Error creating bean with name 'org.springframework.http.converter.json.MappingJackson2HttpMessageConverter#0': Lookup method resolution failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.springframework.http.converter.json.MappingJackson2HttpMessageConverter] from ClassLoader [WebappClassLoader
context: studentInfo_manager
delegate: false
----------> Parent Classloader:
java.net.URLClassLoader@3fee733d
]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:481)
at org.springframework.util.ReflectionUtils.doWithLocalMethods(ReflectionUtils.java:321)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:267)
... 38 more
**Caused by: java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/util/DefaultPretty**Printer$Indenter
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.getDeclaredMethods(Class.java:1975)
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:463)
... 40 more
**Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.core.util.DefaultPrettyPrinter**$Indenter
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1332)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1166)
... 44 more
百度了好多,说是由于spring与json版本号冲突,找不到com/fasterxml/jackson/core/util/DefaultPrett类,
我看了一下包中有这个类
这个是我的spring、json版本号
配置信息如下:
这个怎么解决呀?