springcloud整合openfeign启动报错，Error creating bean with name ‘feignTargeter‘

报错信息：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'feignTargeter' defined in class path resource [org/springframework/cloud/openfeign/FeignAutoConfiguration$HystrixFeignTargeterConfiguration.class]: Initialization of bean failed; nested exception is org.springframework.aop.framework.AopConfigException: Could not generate CGLIB subclass of class org.springframework.cloud.openfeign.HystrixTargeter: Common causes of this problem include using a final class or a non-visible class; nested exception is org.springframework.cglib.core.CodeGenerationException: java.lang.IllegalAccessError-->class org.springframework.cloud.openfeign.HystrixTargeter$$EnhancerBySpringCGLIB$$43be203c cannot access its superclass org.springframework.cloud.openfeign.HystrixTargeterat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:602)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:897)at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:879)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551)at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.refresh(ReactiveWebServerApplicationContext.java:62)at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:755)at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747)at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:402)at org.springframework.boot.SpringApplication.run(SpringApplication.java:312)at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:140)at com.demo.boot.launch.SpringApplication.run(SpringApplication.java:31)at com.demo.GatewayApplication.main(GatewayApplication.java:14)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
Caused by: org.springframework.aop.framework.AopConfigException: Could not generate CGLIB subclass of class org.springframework.cloud.openfeign.HystrixTargeter: Common causes of this problem include using a final class or a non-visible class; nested exception is org.springframework.cglib.core.CodeGenerationException: java.lang.IllegalAccessError-->class org.springframework.cloud.openfeign.HystrixTargeter$$EnhancerBySpringCGLIB$$43be203c cannot access its superclass org.springframework.cloud.openfeign.HystrixTargeterat org.springframework.aop.framework.CglibAopProxy.getProxy(CglibAopProxy.java:209)at org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:110)at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(AbstractAutoProxyCreator.java:471)at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:350)at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:299)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:430)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1803)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594)... 21 common frames omitted
Caused by: org.springframework.cglib.core.CodeGenerationException: java.lang.IllegalAccessError-->class org.springframework.cloud.openfeign.HystrixTargeter$$EnhancerBySpringCGLIB$$43be203c cannot access its superclass org.springframework.cloud.openfeign.HystrixTargeterat org.springframework.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:538)at org.springframework.cglib.core.AbstractClassGenerator.generate(AbstractClassGenerator.java:363)at org.springframework.cglib.proxy.Enhancer.generate(Enhancer.java:585)at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:110)at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:108)at org.springframework.cglib.core.internal.LoadingCache$2.call(LoadingCache.java:54)at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)at java.util.concurrent.FutureTask.run(FutureTask.java)at org.springframework.cglib.core.internal.LoadingCache.createEntry(LoadingCache.java:61)at org.springframework.cglib.core.internal.LoadingCache.get(LoadingCache.java:34)at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData.get(AbstractClassGenerator.java:134)at org.springframework.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:319)at org.springframework.cglib.proxy.Enhancer.createHelper(Enhancer.java:572)at org.springframework.cglib.proxy.Enhancer.createClass(Enhancer.java:419)at org.springframework.aop.framework.ObjenesisCglibAopProxy.createProxyClassAndInstance(ObjenesisCglibAopProxy.java:57)at org.springframework.aop.framework.CglibAopProxy.getProxy(CglibAopProxy.java:206)... 28 common frames omitted
Caused by: java.lang.IllegalAccessError: class org.springframework.cloud.openfeign.HystrixTargeter$$EnhancerBySpringCGLIB$$43be203c cannot access its superclass org.springframework.cloud.openfeign.HystrixTargeterat java.lang.ClassLoader.defineClass1(Native Method)at java.lang.ClassLoader.defineClass(ClassLoader.java:756)at sun.reflect.GeneratedMethodAccessor34.invoke(Unknown Source)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.springframework.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:535)... 43 common frames omitted

翻译一下错误原因就是：HystrixTargeter EnhancerBySpringCGLIB 43be203c 这个类无法访问它的超类 HystrixTargeter

问题分析：（SpringCloud Greenwich（六）集成dubbo与openfeign的feignTargeter报错，cannot access its superinterface Targeter_茅坤宝骏氹的博客-程序员宅基地 - 程序员宅基地）感谢这位大佬的详细分析

解决方法：去除pom文件里面的spring-boot-devtools依赖就行了

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springcloud整合openfeign启动报错，Error creating bean with name ‘feignTargeter‘

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