Gradle Login and signup page giving error in getUs…

The method getUserAuthority(java.util.Set<com.djamware.springsecuritymongodb.domain.Role>) in the type CustomUserDetailsService is not applicable for the arguments (java.util.Set<javax.management.relation.Role>)
Why giving this error?
This Java file is under package com.djamware.springsecuritymongodb.services and User.java is under package com.djamware.springsecuritymongodb.domain

    package com.djamware.springsecuritymongodb.services;

    import com.djamware.springsecuritymongodb.domain.Role;
    import com.djamware.springsecuritymongodb.domain.User;
    import com.djamware.springsecuritymongodb.repositories.RoleRepository;
    import com.djamware.springsecuritymongodb.repositories.UserRepository;
    import java.util.ArrayList;
    import java.util.Arrays;
    import java.util.HashSet;
    import java.util.List;
    import java.util.Set;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.security.core.GrantedAuthority;
    import org.springframework.security.core.authority.SimpleGrantedAuthority;
    import org.springframework.security.core.userdetails.UserDetails;
    import org.springframework.security.core.userdetails.UserDetailsService;
    import org.springframework.security.core.userdetails.UsernameNotFoundException;
    import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
    import org.springframework.stereotype.Service;

    @Service
   public class CustomUserDetailsService implements UserDetailsService{
   @Autowired
   private UserRepository userRepository;
   @Autowired
   private RoleRepository roleRepository;
   @Autowired
  private BCryptPasswordEncoder bCryptPasswordEncoder;

  public User findUserByEmail(String email) {
    return userRepository.findByEmail(email);
  }

   public void saveUser(User user) {
    user.setPassword(bCryptPasswordEncoder.encode(user.getPassword()));
    user.setEnabled(true);
    Role userRole = roleRepository.findByRole("ADMIN");
   // user.setRoles(new HashSet<>(Arrays.asList(userRole)));
    user.setRoles(new HashSet<Role>(Arrays.asList(userRole)));
    userRepository.save(user);
}

@Override
public UserDetails loadUserByUsername(String email) throws UsernameNotFoundException {

    User user = userRepository.findByEmail(email);
    if(user != null) {
       List<GrantedAuthority> authorities = getUserAuthority(user.getRoles());
        return buildUserForAuthentication(user, authorities);
    } else {
        throw new UsernameNotFoundException("username not found");
    }
}


private List<GrantedAuthority> getUserAuthority(Set<Role> userRoles) {
    Set<GrantedAuthority> roles = new HashSet<GrantedAuthority>();
    for (Role role : userRoles) {
        roles.add(new SimpleGrantedAuthority(role.getRole()));
    }

    List<GrantedAuthority> grantedAuthorities = new ArrayList<GrantedAuthority>(roles);
    return grantedAuthorities;
}

private UserDetails buildUserForAuthentication(User user, List<GrantedAuthority> authorities) {
    return new org.springframework.security.core.userdetails.User(user.getEmail(), user.getPassword(), authorities);
}

}

I have created User Class attached here.

User.java

     package com.djamware.springsecuritymongodb.domain;
     import java.util.HashSet;
     import java.util.Set;
     import org.springframework.data.annotation.Id;
     import org.springframework.data.mongodb.core.index.IndexDirection;
     import org.springframework.data.mongodb.core.index.Indexed;
     import org.springframework.data.mongodb.core.mapping.DBRef;
     import org.springframework.data.mongodb.core.mapping.Document;
      import javax.management.relation.Role;

    @Document(collection = "user")
   public class User {
   @Id
   private String id;
   @Indexed(unique = true, direction = IndexDirection.DESCENDING, dropDups = true)
   private String email;
   private String password;
   private String fullname;
   private boolean enabled;
   @DBRef
   private Set<Role> roles;
  
   public String getId() {
     return id;
   }

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

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 getFullname() {
    return fullname;
}

public void setFullname(String fullname) {
    this.fullname = fullname;
}

public boolean isEnabled() {
    return enabled;
}

public void setEnabled(boolean enabled) {
    this.enabled = enabled;
}

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

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

public void setRoles(HashSet<com.djamware.springsecuritymongodb.domain.Role> hashSet) {
    // TODO Auto-generated method stub
    
}

}

Answer

The reason is that the Role that CustomUserDetailsServices getUserAuthority(Set<Role> userRoles) is expecting com.djamware.springsecuritymongodb.domain.Role (see its imports). However, User is returning javax.management.relation.Role (see its imports). To fix it, remove import javax.management.relation.Role; from the User class. Since User and Role are in the same package you don’t need to explicitly import anything.

Gradle Login and signup page giving error in getUserAuthority() in CustomerUserDetailsService.java

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Answer