Describe JSP file uploading using Apache Commons FileUpload.

JSP file uploading can be achieved using Apache Commons FileUpload library. The steps involved include:

• Include the Apache Commons FileUpload library in the project.
• Create a <form> in the JSP page with an input field of type “file” for selecting the file to upload.
• In the server-side JSP code, use the FileUpload library to parse the request and retrieve the uploaded file.
• Process the uploaded file as required, such as saving it to a specific location or performing further validation or processing.
• Handle any errors or exceptions that may occur during the file upload process.