java - ssm整合 啟動(dòng)表現(xiàn)層報(bào)錯(cuò)。。。
問(wèn)題描述
信息: Initializing Spring FrameworkServlet ’tour-manager’五月 17, 2017 4:50:50 下午 org.apache.catalina.core.ApplicationContext log嚴(yán)重: StandardWrapper.Throwableorg.springframework.beans.factory.BeanCreationException: Error creating bean with name ’org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter’: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/util/DefaultIndenter
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1105)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1050)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)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)
問(wèn)題解答
回答1：從報(bào)錯(cuò)信息看是 項(xiàng)目中沒(méi)引入 https://mvnrepository.com/art... 這個(gè)庫(kù)你項(xiàng)目是用maven管理依賴嗎？ 先把這個(gè)依賴加上去看看
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