Question

jsp中实现文件上传报错

type Exception report
message
descriptionThe server encountered an internal error () that prevented it from fulfilling this request.
exceptionorg.apache.jasper.JasperException: Exception in JSP: /do_upload.jsp:10

7: <p align="center">
8: <%
9: // 新建一个SmartUpload对象
10: SmartUpload su = new SmartUpload();
11: // 上传初始化
12: su.initialize(pageContext);
13:

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:467)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:371)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
root causejavax.servlet.ServletException: javax/servlet/ServletRequest
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:846)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
org.apache.jsp.do_005fupload_jsp._jspService(do_005fupload_jsp.java:96)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

Answer 1

你<form>标记是不是写错了？

<form enctype="multipart/form-data">
有后面这个属性吗？

Answer 2

感觉你好像是没导包的问题吧？建议下载一个servlet包试试

Answer 3

是不是jar包问题