创建名为“securityConfig”的 bean 时出错：当前正在创建请求的 bean：是否存在无法解析的循环引用？

Question

引用自此处（我的代码与此 repo 完全相同）- https://github.com/DamianMielcarek/CRM/tree/master/src/main/java/crm

错误

org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'securityConfig': Requested bean is currently in creation: Is there an unresolvable circular reference?
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.beforeSingletonCreation(DefaultSingletonBeanRegistry.java:355) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:227) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:410) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.resolveBeanReference(ConfigurationClassEnhancer.java:362) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:334) ~[spring-context-5.3.18.jar:5.3.18]
    at com.SecurityConfig$$EnhancerBySpringCGLIB$$4ce77a01.customUserDetailsService(<generated>) ~[classes/:na]
    at com.SecurityConfig.configureGlobal(SecurityConfig.java:31) ~[classes/:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.inject(AutowiredAnnotationBeanPostProcessor.java:724) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1431) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:953) ~[spring-beans-5.3.18.jar:5.3.18]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:740) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:415) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1312) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) ~[spring-boot-2.6.6.jar:2.6.6]
    at com..BenimcarsApplication.main(BenimcarsApplication.java:16) ~[classes/:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
    at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) ~[spring-boot-devtools-2.6.6.jar:2.6.6]

安全配置.java

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(securedEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Bean
    public BCryptPasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Bean
    public SpringDataUserDetailsService customUserDetailsService() {
        return new SpringDataUserDetailsService();
    }

    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(customUserDetailsService()).passwordEncoder(passwordEncoder());
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests()
                .antMatchers("/admin/**", "/user/delete/**").hasRole("ADMIN")
                .antMatchers("/pdf-generator", "/search/**", "/customer/**", "/user/edit/**", "/user/list", "/contract/**").hasAnyRole( "ADMIN", "USER", "MANAGER", "OWNER")
                .anyRequest().permitAll()
                .and()
                .formLogin().loginPage("/login").permitAll()
                .and()
                .logout().logoutSuccessUrl("/").permitAll()
                .and()
                .exceptionHandling().accessDeniedPage("/403");
    }

}

UserService.java

public interface UserService {
    User findByUsername(String username);
    Iterable<User> listAllUsers();
    User showUser(Long id);
    void saveUser(User user);
    void editUser(User user);
    void deleteUser(User user);

}

UserServiceImpl.java

@Service
public class UserServiceImpl implements UserService {

    private UserRepository userRepository;
    private RoleRepository roleRepository;
    private BCryptPasswordEncoder passwordEncoder;
    private AuthenticationManager authenticationManager;
    private SpringDataUserDetailsService springDataUserDetailsService;

    @Autowired
    public void setUserRepository(UserRepository userRepository) {
        this.userRepository = userRepository;
    }

    @Autowired
    public void setRoleRepository(RoleRepository roleRepository) {
        this.roleRepository = roleRepository;
    }

    @Autowired
    public void setPasswordEncoder(BCryptPasswordEncoder passwordEncoder) {
        this.passwordEncoder = passwordEncoder;
    }

    @Autowired
    public void setAuthenticationManager(AuthenticationManager authenticationManager) {
        this.authenticationManager = authenticationManager;
    }

    @Autowired
    public void setSpringDataUserDetailsService(SpringDataUserDetailsService springDataUserDetailsService) {
        this.springDataUserDetailsService = springDataUserDetailsService;
    }

    @Override
    public User findByUsername(String username) {
        return userRepository.findByUsername(username);
    }

    @Override
    public Iterable<User> listAllUsers() {
        return userRepository.findAllByEnabled(1);
    }

    @Override
    public User showUser(Long id) {
        return userRepository.findOne(id);
    }

    @Override
    public void saveUser(User user) {
        Role userRole = roleRepository.findByName("ROLE_USER");
        user.setRole(userRole);
        user.setEnabled(1);
        String password = user.getPassword();
        user.setPassword(passwordEncoder.encode(password));
        userRepository.save(user);
        if (user.getId().equals(1L)) {
            userRole = roleRepository.findByName("ROLE_ADMIN");
            user.setRole(userRole);
            userRepository.save(user);
        }
        UserDetails userDetails = springDataUserDetailsService.loadUserByUsername(user.getUsername());
        UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken =
                new UsernamePasswordAuthenticationToken(userDetails, password, userDetails.getAuthorities());
        authenticationManager.authenticate(usernamePasswordAuthenticationToken);
        SecurityContextHolder.getContext().setAuthentication(usernamePasswordAuthenticationToken);
    }

    @Override
    public void editUser(User user) {
        String password = user.getPassword();
        user.setPassword(passwordEncoder.encode(password));
        Role userRole = roleRepository.findByName("ROLE_USER");
        try {
            userRole = roleRepository.findById(user.getRole().getId()).orElse(null);;
        } catch (NullPointerException e) {
            userRole = roleRepository.findByName("ROLE_USER");
        } finally {
            user.setRole(userRole);
            user.setEnabled(1);
            userRepository.save(user);
        }
    }

    @Override
    public void deleteUser(User user) {
        user.setEnabled(0);
        user.setPassword(null);
        userRepository.save(user);
    }

}

SpringDataUserDetailsService.java

@Service
public class SpringDataUserDetailsService implements UserDetailsService {

    @Autowired
    UserService userService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        User user = userService.findByUsername(username);
        if (user == null) {
            throw new UsernameNotFoundException(username);
        }
        String role = user.getRole().getName();
        Set<GrantedAuthority> grantedAuthorities = new HashSet<>();
        grantedAuthorities.add(new SimpleGrantedAuthority(role));
        CurrentUser currentUser = new CurrentUser();
        currentUser.setUser(user);
        currentUser.setAuthorities(grantedAuthorities);
        return currentUser;
    }

}

Answer 1

您所指的项目使用 Spring Boot 1.5.10。 如果您尝试使用 Spring Boot 2.6.0 或更高版本，则需要解决其他人提到的循环引用，或将spring.main.allow-circular-references设置为true 。

有关详细信息，请参阅Spring Boot 2.6 发行说明。