Spring Boot 3 - 执行器中缺少dispatcherServletRegistration bean

问题描述 投票：0回答：2

当我启动 Spring Boot 3.2.0 应用程序并调用运行状况端点时，我收到错误消息：

java.lang.IllegalArgumentException: Failed to find servlet [dispatcherServletRegistration] in the servlet context
    at org.springframework.util.Assert.notNull(Assert.java:172)
    at org.springframework.security.config.annotation.web.AbstractRequestMatcherRegistry$DispatcherServletDelegatingRequestMatcher.matcher(AbstractRequestMatcherRegistry.java:529)
    at org.springframework.security.web.access.intercept.RequestMatcherDelegatingAuthorizationManager.check(RequestMatcherDelegatingAuthorizationManager.java:79)
    at org.springframework.security.web.access.intercept.RequestMatcherDelegatingAuthorizationManager.check(RequestMatcherDelegatingAuthorizationManager.java:48)
    at org.springframework.security.authorization.ObservationAuthorizationManager.check(ObservationAuthorizationManager.java:63)
    at org.springframework.security.web.access.intercept.AuthorizationFilter.doFilter(AuthorizationFilter.java:95)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:126)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:120)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:100)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:179)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:181)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.oauth2.server.resource.web.authentication.BearerTokenAuthenticationFilter.doFilterInternal(BearerTokenAuthenticationFilter.java:128)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:107)
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:93)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:117)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:91)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:90)
    at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:75)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:82)
    at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:69)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:62)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.session.DisableEncodeUrlFilter.doFilterInternal(DisableEncodeUrlFilter.java:42)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
    at org.springframework.security.web.ObservationFilterChainDecorator$AroundFilterObservation$SimpleAroundFilterObservation.lambda$wrap$0(ObservationFilterChainDecorator.java:323)
    at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:224)
    at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
    at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:233)
    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:191)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:352)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:268)
    at org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205)
    at org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1586)
    at org.eclipse.jetty.ee10.servlet.ServletHandler$MappedServlet.handle(ServletHandler.java:1547)
    at org.eclipse.jetty.ee10.servlet.ServletChannel.dispatch(ServletChannel.java:838)
    at org.eclipse.jetty.ee10.servlet.ServletChannel.handle(ServletChannel.java:463)
    at org.eclipse.jetty.ee10.servlet.ServletHandler.handle(ServletHandler.java:464)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:571)
    at org.eclipse.jetty.ee10.servlet.SessionHandler.handle(SessionHandler.java:703)
    at org.eclipse.jetty.server.handler.ContextHandler.handle(ContextHandler.java:761)
    at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:594)
    at org.eclipse.jetty.server.Handler$Wrapper.handle(Handler.java:716)
    at org.eclipse.jetty.server.handler.EventsHandler.handle(EventsHandler.java:81)
    at org.eclipse.jetty.server.Server.handle(Server.java:179)
    at org.eclipse.jetty.server.internal.HttpChannelState$HandlerInvoker.run(HttpChannelState.java:597)
    at org.eclipse.jetty.server.internal.HttpConnection.onFillable(HttpConnection.java:424)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:322)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:99)
    at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)

当我在我的应用程序中添加 DispatcherServletRegistrationBean 时，如下所示：

@SpringBootApplication
public class SpringApplication {
    public static void main(String[] args) {
        SpringApplication.run(SpringApplication.class, args);
    }

    @Bean
    public DispatcherServletRegistrationBean dispatcherServletRegistrationBean() {
        return new DispatcherServletRegistrationBean(dispatcherServlet(), "/");
    }

    private DispatcherServlet dispatcherServlet() {
        AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();

        return new DispatcherServlet(context);
    }
}

应用程序无法启动，我收到以下错误：

Parameter 0 of method errorPageCustomizer in org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration required a single bean, but 2 were found:
    - dispatcherServletRegistrationBean: defined by method 'dispatcherServletRegistrationBean' in com.core.SpringApplication
    - dispatcherServletRegistration: defined by method 'dispatcherServletRegistration' in class path resource [org/springframework/boot/autoconfigure/web/servlet/DispatcherServletAutoConfiguration$DispatcherServletRegistrationConfiguration.class]

我使用的执行器配置适用于其他 4 个微服务，因此很难重现该问题。有谁知道这是怎么发生的吗？

spring-boot spring-boot-actuator spring-boot-3
2个回答
0
投票

我也面临着同样的问题。就我而言，我为执行器设置了不同的端口。当我删除它并使用与应用程序相同的端口时，问题得到解决。

根本原因： 我设置了以下属性

management.endpoint.port=8081

这导致新的 servlet 被初始化

Initializing Servelet 'dispatcherServletRegistration'

但是这个servlet没有在应用程序上下文中注册。在 Spring Security 6.2.1 中，在处理 PermitAll 功能之前，它们有一个条件，用于将 requestMatcher 与 servletname 进行匹配。由于新的 DispatcherServletRegistration 未添加到应用程序上下文中，因此它会失败并导致此问题。我不确定为什么执行器初始化一个新的 servlet 而不是使用现有的 DispatcherServlet。

注意：我无法解决如何在不同端口上设置执行器并完成这项工作，但经过几个小时的调试后，我将其留给其他人。

0
投票

我也遇到了同样的问题，我的执行器在另一个端口上。 一种解决方案是为您的执行器使用另一个 SecurityFilterChain :

第一个过滤链（你已经拥有的）：

@Order(Ordered.HIGHEST_PRECEDENCE)
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
    return http
            .securityMatcher(new NegatedRequestMatcher(EndpointRequest.toAnyEndpoint()))
            ...
            .authorizeHttpRequests(...).build()
}

securityMatcher + NegatedRequestMatcher 将使此 fitlerChain 忽略您在参数中传递的内容：这里是 EndpointRequest.toAnyEndpoint() ，它对应于您可能拥有的任何 Actuator。它可以是 EndpointRequest.to("actuatorName") 或路径： new AntPathRequestMatcher("/path/**")

然后是第二个SecurityFilterChain，其中permitAll：

@Bean
public SecurityFilterChain actuatorFilterChain(HttpSecurity http) throws Exception {
    http.authorizeHttpRequests(requests -> requests.anyRequest().permitAll());
    return http.build();     
}
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