zeng54088 commented on issue #52: service空指针 URL: https://github.com/apache/incubator-dubbo-spring-boot-project/issues/52#issuecomment-377936569 @luffyke 我是先启动provider，再启动consumer的。看了zookeeper里面也有dubbo的节点，但是调用方法的时候就是报空指针,大兄弟看看我哪里错了 ================================================ 异常如下 2018-04-02 22:04:49.522 INFO 11652 --- [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*] 2018-04-02 22:04:49.522 INFO 11652 --- [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean : Mapping filter: 'webRequestLoggingFilter' to: [/*] 2018-04-02 22:04:49.522 INFO 11652 --- [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean : Mapping filter: 'applicationContextIdFilter' to: [/*] 2018-04-02 22:04:49.743 INFO 11652 --- [ main] .f.a.DubboConfigBindingBeanPostProcessor : The properties of bean [name : dubbo-consumer-demo] have been binding by values : [bean property 'id', bean property 'name'] 2018-04-02 22:04:49.783 WARN 11652 --- [ main] com.alibaba.dubbo.config.AbstractConfig : [DUBBO] null, dubbo version: 2.0.1, current host: 192.168.93.6 java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131] at com.alibaba.dubbo.config.AbstractConfig.toString(AbstractConfig.java:473) ~[dubbo-2.5.10.jar:2.0.1] at java.lang.String.valueOf(String.java:2994) [na:1.8.0_131] at java.lang.StringBuilder.append(StringBuilder.java:131) [na:1.8.0_131] at com.alibaba.dubbo.config.spring.beans.factory.annotation.AbstractAnnotationConfigBeanBuilder.build(AbstractAnnotationConfigBeanBuilder.java:75) [dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.buildReferenceBean(ReferenceAnnotationBeanPostProcessor.java:345) [dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.access$100(ReferenceAnnotationBeanPostProcessor.java:61) [dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor$ReferenceFieldElement.inject(ReferenceAnnotationBeanPostProcessor.java:323) [dubbo-2.5.10.jar:2.0.1] at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) [spring-beans-4.2.3.RELEASE.jar:4.2.3.RELEASE] at com.alibaba.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.postProcessPropertyValues(ReferenceAnnotationBeanPostProcessor.java:88) [dubbo-2.5.10.jar:2.0.1] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) [spring-beans-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) [spring-beans-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) [spring-beans-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) [spring-beans-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) [spring-beans-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) [spring-beans-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) [spring-beans-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772) [spring-beans-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:838) [spring-context-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:537) [spring-context-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) [spring-boot-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) [spring-boot-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.boot.SpringApplication.doRun(SpringApplication.java:347) [spring-boot-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:295) [spring-boot-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1112) [spring-boot-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1101) [spring-boot-1.3.0.RELEASE.jar:1.3.0.RELEASE] at com.alibaba.boot.dubbo.demo.consumer.bootstrap.DubboConsumerDemo.main(DubboConsumerDemo.java:35) [classes/:na] Caused by: java.lang.IllegalStateException: No such extension com.alibaba.dubbo.rpc.Protocol by name zookeeper at com.alibaba.dubbo.common.extension.ExtensionLoader.findException(ExtensionLoader.java:481) ~[dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.common.extension.ExtensionLoader.createExtension(ExtensionLoader.java:488) ~[dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.common.extension.ExtensionLoader.getExtension(ExtensionLoader.java:309) ~[dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java) ~[dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:394) ~[dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:333) ~[dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:163) ~[dubbo-2.5.10.jar:2.0.1] at com.alibaba.dubbo.config.spring.ReferenceBean.getObject(ReferenceBean.java:65) ~[dubbo-2.5.10.jar:2.0.1] ... 30 common frames omitted 2018-04-02 22:04:49.785 INFO 11652 --- [ main] c.a.d.c.s.b.f.a.ReferenceBeanBuilder : <dubbo:reference singleton="true" uniqueServiceName="com.alibaba.boot.dubbo.demo.consumer.DemoService:1.0.0" url="zookeeper://168.192.93.87:2182" interface="com.alibaba.boot.dubbo.demo.consumer.DemoService" generic="false" version="1.0.0" filter="" listener="" id="com.alibaba.boot.dubbo.demo.consumer.DemoService" /> has been built. 2018-04-02 22:04:49.931 INFO 11652 --- [ main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@64485a47: startup date [Mon Apr 02 22:04:46 CST 2018]; root of context hierarchy 2018-04-02 22:04:50.008 INFO 11652 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/sayHello]}" onto public java.lang.String com.alibaba.boot.dubbo.demo.consumer.controller.DemoConsumerController.sayHello(java.lang.String) 2018-04-02 22:04:50.011 INFO 11652 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest) 2018-04-02 22:04:50.011 INFO 11652 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest) 2018-04-02 22:04:50.054 INFO 11652 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler] 2018-04-02 22:04:50.054 INFO 11652 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler] 2018-04-02 22:04:50.099 INFO 11652 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler] 2018-04-02 22:04:50.142 INFO 11652 --- [ main] .f.a.DubboConfigBindingBeanPostProcessor : The properties of bean [name : dubbo] have been binding by values : [bean property 'port', bean property 'id', bean property 'name'] 2018-04-02 22:04:50.493 INFO 11652 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup 2018-04-02 22:04:50.501 INFO 11652 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@4d74c3ba: startup date [Mon Apr 02 22:04:50 CST 2018]; parent: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@64485a47 2018-04-02 22:04:50.565 INFO 11652 --- [ main] o.s.b.f.s.DefaultListableBeanFactory : Overriding bean definition for bean 'handlerExceptionResolver' with a different definition: replacing [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.web.servlet.config.annotation.DelegatingWebMvcConfiguration; factoryMethodName=handlerExceptionResolver; initMethodName=null; destroyMethodName=(inferred); defined in class org.springframework.web.servlet.config.annotation.DelegatingWebMvcConfiguration] with [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=endpointWebMvcChildContextConfiguration; factoryMethodName=compositeHandlerExceptionResolver; initMethodName=null; destroyMethodName=(inferred); defined in org.springframework.boot.actuate.autoconfigure.EndpointWebMvcChildContextConfiguration] 2018-04-02 22:04:50.626 INFO 11652 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8081 (http) 2018-04-02 22:04:50.627 INFO 11652 --- [ main] o.apache.catalina.core.StandardService : Starting service Tomcat 2018-04-02 22:04:50.627 INFO 11652 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.0.28 2018-04-02 22:04:50.643 INFO 11652 --- [ost-startStop-1] o.a.c.c.C.[Tomcat-1].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2018-04-02 22:04:50.643 INFO 11652 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 143 ms 2018-04-02 22:04:50.647 INFO 11652 --- [ost-startStop-1] o.s.b.c.e.ServletRegistrationBean : Mapping servlet: 'dispatcherServlet' to [/] 2018-04-02 22:04:50.711 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/autoconfig || /autoconfig.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.711 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/beans || /beans.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.712 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/trace || /trace.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.712 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/health || /health.json],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.HealthMvcEndpoint.invoke(java.security.Principal) 2018-04-02 22:04:50.713 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/dump || /dump.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.713 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/error || /error.json]}" onto public java.util.Map<java.lang.String, java.lang.Object> org.springframework.boot.actuate.endpoint.mvc.ManagementErrorEndpoint.invoke() 2018-04-02 22:04:50.717 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/mappings || /mappings.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.720 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/dubbo/shutdown],methods=[POST],produces=[application/json]}" onto public org.springframework.web.context.request.async.DeferredResult com.alibaba.boot.dubbo.actuate.endpoint.mvc.DubboMvcEndpoint.shutdown() throws java.lang.Exception 2018-04-02 22:04:50.720 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/dubbo/properties],methods=[GET],produces=[application/json]}" onto public java.util.SortedMap<java.lang.String, java.lang.Object> com.alibaba.boot.dubbo.actuate.endpoint.mvc.DubboMvcEndpoint.properties() 2018-04-02 22:04:50.721 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/dubbo/configs],methods=[GET],produces=[application/json]}" onto public java.util.Map<java.lang.String, java.util.Map<java.lang.String, java.util.Map<java.lang.String, java.lang.Object>>> com.alibaba.boot.dubbo.actuate.endpoint.mvc.DubboMvcEndpoint.configs() 2018-04-02 22:04:50.721 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/dubbo/references],methods=[GET],produces=[application/json]}" onto public java.util.Map<java.lang.String, java.util.Map<java.lang.String, java.lang.Object>> com.alibaba.boot.dubbo.actuate.endpoint.mvc.DubboMvcEndpoint.references() 2018-04-02 22:04:50.721 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/dubbo/services],methods=[GET],produces=[application/json]}" onto public java.util.Map<java.lang.String, java.util.Map<java.lang.String, java.lang.Object>> com.alibaba.boot.dubbo.actuate.endpoint.mvc.DubboMvcEndpoint.services() 2018-04-02 22:04:50.721 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/dubbo || /dubbo.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.722 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/info || /info.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.723 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/env/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EnvironmentMvcEndpoint.value(java.lang.String) 2018-04-02 22:04:50.723 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/env || /env.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.724 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/configprops || /configprops.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.725 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/metrics/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.MetricsMvcEndpoint.value(java.lang.String) 2018-04-02 22:04:50.725 INFO 11652 --- [ main] o.s.b.a.e.mvc.EndpointHandlerMapping : Mapped "{[/metrics || /metrics.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke() 2018-04-02 22:04:50.759 INFO 11652 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler] 2018-04-02 22:04:50.759 INFO 11652 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler] 2018-04-02 22:04:50.767 INFO 11652 --- [ main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@4d74c3ba: startup date [Mon Apr 02 22:04:50 CST 2018]; parent: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@64485a47 2018-04-02 22:04:50.851 INFO 11652 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8081 (http) 2018-04-02 22:04:50.854 INFO 11652 --- [ main] o.s.c.support.DefaultLifecycleProcessor : Starting beans in phase 0 2018-04-02 22:04:50.938 INFO 11652 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8083 (http) 2018-04-02 22:04:50.941 INFO 11652 --- [ main] c.a.b.d.d.c.bootstrap.DubboConsumerDemo : Started DubboConsumerDemo in 4.855 seconds (JVM running for 5.52) 2018-04-02 22:05:04.817 INFO 11652 --- [nio-8083-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring FrameworkServlet 'dispatcherServlet' 2018-04-02 22:05:04.817 INFO 11652 --- [nio-8083-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization started 2018-04-02 22:05:04.840 INFO 11652 --- [nio-8083-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization completed in 23 ms 2018-04-02 22:05:04.897 ERROR 11652 --- [nio-8083-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause java.lang.NullPointerException: null at com.alibaba.boot.dubbo.demo.consumer.controller.DemoConsumerController.sayHello(DemoConsumerController.java:41) ~[classes/:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:222) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:814) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration$ApplicationContextHeaderFilter.doFilterInternal(EndpointWebMvcAutoConfiguration.java:242) ~[spring-boot-actuator-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111) ~[spring-boot-actuator-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:103) ~[spring-boot-actuator-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:217) ~[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456) [tomcat-embed-core-8.0.28.jar:8.0.28] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_131] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_131] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.0.28.jar:8.0.28] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131] =========================== 是不是我注解这里写错了 @RestController public class DemoConsumerController { @Reference(version = "1.0.0", application = "${dubbo.application.id}", url = "zookeeper://168.192.93.87:2182") private DemoService demoService; @RequestMapping("/sayHello") public String sayHello(@RequestParam String name) { return demoService.sayHello(name); } }
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