最初我使用的是springboot 2.4.9+springcloud 2020.0.4，它与外部tomcat配合良好，但对于springboot 2.6.5+springccloud 2021.0.1，它从外部tomcat开始失败，但在嵌入式tomcat中成功。它在尤里卡服务器上注册失败。
springframework.boot.SpringApplication.reportFailure(830) - Application run failed
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-5.3.17.jar:5.3.17]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.17.jar:5.3.17]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.17.jar:5.3.17]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.17.jar:5.3.17]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.17.jar:5.3.17]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.17.jar:5.3.17]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.17.jar:5.3.17]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:953) ~[spring-beans-5.3.17.jar:5.3.17]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:740) ~[spring-boot-2.6.5.jar:2.6.5]
at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:175) ~[spring-boot-2.6.5.jar:2.6.5]
at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:155) ~[spring-boot-2.6.5.jar:2.6.5]
at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:97) ~[spring-boot-2.6.5.jar:2.6.5]
at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:174) ~[spring-web-5.3.17.jar:5.3.17]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5219) ~[catalina.jar:9.0.56]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[catalina.jar:9.0.56]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396) ~[catalina.jar:9.0.56]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386) ~[catalina.jar:9.0.56]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_252]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-util.jar:9.0.56]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) ~[?:1.8.0_252]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919) ~[catalina.jar:9.0.56]
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:835) ~[catalina.jar:9.0.56]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[catalina.jar:9.0.56]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396) ~[catalina.jar:9.0.56]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386) ~[catalina.jar:9.0.56]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_252]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-util.jar:9.0.56]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) ~[?:1.8.0_252]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919) ~[catalina.jar:9.0.56]
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:263) ~[catalina.jar:9.0.56]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[catalina.jar:9.0.56]
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432) ~[catalina.jar:9.0.56]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[catalina.jar:9.0.56]
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:927) ~[catalina.jar:9.0.56]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[catalina.jar:9.0.56]
at org.apache.catalina.startup.Catalina.start(Catalina.java:772) ~[catalina.jar:9.0.56]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_252]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_252]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_252]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_252]
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345) ~[bootstrap.jar:9.0.56]
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476) ~[bootstrap.jar:9.0.56]
Caused by: java.lang.NullPointerException
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.registerHandlerMethod(AbstractHandlerMethodMapping.java) ~[spring-webmvc-5.3.17.jar:5.3.17]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod(RequestMappingHandlerMapping.java:420) ~[spring-webmvc-5.3.17.jar:5.3.17]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod(RequestMappingHandlerMapping.java:76) ~[spring-webmvc-5.3.17.jar:5.3.17]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lambda$detectHandlerMethods$2(AbstractHandlerMethodMapping.java:299) ~[spring-webmvc-5.3.17.jar:5.3.17]
at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) ~[?:1.8.0_252]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.detectHandlerMethods(AbstractHandlerMethodMapping.java:297) ~[spring-webmvc-5.3.17.jar:5.3.17]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.processCandidateBean(AbstractHandlerMethodMapping.java:266) ~[spring-webmvc-5.3.17.jar:5.3.17]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethodMapping.java:225) ~[spring-webmvc-5.3.17.jar:5.3.17]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethodMapping.java:213) ~[spring-webmvc-5.3.17.jar:5.3.17]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandlerMapping.java:205) ~[spring-webmvc-5.3.17.jar:5.3.17]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) ~[spring-beans-5.3.17.jar:5.3.17]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ~[spring-beans-5.3.17.jar:5.3.17]
我遇到了一个与您类似的问题，我的spring-webmvc.jar版本是5.3.18。你认真思考过这个问题吗
org.springframework.beans.factory.BeanCreationException：创建在org.springfframework.boot.autoconfig.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration:init方法调用失败；嵌套异常为java.lang.NullPointerException，位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804)~[spring-beans-5.3.18.jar！/：5.3.18]网址：org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620)~[spring-beans-5.3.18.jar！/：5.3.18]网址：org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)~[spring-beans-5.3.18.jar！/：5.3.18]在org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)~[spring-beans-5.3.18.jar！/：5.3.18]位于org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)~[spring-beans-5.3.18.jar！/：5.3.18]网址：org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)~[spring-beans-5.3.18.jar！/：5.3.18]网址：org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory:java:208)~[spring-beans-5.3.18.jar！/：5.3.18]位于org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java：953)~[spring-beans-5.3.18.jar！/：5.3.18]位于org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918)~[spring-context-5.3.18.jar！/：5.3.18]网址：org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)~[spring-context-5.3.18.jar！/：5.3.18]位于org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplication context.java:145)~[spring-boot-2.6.6.jar！/：2.6.6]网址：org.springframework.boot.SpringApplication.refresh(SpringApplication.java:740)[spring-boot-2.6.6.jar！/：2.6.6]网址：org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:415)[spring-boot-2.6.6.jar！/：2.6.6]网址：org.springframework.boot.SpringApplication.run(SpringApplication.java:303)[spring-boot-2.6.6.jar！/：2.6.6]网址：org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuildr.java:164)[spring-boot-2.6.6.jar！/：2.6.6]网址：com.huawei.devcloud.octopusjoblogs.Application.main(Application.java:23)[classes！/：？]在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)~[？：1.8.0_212]在sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)~[？：1.8.0_212]在sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)~[？：1.8.0_212]位于java.lang.reflect.Method.ioke(Method.java：498)~[？：1.8.0_212]网址：org.springframework.bootloader.MainMethodRunner.run(MainMethodRunner.java:49)[OtompusJobLogs.jar:？]网址：org.springframework.bootloader.Launcher.launch(Launcher.java:108)[OtompusJobLogs.jar:？]网址：org.springframework.bootloader.Launcher.launch(Launcher.java:58)[OtompusJobLogs.jar:？]网址：org.springframework.bootloader.JarLauncher.main(JarLauncher.java:88)[OtompusJobLogs.jar:？]由java.lang.NullPointerException引起在org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.registerHandlerMethod(AbstractHandlerMethod Mapping.java)~[spring-webmvc-5.3.18.jar！/：5.3.18]在org.springframework.web-servlet.mvc.method.annotation.RequestMappingHandlerMapping.register HandlerMethod位于org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod(RequestMappingHandler Mapping.java:76)~[spring-webmvc-5.3.18.jar！/：5.3.18]位于org.springframework.web.servlet.handler.AbstractHandlerMethodMappingLambda$detectHandlerMethods$2(AbstractHandlerMethod Mapping.java:299)~[spring-webmvc-5.3.18.jar！/：5.3.18]位于java.util.LinkedHashMap.forEach(LinkedHashMap.java:684)~[？：1.8.0_212]网址：org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.detectHandlerMethods(AbstractHandlerMethod Mapping.java:297)~[spring-webmvc-5.3.18.jar！/：5.3.18]网址：org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.processCandidateBean(AbstractHandlerMethod Mapping.java:266)~[spring-webmvc-5.3.18.jar！/：5.3.18]网址：org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethod Mapping.java:225)~[spring-webmvc-5.3.18.jar！/：5.3.18]网址：org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethod Mapping.java:213)~[spring-webmvc-5.3.18.jar！/：5.3.18]位于org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandler Mapping.java:205)~[spring-webmvc-5.3.18.jar！/：5.3.18]网址：org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863)~[spring-beans-5.3.18.jar！/：5.3.18]网址：org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800)~[spring-beans-5.3.18.jar！/：5.3.18]…还有23个