servlet中request的问题
<HTML>
<BODY BGCOLOR="white">
<H1>jspSmartUpload : Sample 4</H1>
<HR>
<FORM METHOD="POST" ACTION="/jspsmartupload/jsp/sample4.jsp" ENCTYPE="multipart/form-data">
<INPUT TYPE="FILE" NAME="FILE1" SIZE="50"><BR>
<INPUT TYPE="SUBMIT" VALUE="Upload">
</FORM>
</BODY>
</HTML>
submit后
java.lang.NoClassDefFoundError: javax/servlet/ServletRequest
怎么会找不到servletRequest呢?
谁遇到过这样的问题?????????