jackson.annotation.jar 已经导入，为什么还报错

Question

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter#0': 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/annotation/JsonInclude$Value_

Answer 1

bean实例化异常、构造方法有问题、 maven里是否有个这个jar包或者换个版本的jar包