Struts的HTML:FILE标签上传问题

type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception java.io.FileNotFoundException: C:\Tomcat\webapps\htmltaglibs\upload (拒绝访问。)
java.io.FileOutputStream.open(Native Method)
java.io.FileOutputStream.<init>(FileOutputStream.java:179)
java.io.FileOutputStream.<init>(FileOutputStream.java:70)
htmltaglibs.actions.HtmlFileAction.execute(HtmlFileAction.java:52)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1158)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
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