“不支持内容类型 'application/json;charset=UTF-8'"在 Spring Rest 应用程序中

quot;Content type #39;application/json;charset=UTF-8#39; not supportedquot; in Spring Rest application(“不支持内容类型 application/json;charset=UTF-8在 Spring Rest 应用程序中)

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问题描述

当我在 localhost:8080/api/users 上执行 POST 请求以创建新用户时,我收到以下错误:

When I do a POST request on localhost:8080/api/users to create a new user I get the following error :

{
    "timestamp": "2018-05-28T09:44:55.704+0000",
    "status": 415,
    "error": "Unsupported Media Type",
    "message": "Content type 'application/json;charset=UTF-8' not supported",
    "path": "/api/users/"
}

这是请求的正文,选择了 JSON (application/json).即使我删除角色并将其保持为空,它也会给出相同的错误.

The is the request's body, JSON (application/json) is selected. It gives the same error even if I remove the Roles and keep it null.

头部的内容类型也是application/json.

The header's content type is application/json as well.

这是我的控制器:

@PostMapping("/api/users" )
public User createUser(@Valid @RequestBody User user) {
    securityService.autologin(user.getUsername(), user.getPassword());
    return userService.createUser(user);
}

UserService 中的 createUser 函数:

createUser function in UserService :

public User createUser(@Valid @RequestBody User user) {
    user.setPassword(bCryptPasswordEncoder.encode(user.getPassword()));
    user.setRoles(new HashSet<>(roleRepository.findAll()));
    return userRepository.save(user);
}

<小时>

编辑

这是我的用户类:


edit

This is my User class :

@Entity
@Table(name = "user")
@EntityListeners(AuditingEntityListener.class)
@JsonIgnoreProperties(value = {"createdAt", "updatedAt"}, 
                      allowGetters = true)
public class User implements Serializable{

    private static final long serialVersionUID = 1L;


    public User() {
        super();
        // TODO Auto-generated constructor stub
    }

    @Id
    @Column(name = "user_id")
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private long id;

    @Column(name = "user_name")
    private String name;

    @Column(name = "user_email")
    private String email;

    @Column(name = "user_password")
    @NotBlank
    private String password;

    @Column(name = "user_status")
    private String status;

    @Column(name = "user_tel")
    private String tel;

    @Column(name = "user_confirmation")
    private String confirmation;

    @Column(name = "user_birth_date")
    @Temporal(TemporalType.DATE)
    private Date birth_date;

    @Column(nullable = false, updatable = false)
    @Temporal(TemporalType.TIMESTAMP)
    @CreatedDate
    private Date createdAt;

    @Column(nullable = false)
    @Temporal(TemporalType.TIMESTAMP)
    @LastModifiedDate
    private Date updatedAt;

    @JsonManagedReference
    @ManyToMany
    @JoinTable(name = "user_role", joinColumns = @JoinColumn(name = "user_id"), inverseJoinColumns = @JoinColumn(name = "role_id"))
    private Set<Role> roles;

    @Column(name = "username")
    @NotBlank
    private String username;

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) {
        this.status = status;
    }

    public String getTel() {
        return tel;
    }

    public void setTel(String tel) {
        this.tel = tel;
    }

    public String getConfirmation() {
        return confirmation;
    }

    public void setConfirmation(String confirmation) {
        this.confirmation = confirmation;
    }

    public Date getBirth_date() {
        return birth_date;
    }

    public void setBirth_date(Date birth_date) {
        this.birth_date = birth_date;
    }

    public Date getCreatedAt() {
        return createdAt;
    }

    public Date getUpdatedAt() {
        return updatedAt;
    }

    public void setUpdatedAt(Date updatedAt) {
        this.updatedAt = updatedAt;
    }

    public Set<Role> getRoles() {
        return roles;
    }

    public void setRoles(Set<Role> roles) {
        this.roles = roles;
    }
}

推荐答案

我能够通过删除 @JsonManagedReference 来解决它.

I was able to solve it by removing @JsonManagedReference.

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