问题现象

org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcatat org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:137) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:536) ~[spring-context-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.SpringApplication.run(SpringApplication.java:314) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at startdemo.StartdemoApplication.main(StartdemoApplication.java:15) [classes/:na]
Caused by: org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcatat org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:123) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.<init>(TomcatEmbeddedServletContainer.java:84) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getTomcatEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:554) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:179) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:164) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:134) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]... 8 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'httpPutFormContentFilter' defined in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.web.filter.OrderedHttpPutFormContentFilter]: Factory method 'httpPutFormContentFilter' threw exception; nested exception is java.lang.NoClassDefFoundError: Could not initialize class com.fasterxml.jackson.databind.ObjectMapperat org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.boot.web.servlet.ServletContextInitializerBeans.getOrderedBeansOfType(ServletContextInitializerBeans.java:234) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addAsRegistrationBean(ServletContextInitializerBeans.java:182) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addAsRegistrationBean(ServletContextInitializerBeans.java:177) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addAdaptableBeans(ServletContextInitializerBeans.java:159) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.web.servlet.ServletContextInitializerBeans.<init>(ServletContextInitializerBeans.java:80) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.getServletContextInitializerBeans(EmbeddedWebApplicationContext.java:241) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.selfInitialize(EmbeddedWebApplicationContext.java:228) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.access$000(EmbeddedWebApplicationContext.java:89) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext$1.onStartup(EmbeddedWebApplicationContext.java:213) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.context.embedded.tomcat.TomcatStarter.onStartup(TomcatStarter.java:55) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5196) ~[tomcat-embed-core-8.5.14.jar:8.5.14]at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ~[tomcat-embed-core-8.5.14.jar:8.5.14]at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419) ~[tomcat-embed-core-8.5.14.jar:8.5.14]at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409) ~[tomcat-embed-core-8.5.14.jar:8.5.14]at java.util.concurrent.FutureTask.run(Unknown Source) ~[na:1.8.0_121]at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) ~[na:1.8.0_121]at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) ~[na:1.8.0_121]at java.lang.Thread.run(Unknown Source) ~[na:1.8.0_121]
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.web.filter.OrderedHttpPutFormContentFilter]: Factory method 'httpPutFormContentFilter' threw exception; nested exception is java.lang.NoClassDefFoundError: Could not initialize class com.fasterxml.jackson.databind.ObjectMapperat org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]... 26 common frames omitted
Caused by: java.lang.NoClassDefFoundError: Could not initialize class com.fasterxml.jackson.databind.ObjectMapperat org.springframework.http.converter.json.Jackson2ObjectMapperBuilder.build(Jackson2ObjectMapperBuilder.java:588) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.http.converter.json.MappingJackson2HttpMessageConverter.<init>(MappingJackson2HttpMessageConverter.java:57) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter.<init>(AllEncompassingFormHttpMessageConverter.java:61) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.web.filter.HttpPutFormContentFilter.<init>(HttpPutFormContentFilter.java:63) ~[spring-web-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.boot.web.filter.OrderedHttpPutFormContentFilter.<init>(OrderedHttpPutFormContentFilter.java:29) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration.httpPutFormContentFilter(WebMvcAutoConfiguration.java:166) ~[spring-boot-autoconfigure-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$$EnhancerBySpringCGLIB$$29ab2425.CGLIB$httpPutFormContentFilter$1(<generated>) ~[spring-boot-autoconfigure-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$$EnhancerBySpringCGLIB$$29ab2425$$FastClassBySpringCGLIB$$1c9d1ecb.invoke(<generated>) ~[spring-boot-autoconfigure-1.5.3.RELEASE.jar:1.5.3.RELEASE]at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228) ~[spring-core-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:358) ~[spring-context-4.3.8.RELEASE.jar:4.3.8.RELEASE]at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$$EnhancerBySpringCGLIB$$29ab2425.httpPutFormContentFilter(<generated>) ~[spring-boot-autoconfigure-1.5.3.RELEASE.jar:1.5.3.RELEASE]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121]at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_121]at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_121]at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_121]at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE]... 27 common frames omitted

解决方法

更改pom文件的配置

<dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><exclusions><exclusion><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-annotations</artifactId></exclusion></exclusions>
</dependency>
<dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-annotations</artifactId><version>2.9.0</version>
</dependency>