java.lang.ClassNotFoundException: com.fasterxml.jackson.core.util.DefaultPrettyPrinter$Indenter

最新推荐文章于 2020-09-21 17:18:22 发布

原创最新推荐文章于 2020-09-21 17:18:22 发布 · 1.2k 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#java.lang.ClassNotFoundExcepti

L01-常见问题专栏收录该内容

58 篇文章

订阅专栏

本文分析了Spring MVC配置中因未正确引入依赖jar包导致的MappingJackson2HttpMessageConverter创建失败的问题，提供了详细的错误信息及解决方案。

报错信息:
[2018-12-28 10:37:56,309]:ERROR DispatcherServlet:502 - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter#0' defined in ServletContext resource [/WEB-INF/config/mvc/dispatcher-servlet.xml]: Cannot create inner bean 'org.springframework.http.converter.json.MappingJackson2HttpMessageConverter#70d332f4' of type [org.springframework.http.converter.json.MappingJackson2HttpMessageConverter] while setting bean property 'messageConverters' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.http.converter.json.MappingJackson2HttpMessageConverter#70d332f4': Failed to introspect bean class [org.springframework.http.converter.json.MappingJackson2HttpMessageConverter] for lookup method metadata: could not find class that it depends on; nested exception is java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/util/DefaultPrettyPrinter$Indenter
   at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:313)
   at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122)
   at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:382)
   at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:157)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1531)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1276)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
   at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
   at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
   at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
   at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
   at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
   at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
   at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
   at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
   at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634)
   at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682)
   at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553)
   at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
   at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:171)
   at javax.servlet.GenericServlet.init(GenericServlet.java:158)
   at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1269)
   at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1182)
   at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1072)
   at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5368)
   at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5660)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
   at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)
   at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
   at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
   at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1260)
   at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2002)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
   at java.util.concurrent.FutureTask.run(FutureTask.java:262)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
   at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.http.converter.json.MappingJackson2HttpMessageConverter#70d332f4': Failed to introspect bean class [org.springframework.http.converter.json.MappingJackson2HttpMessageConverter] for lookup method metadata: could not find class that it depends on; nested exception is java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/util/DefaultPrettyPrinter$Indenter
   at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:269)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1118)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1091)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
   at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:299)
   ... 37 more
Caused by: java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/util/DefaultPrettyPrinter$Indenter
   at java.lang.Class.getDeclaredMethods0(Native Method)
   at java.lang.Class.privateGetDeclaredMethods(Class.java:2531)
   at java.lang.Class.getDeclaredMethods(Class.java:1855)
   at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:613)
   at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:524)
   at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:510)
   at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:247)
   ... 42 more
Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.core.util.DefaultPrettyPrinter$Indenter
   at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1892)
   at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
   ... 49 more

分析:
java.lang.ClassNotFoundException: com.fasterxml.jackson.core.util.DefaultPrettyPrinter$Indenter
在配置springMVC配置文件中有配置MappingJackson2HttpMessageConverter,此类需要配置json相关的依赖jar包。

以上,TKS.