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  • Caused by: java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileItemFactory

    Caused by: java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileItemFactory
        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:262)
        at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:136)
        at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:66)
        at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:328)
        at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:778)
        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:5087)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        ... 10 more
    Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.FileItemFactory
        at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1285)
        at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119)
        ... 23 more

    解决方法:

    1  引用  commons-io  和 commons-fileupload

    2  把新用的jar包放入部署后的 lib下面

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  • 原文地址:https://www.cnblogs.com/emanlee/p/14044056.html
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