工程micro-weather-eureka-client-feign 启动报错
Maven,pom配置
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version> 2.0 . 0 .M3</version> <relativePath /> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF- 8 </project.build.sourceEncoding> <project.reporting.outputEncoding>UTF- 8 </project.reporting.outputEncoding> <java.version> 1.8 </java.version> <spring.cloud.version>Finchley.M2</spring.cloud.version> </properties> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>${spring.cloud.version}</version> <type>pom</type> <scope> import </scope> </dependency> </dependencies> </dependencyManagement> <dependencies> <!-- Feign --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-openfeign</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> </dependencies> |
Application启动类注解:
1 2 3 4 5 6 7 8 9 | @SpringBootApplication @EnableDiscoveryClient @EnableFeignClients public class Application { public static void main(String[] args) { SpringApplication.run(Application. class , args); } } |
application.properties配置:
1 2 3 4 5 6 7 8 9 | spring.application.name=micro-weather-eureka-client-feign eureka.client.service-url.defaultZone=http: //localhost:8761/eureka feign.client.config.feignName.connect-timeout= 5000 feign.client.config.feignName.read-timeout= 5000 server.port= 8082 |
启动时错误信息:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | java.lang.IllegalStateException: Failed to introspect Class [org.springframework.cloud.openfeign.ribbon.FeignRibbonClientAutoConfiguration] from ClassLoader [sun.misc.Launcher$AppClassLoader @764c12b6 ] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java: 659 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java: 556 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java: 541 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java: 599 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java: 728 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java: 670 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java: 638 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java: 1507 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java: 421 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java: 391 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java: 97 ) ~[spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java: 693 ) ~[spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java: 531 ) ~[spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java: 122 ) ~[spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java: 750 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java: 386 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 327 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 1245 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 1233 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at com.yao.spring.cloud.Application.main(Application.java: 15 ) [classes/:na] Caused by: java.lang.NoClassDefFoundError: org/springframework/cloud/client/loadbalancer/LoadBalancedRetryFactory at java.lang.Class.getDeclaredMethods0(Native Method) ~[na: 1.8 .0_161] at java.lang.Class.privateGetDeclaredMethods(Unknown Source) ~[na: 1.8 .0_161] at java.lang.Class.getDeclaredMethods(Unknown Source) ~[na: 1.8 .0_161] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java: 641 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] ... 19 common frames omitted Caused by: java.lang.ClassNotFoundException: org.springframework.cloud.client.loadbalancer.LoadBalancedRetryFactory at java.net.URLClassLoader.findClass(Unknown Source) ~[na: 1.8 .0_161] at java.lang.ClassLoader.loadClass(Unknown Source) ~[na: 1.8 .0_161] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[na: 1.8 .0_161] at java.lang.ClassLoader.loadClass(Unknown Source) ~[na: 1.8 .0_161] ... 23 common frames omitted 2018 - 03 - 27 17 : 08 : 06.878 INFO 5888 --- [ main] ConfigServletWebServerApplicationContext : Closing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext @1477089c : startup date [Tue Mar 27 17 : 08 : 06 CST 2018 ]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext @4c178a76 2018 - 03 - 27 17 : 08 : 06.879 WARN 5888 --- [ main] ConfigServletWebServerApplicationContext : Exception thrown from LifecycleProcessor on context close java.lang.IllegalStateException: LifecycleProcessor not initialized - call 'refresh' before invoking lifecycle methods via the context: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext @1477089c : startup date [Tue Mar 27 17 : 08 : 06 CST 2018 ]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext @4c178a76 at org.springframework.context.support.AbstractApplicationContext.getLifecycleProcessor(AbstractApplicationContext.java: 433 ) [spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java: 1004 ) [spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java: 963 ) [spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java: 808 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 338 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 1245 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 1233 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at com.yao.spring.cloud.Application.main(Application.java: 15 ) [classes/:na] 2018 - 03 - 27 17 : 08 : 06.879 ERROR 5888 --- [ main] o.s.b.f.s.DefaultListableBeanFactory : Destroy method on bean with name 'org.springframework.boot.autoconfigure.internalCachingMetadataReaderFactory' threw an exception java.lang.IllegalStateException: ApplicationEventMulticaster not initialized - call 'refresh' before multicasting events via the context: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext @1477089c : startup date [Tue Mar 27 17 : 08 : 06 CST 2018 ]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext @4c178a76 at org.springframework.context.support.AbstractApplicationContext.getApplicationEventMulticaster(AbstractApplicationContext.java: 420 ) [spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.ApplicationListenerDetector.postProcessBeforeDestruction(ApplicationListenerDetector.java: 95 ) ~[spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java: 240 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java: 582 ) [spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java: 558 ) [spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java: 952 ) [spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java: 527 ) [spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.destroySingletons(FactoryBeanRegistrySupport.java: 228 ) [spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java: 959 ) [spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java: 1035 ) [spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java: 1011 ) [spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java: 963 ) [spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java: 808 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 338 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 1245 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 1233 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at com.yao.spring.cloud.Application.main(Application.java: 15 ) [classes/:na] 2018 - 03 - 27 17 : 08 : 06.880 WARN 5888 --- [ main] o.s.boot.SpringApplication : Unable to close ApplicationContext java.lang.IllegalStateException: Failed to introspect Class [org.springframework.cloud.openfeign.ribbon.FeignRibbonClientAutoConfiguration] from ClassLoader [sun.misc.Launcher$AppClassLoader @764c12b6 ] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java: 659 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java: 556 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java: 541 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java: 599 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java: 728 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java: 670 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java: 638 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java: 1507 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java: 421 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java: 391 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java: 511 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java: 504 ) ~[spring-beans- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java: 1191 ) ~[spring-context- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] at org.springframework.boot.SpringApplication.getExitCodeFromMappedException(SpringApplication.java: 879 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.getExitCodeFromException(SpringApplication.java: 865 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.handleExitCode(SpringApplication.java: 851 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java: 802 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 338 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 1245 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at org.springframework.boot.SpringApplication.run(SpringApplication.java: 1233 ) [spring-boot- 2.0 . 0 .M3.jar: 2.0 . 0 .M3] at com.yao.spring.cloud.Application.main(Application.java: 15 ) [classes/:na] Caused by: java.lang.NoClassDefFoundError: org/springframework/cloud/client/loadbalancer/LoadBalancedRetryFactory at java.lang.Class.getDeclaredMethods0(Native Method) ~[na: 1.8 .0_161] at java.lang.Class.privateGetDeclaredMethods(Unknown Source) ~[na: 1.8 .0_161] at java.lang.Class.getDeclaredMethods(Unknown Source) ~[na: 1.8 .0_161] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java: 641 ) ~[spring-core- 5.0 . 0 .RC3.jar: 5.0 . 0 .RC3] ... 20 common frames omitted Caused by: java.lang.ClassNotFoundException: org.springframework.cloud.client.loadbalancer.LoadBalancedRetryFactory at java.net.URLClassLoader.findClass(Unknown Source) ~[na: 1.8 .0_161] at java.lang.ClassLoader.loadClass(Unknown Source) ~[na: 1.8 .0_161] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[na: 1.8 .0_161] at java.lang.ClassLoader.loadClass(Unknown Source) ~[na: 1.8 .0_161] ... 24 common frames omitted |
我怀疑是在网络下载相关jar依赖时某些jar没下载下来,或者某些jar的版本冲突的。能麻烦老师帮忙看一下是什么问题吗?