;

import java.net.URI; import java.util.List;

import javax.validation.Valid;

import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.PutMapping; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.util.UriComponentsBuilder;

import br.com.alura.forum.controller.dto.DetalhesDoTopicoDto; import br.com.alura.forum.controller.dto.TopicoDto; import br.com.alura.forum.controller.form.AtualizacaoTopicoForm; import br.com.alura.forum.controller.form.TopicoForm; import br.com.alura.forum.modelo.Topico; import br.com.alura.forum.repository.CursoRepository; import br.com.alura.forum.repository.TopicoRepository;

@RestController @RequestMapping("/topicos") public class TopicosController {

@Autowired
private TopicoRepository topicoRepository;

@Autowired
private CursoRepository cursoRepository;

@GetMapping
public List<TopicoDto>  lista(String nomeCurso) {
    if (nomeCurso == null) {
        List<Topico> topicos = topicoRepository.findAll();
        return TopicoDto.converter(topicos); 
    } else {
        List<Topico> topicos = topicoRepository.findByCursoNome(nomeCurso);
        return TopicoDto.converter(topicos);
    }
}

@PostMapping
public ResponseEntity<TopicoDto> cadastrar(@RequestBody @Valid TopicoForm form, UriComponentsBuilder uriBuilder) {
    Topico topico = form.converter(cursoRepository);
    topicoRepository.save(topico);

    URI uri = uriBuilder.path("/topicos/{id}").buildAndExpand(topico.getId()).toUri();
    return ResponseEntity.created(uri).body(new TopicoDto(topico));  
}

@GetMapping("/{id}")
public DetalhesDoTopicoDto detalhar(@PathVariable Long id) {
    Topico topico = topicoRepository.getById(id);
    return new DetalhesDoTopicoDto(topico);

}  

@PutMapping("/{id}")
public ResponseEntity<TopicoDto> atualizar(@PathVariable Long id, @RequestBody @Valid AtualizacaoTopicoForm form) {
    Topico topico = form.atualizar(id, topicoRepository);

    return ResponseEntity.ok(new TopicoDto(topico));
}

}

Ta certinho o código, manda um print da requisição no postman

{ "timestamp": "2022-04-12T14:56:34.647+00:00", "status": 400, "error": "Bad Request", "trace": "org.springframework.http.converter.HttpMessageNotReadableException: Required request body is missing: public org.springframework.http.ResponseEntity<br.com.alura.forum.controller.dto.TopicoDto> br.com.alura.forum.controller.TopicosController.atualizar(java.lang.Long,br.com.alura.forum.controller.form.AtualizacaoTopicoForm)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.readWithMessageConverters(RequestResponseBodyMethodProcessor.java:163)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.resolveArgument(RequestResponseBodyMethodProcessor.java:133)\r\n\tat org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:122)\r\n\tat org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:179)\r\n\tat org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:146)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)\r\n\tat org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1067)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963)\r\n\tat org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)\r\n\tat org.springframework.web.servlet.FrameworkServlet.doPut(FrameworkServlet.java:920)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:684)\r\n\tat org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:764)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197)\r\n\tat org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)\r\n\tat org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)\r\n\tat org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)\r\n\tat org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)\r\n\tat org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)\r\n\tat org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360)\r\n\tat

Continuação org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)\r\n\tat org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)\r\n\tat org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:889)\r\n\tat org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743)\r\n\tat org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)\r\n\tat org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)\r\n\tat org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)\r\n\tat org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)\r\n\tat java.base/java.lang.Thread.run(Unknown Source)\r\n", "message": "Required request body is missing: public org.springframework.http.ResponseEntity<br.com.alura.forum.controller.dto.TopicoDto> br.com.alura.forum.controller.TopicosController.atualizar(java.lang.Long,br.com.alura.forum.controller.form.AtualizacaoTopicoForm)", "path": "/topicos/3" }

Veja se consegue mandar um print do Postman, pois acho que o problema é no json que você está enviando.

Está aqui o print

Acho que o print não apareceu

Apareceu não.

Tem o botão aqui para realizar upload de imagem:

Qual e o tipo de arquivo ? Porque to fazendo o upload da imagem e não vai

png ou jpg geralmente vai normal.

Não deu certo

Tenta fazer o upload da imagem aqui: https://imgur.com/upload

e manda o link que vai ser gerado

https://imgur.com/a/QE1t7Qf

Em cima do campo que você digitou o código JSON tem umas opções e está marcada a opção raw. Ao lado da última opção está marcada TEXT, mas você precisa alterar para JSON.

https://imgur.com/a/GWgEcT1 Agora retornou status 405

Você colocou a url errada. No print está /topicos mas a requisição PUT deve ser para a url /topicos/id exemplo: /topicos/3