idea启动web项目tomcat报错：java.lang.NoClassDefFoundError: org/apache/commons/beanutils

[伪墨]

之前lib目录下是commons-beanutils-1.8.0.jar版本，现在导入了commons-beanutils-1.8.3.jar包还是一样报错。


Caused by: java.lang.NoClassDefFoundError: org/apache/commons/beanutils/Converter
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2583)
at java.lang.Class.getDeclaredFields(Class.java:1916)
at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:110)
at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:269)
at org.apache.catalina.startup.WebAnnotationSet.loadApplicationListenerAnnotations(WebAnnotationSet.java:89)
at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:67)
at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:328)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:772)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5176)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

[freekaiQaQ]

tomcat 容器里 编译后的项目lib目录下有那个jar包么？ 没有的话，clean一下项目，重新部署看看