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[英]HTTP Status 406 – Not Acceptable in spring MVC Rest Service
[英]Getting HTTP Status 406 – Not Acceptable error when trying to return an object in Spring REST controller
在这里,我正在尝试更新 object 并以 JSON 格式返回更新后的 object Spring REST controller。
Controller:
@RequestMapping(value = "/user/revert", method = RequestMethod.POST)
@Produces(javax.ws.rs.core.MediaType.APPLICATION_JSON)
public ResponseEntity<UserResponse> revertUserData(@RequestParam(value = "userName") String userName) {
User user = new User();
UserResponse userResponse = new UserResponse();
try {
user = userService.findUserByName(userName);
user.setLastName(null);
userResponse.setEmail(user.getEmail());
userResponse.setLastName(user.getLastName());
} catch (Exception e) {
return new ResponseEntity<UserResponse>(userResponse, HttpStatus.INTERNAL_SERVER_ERROR);
}
return new ResponseEntity<UserResponse>(userResponse, HttpStatus.OK);
}
用户响应 class:
@JsonInclude(JsonInclude.Include.NON_NULL)
public class UserResponse {
@JsonProperty("email")
private String email;
@JsonProperty("lastName")
private String lastName;
//getter and setter methids
}
pom文件:
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.4.1</version>
</dependency>
我得到的错误:
The target resource does not have a current representation that would be acceptable to the
user agent, according to the proactive negotiation header fields received in the request, and the server is
unwilling to supply a default representation.
您混合了 JAX-RS 和 Spring MVC 注释: @RequestMapping
来自@Produces
,@Produces 来自 JAX-RS。 如果您查看@RequestMapping
的文档,您会发现它有一个produces
参数。 所以你应该有这样的东西:
@RequestMapping(value = "/user/revert", method = RequestMethod.POST, produces = MediaType.APPLICATION_JSON)
public ResponseEntity<UserResponse> revertUserData(@RequestParam(value = "userName") String userName){
...
}
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