java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileItemFactory

SpringMVC 上传文件

<dependency>
    <groupId>commons-io</groupId>
    <artifactId>commons-io</artifactId>
    <version>1.3.2</version>
</dependency>
<dependency>
    <groupId>commons-fileupload</groupId>
    <artifactId>commons-fileupload</artifactId>
    <version>1.2.1</version>
</dependency>

参考资料：

1、SpringMVC 上传报错：java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileItemFactory

2、java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileItemFactory

https://stackoverflow.com/questions/5166898/java-lang-noclassdeffounderror-org-apache-commons-fileupload-fileitemfactory