springboot版本从1.5.3升级2.2.x踩坑实录2--authenticationManager无法注入问题

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 2 APPLICATION FAILED TO START
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 4  
 5 Description:
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 7 Field configurers in org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerEndpointsConfiguration required a bean of type ‘org.springframework.security.authentication.AuthenticationManager‘ that could not be found.
 8  
 9 The injection point has the following annotations:
10     - @org.springframework.beans.factory.annotation.Autowired(required=true)
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12  
13 Action:
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15 Consider defining a bean of type ‘org.springframework.security.authentication.AuthenticationManager‘ in your configuration.

/**
 * @Auther: duke
 * @Date: 2018-11-23 10:36
 * @Description:要求用户在进入你的应用的任何URL之前都进行验证
 */
@Configuration
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
 
    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }
    //.......
    //要求用户在进入你的应用的任何URL之前都进行验证
    //创建一个用户名是“user”，密码是“password”，角色是“ROLE_USER”的用户
    //启用HTTP Basic和基于表单的验证
    //Spring Security将会自动生成一个登陆页面和登出成功页面
}