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NoSuchMethodError： org.springframework.boot.web.servlet.error.ErrorController.getErrorPath（） in latest spring-cloud-starter-netflix-zuul

java spring spring-boot netflix-zuul spring-cloud-netflix
2022-09-03 04:48:25

我的应用程序使用spring-boot版本2.5.0和spring-cloud-starter-netflix-zuul 2.2.8.RELEASE

在最新的 spring-boot 版本 2.5.0 中，getErrorPath（） API 已从 ErrorController 中删除，但最新的 spring-cloud-starter-netflix-zuul 2.2.8.RELEASE 仍会调用此 API 并导致此错误

是否有人遇到相同的问题并已解决

2021-06-23 19:36:31 o.a.c.c.C.[.[localhost] [ERROR] Exception Processing ErrorPage[errorCode=0, location=/error]
org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.NoSuchMethodError: 'java.lang.String org.springframework.boot.web.servlet.error.ErrorController.getErrorPath()'
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1078)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:327)
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:106)
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:81)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:121)
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:115)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:87)
    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:81)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:105)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:149)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:103)
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:89)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:110)
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:80)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:336)
    at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:211)
    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:183)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:710)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:459)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:384)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312)
    at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:398)
    at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:257)
    at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:352)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:177)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1707)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NoSuchMethodError: 'java.lang.String org.springframework.boot.web.servlet.error.ErrorController.getErrorPath()'
    at org.springframework.cloud.netflix.zuul.web.ZuulHandlerMapping.lookupHandler(ZuulHandlerMapping.java:87)
    at org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.getHandlerInternal(AbstractUrlHandlerMapping.java:152)
    at org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:498)
    at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1257)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1039)
    ... 72 common frames omitted

答案 1

问题是org.springframework.cloud：spring-cloud-starter-netflix-zuul：2.2.x和Spring Boot 2.5.x之间的Spring版本冲突。

这里提到的aldobongio的这个解决方法/修复方法对我有用：https://gist.github.com/aldobongio/6a22f49863c7a777612f7887bbb8fd1d

此代码创建一个新的 BeanPostProcessor，它将自定义代理包装在原始的 ZuulHandlerMapping bean 周围。此代理拦截查找处理程序方法的调用，阻止执行导致“NoSuchMethodError”的代码。

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.boot.web.servlet.error.ErrorController;
import org.springframework.cglib.proxy.Callback;
import org.springframework.cglib.proxy.CallbackFilter;
import org.springframework.cglib.proxy.Enhancer;
import org.springframework.cglib.proxy.MethodInterceptor;
import org.springframework.cglib.proxy.MethodProxy;
import org.springframework.cglib.proxy.NoOp;
import org.springframework.cloud.netflix.zuul.filters.RouteLocator;
import org.springframework.cloud.netflix.zuul.web.ZuulController;
import org.springframework.cloud.netflix.zuul.web.ZuulHandlerMapping;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Fix for Zuul configuration with Spring Boot 2.5.x + Zuul - "NoSuchMethodError: ErrorController.getErrorPath()":
 */
@Configuration
public class ZuulConfiguration {
  /**
   * The path returned by ErrorController.getErrorPath() with Spring Boot < 2.5
   * (and no longer available on Spring Boot >= 2.5).
   */
  private static final String ERROR_PATH = "/error";
  private static final String METHOD = "lookupHandler";

  /**
   * Constructs a new bean post-processor for Zuul.
   *
   * @param routeLocator    the route locator.
   * @param zuulController  the Zuul controller.
   * @param errorController the error controller.
   * @return the new bean post-processor.
   */
  @Bean
  public ZuulPostProcessor zuulPostProcessor(@Autowired RouteLocator routeLocator,
                                             @Autowired ZuulController zuulController,
                                             @Autowired(required = false) ErrorController errorController) {
    return new ZuulPostProcessor(routeLocator, zuulController, errorController);
  }

  private enum LookupHandlerCallbackFilter implements CallbackFilter {
    INSTANCE;

    @Override
    public int accept(Method method) {
      if (METHOD.equals(method.getName())) {
        return 0;
      }
      return 1;
    }
  }

  private enum LookupHandlerMethodInterceptor implements MethodInterceptor {
    INSTANCE;

    @Override
    public Object intercept(Object target, Method method, Object[] args, MethodProxy methodProxy) throws Throwable {
      if (ERROR_PATH.equals(args[0])) {
        // by entering this branch we avoid the ZuulHandlerMapping.lookupHandler method to trigger the 
        // NoSuchMethodError 
        return null;
      }
      return methodProxy.invokeSuper(target, args);
    }
  }

  private static final class ZuulPostProcessor implements BeanPostProcessor {

    private final RouteLocator routeLocator;
    private final ZuulController zuulController;
    private final boolean hasErrorController;

    ZuulPostProcessor(RouteLocator routeLocator, ZuulController zuulController, ErrorController errorController) {
      this.routeLocator = routeLocator;
      this.zuulController = zuulController;
      this.hasErrorController = (errorController != null);
    }

    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
      if (hasErrorController && (bean instanceof ZuulHandlerMapping)) {
        Enhancer enhancer = new Enhancer();
        enhancer.setSuperclass(ZuulHandlerMapping.class);
        enhancer.setCallbackFilter(LookupHandlerCallbackFilter.INSTANCE); // only for lookupHandler
        enhancer.setCallbacks(new Callback[] {LookupHandlerMethodInterceptor.INSTANCE, NoOp.INSTANCE});
        Constructor<?> ctor = ZuulHandlerMapping.class.getConstructors()[0];
        return enhancer.create(ctor.getParameterTypes(), new Object[] {routeLocator, zuulController});
      }
      return bean;
    }
  }
}

答案 2

我遇到了同样的问题，因为自2020年以来，春云不支持zuul。
spring-cloud 和 netflix-zuul 将按照以下版本正常工作。

spring-boot-starter-parent: 2.1.3.RELEASE
java.version: 1.8
spring-cloud.version: Greenwich.RELEASE
spring-cloud-starter-netflix-zuul: 2.1.0.RELEASE
spring-cloud-starter-netflix-eureka-client: 2.1.0.RELEASE
jackson-dataformat-xml: 2.9.9
spring-cloud-starter-netflix-eureka-server: 2.1.0.RELEASE

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