When implementing Spring Security Configuration, getting java.lang.StackOverFlow

Question

I am trying to configure the WebSecurityConfig class for my mySQL database. What I'm trying to achieve here is when the user is created, a token is automatically created and assigned to the client. But I think I have a problem viewing the entire username inside the database.

So here is my UserController ;

 @RestController public class UserController { @Autowired private IUserService userService; @Autowired private SecurityService securityService; @RequestMapping(value = "/createuser", method = RequestMethod.POST) public String createUser(@RequestBody User user, Model md) { if (userService.checkExistUserName(user.getUserName())) { md.addAttribute("LoginError", true); return "Username exists, try with another username"; } User newUser = new User(); newUser.setUserName(user.getUserName()); newUser.setFirstname(user.getFirstname()); newUser.setUserMail(user.getUserMail()); newUser.setSurname(user.getSurname()); newUser.setUserPassword(user.getUserPassword()); userService.saveUser(user); /* Automatic login after register */ securityService.autologin(user.getUserName(), user.getUserPassword()); return user.getId().toString(); } 

Here is the SecurityService class

 @Service public class SecurityService { @Autowired IUserService userService; @Autowired private AuthenticationManager authenticationManager; @Autowired private UserDetailsService userDetailsService; public User activeUser() { Authentication auth = SecurityContextHolder.getContext().getAuthentication(); String username = auth.getName(); Optional<User> user = userService.getUserByName(username); if (user.isPresent()) { return user.get(); } return null; } public void autologin(String username, String password) { UserDetails userDetails = userDetailsService.loadUserByUsername(username); UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken = new UsernamePasswordAuthenticationToken(userDetails, password, AuthorityUtils.createAuthorityList("USER")); authenticationManager.authenticate(usernamePasswordAuthenticationToken); if (usernamePasswordAuthenticationToken.isAuthenticated()) { SecurityContextHolder.getContext().setAuthentication(usernamePasswordAuthenticationToken); } } } 

Here is the WebSecurityConfig class

 @Configuration @EnableWebSecurity @Service public class WebSecurityConfig extends WebSecurityConfigurerAdapter { @Autowired private UserDetailsService userDetailsService; @Override protected void configure(HttpSecurity http) throws Exception { // disable caching http.headers().cacheControl(); http.csrf().disable() // disable csrf for our requests. .authorizeRequests() .antMatchers("/").permitAll() .antMatchers(HttpMethod.GET, "/login").permitAll() .antMatchers(HttpMethod.POST, "/createuser").permitAll() .antMatchers(HttpMethod.GET, "/user/1").permitAll() .anyRequest().authenticated() .and() // We filter the api/login requests .addFilterBefore(new JWTLoginFilter("/login", authenticationManager()), UsernamePasswordAuthenticationFilter.class) // And filter other requests to check the presence of JWT in header .addFilterBefore(new JWTAuthenticationFilter(), UsernamePasswordAuthenticationFilter.class); } @Override protected void configure(AuthenticationManagerBuilder auth) throws Exception { // Create a default account auth.userDetailsService(userDetailsService); } @Bean public UserDetailsService userDetailsService() { return super.userDetailsService(); } } 

When I create a user, he creates a database, but gives me this error below;

 java.lang.StackOverflowError: null at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$UserDetailsServiceDelegator.loadUserByUsername(WebSecurityConfigurerAdapter.java:442) ~[spring-security-config-4.2.1.RELEASE.jar:4.2.1.RELEASE] 

This happens as shown below.

So, I think the problem here is UserDetailService does not know how to search for user names in the database or it could be something else. I cannot configure the WebSecurityConfig class correctly. So, any suggestion?