为什么坐标导入了还会出这个报错

Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.FileItemFactory

```java
 <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.1</version>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.3</version>
        </dependency>

这提示的是类找不到。org.apache.commons.fileupload.FileItemFactory路径有问题？
坐标导入是啥

这个依赖的jar包有没有被下载下来？