springsecurity5配置之后启动项目报错：authenticationManager cannot be null

 

目录

 配置代码

报错信息

解决办法

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配置代码

下面的配置为响应式的配置方式

//这个配置只是配置springboot admin的一个例子，具体的配置可能比较复杂
@EnableWebFluxSecurity
public class SecurityConfig {private final AdminServerProperties adminServer;public SecurityConfig(AdminServerProperties adminServer) {this.adminServer = adminServer;}@Beanpublic SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {http.authorizeExchange(exchanges -> exchanges.matchers(EndpointRequest.to(HealthEndpoint.class, InfoEnd