Spring boot 2.6.0 创建名为“webSecurityConfig”的 bean 时出错

我无法将我的 Spring Boot 应用程序从 2.5.7 更新到 2.6.0。它抛出以下错误。

2021-12-07T08:40:22,311 ERROR [restartedMain] o.s.b.SpringApplication.reportFailure:819|| Application run failed org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'webSecurityConfig': 
The requested bean is currently in creation: Is there an unresolvable circular reference?
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.beforeSingletonCreation(DefaultSingletonBeanRegistry.java:355)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:227)

从 spring-boot 2.6.0 发行说明中可以清楚地看出，循环引用被禁用。并且可以通过该属性重新启用它spring.main.allow-circular-references = true。但我想首先修复循环引用。谁能帮我解决这个问题？请找到网络安全配置下面的课，

@Configuration
@EnableWebSecurity
@SuppressWarnings({"PMD.SignatureDeclareThrowsException"})
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
    private final UserDetailsService userDetailsService;

    public WebSecurityConfig(final UserDetailsService userDetailsService) {
        this.userDetailsService = userDetailsService;
    }

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

    @Override
    protected void configure(final HttpSecurity http) throws Exception {
        http
                .authorizeRequests()
                    .antMatchers("/resources/**", "/registration", "/css/**", "/js/**", "/h2-console/*").permitAll()
                    .anyRequest().authenticated().and()
                .formLogin()
                    .loginPage("/login").permitAll().and()
                .headers()
                    .frameOptions().sameOrigin().and()
                .logout()
                    .permitAll().and()
                .requiresChannel()
                    .requestMatchers(r -> r.getHeader("X-Forwarded-Proto") != null)
                    .requiresSecure();
    }

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

我的代码是开源的，可以在以下位置找到https://github.com/surajcm/Poseidon，我会尝试自行排除故障，如果能够解决此问题，我会分享更新

问题是密码编码器。需要构建自动配置的UserDetailsService您注入类的构造函数中。

您可以通过创建 bean 工厂方法来打破循环static:

@Bean
public static BCryptPasswordEncoder bcryptPasswordEncoder() {
    return new BCryptPasswordEncoder();
}

您还可以将工厂方法移动到不同的配置类。但在我看来，你的WebSecurityConfig是该方法的规范位置。