那些遇到过的问题

Spring boot：注册成功后尝试自动登录时 java.lang.StackOverflowError:null

Sha*_*hin 5 java spring-security spring-boot

我需要在注册成功后自动登录。我关注了这些stackoverflow 帖子和文章java.lang.StackOverflowError : null，但在通过 Postman 测试我的代码时得到了。

控制器类：

@RestController
public class RegistrationController {

    @Autowired
    private UserService userService;

    @Autowired
    private AuthenticationManager authenticationManager;

    @PostMapping("/api/user/registration")
    public ResponseEntity registerNewUserAccount(
            @RequestBody @Valid RegistrationDto userDto, HttpServletRequest request){

        userService.save(userDto);
        authenticateUser(userDto, request);

        return ResponseEntity.ok().build();
    }

    private void authenticateUser(RegistrationDto userDto, HttpServletRequest request){
        String username = userDto.getEmailAddress();
        String password = userDto.getPassword();

        UsernamePasswordAuthenticationToken token =
                new UsernamePasswordAuthenticationToken(username, password);

        request.getSession();
        token.setDetails(new WebAuthenticationDetails(request));
        Authentication authenticatedUser =
                authenticationManager.authenticate(token);
        SecurityContextHolder.getContext().setAuthentication(authenticatedUser);
    }
}
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安全配置类：

@Configuration
@EnableWebSecurity
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        super.configure(auth);
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                .authorizeRequests()
                .anyRequest().permitAll()
                .and()
                .csrf().disable();
    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    @Bean
    public BCryptPasswordEncoder cryptPasswordEncoder(){
        return new BCryptPasswordEncoder();
    }
}
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我知道StackOverflowError并且我猜测AuthenticationManagerBuilder或者authenticationManagerBean应该导致这个问题。

这是一段冗长的错误消息：

java.lang.StackOverflowError: null
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at com.sun.proxy.$Proxy100.authenticate(Unknown Source) ~[na:na]
    at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:200) ~[spring-security-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:503) ~[spring-security-config-5.1.6.RELEASE.jar:5.1.6.RELEASE]
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.9.RELEASE.jar:5.1.9.RELEASE]
    at org.springframework.aop.framework.JdkDynamicAopProxy

men*_*urg 4

您的猜测是正确的:) 您应该AuthenticationManager正确配置。您引用的链接没有明确表明这一点。

配置它的方法有很多种AuthenticationManager：显式提供 的实现，或者配置将创建 的构建器AuthenticationManager，或者AuthenticationManager通过 XML 进行配置等。下面是配置它的多种可能方法中的 2 种。


1.提供自己的AuthenticationManager

对于某些真正的身份验证，您可以实现AuthenticationManager基于 LDAP 或 JDBC 的身份验证。为了演示这个想法，这里有一个虚拟实现，足以使您的代码运行。

public class DummyAuthenticationManager implements AuthenticationManager {

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        // Dummy implementation. We don't check anything here.
        return authentication;
    }

}
Run Code Online (Sandbox Code Playgroud)

在您SecurityConfiguration创建它的实例，如下所示：

@Configuration
@EnableWebSecurity
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return new DummyAuthenticationManager();
    }

    ...

}
Run Code Online (Sandbox Code Playgroud)

通过这些更改，您的代码将运行，并且您可以继续逐步扩展它。


2.使用AuthenticationManagerBuilder

AuthenticationManager您可以配置AuthenticationManagerBuilder将为您构建AuthenticationManager所需的内容，而不是实现。

@Configuration
@EnableWebSecurity
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.inMemoryAuthentication()
            .withUser("user1").password("password1").roles("USER").and()
            .withUser("user2").password("password2").roles("USER").and()
            .withUser("admin").password("password3").roles("USER", "ADMIN");
    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManager();
    }

    ...
}
Run Code Online (Sandbox Code Playgroud)

通过这些更改，您的代码将运行，并且您可以继续逐步扩展它。例如，对于实际的东西，inMemoryAuthentication()您可以使用ldapAuthentication()或jdbcAuthentication()或其他一些配置器。

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