Question

JSP 文件上传问题，在这句出错 su.upload();

exceptionorg.apache.jasper.JasperException: An exception occurred processing JSP page /register/DC_registerSave.jsp at line 51

48: // 4.设定禁止上传的文件（通过扩展名限制）,禁止上传带有exe,bat,jsp,htm,html扩展名的文件和没有扩展名的文件。
49: // su.setDeniedFilesList("exe,bat,jsp,htm,html,,");
50: // 上传文件
51: su.upload();
52: // 将上传文件全部保存到指定目录
53: int count = su.save("/upload");
54: out.println(count+"个文件上传成功！<br>");

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:524)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:435)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
servlet.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:26)
root causejava.lang.NegativeArraySizeException
com.jspsmart.upload.SmartUpload.upload(SmartUpload.java:218)
org.apache.jsp.register.DC_005fregisterSave_jsp._jspService(DC_005fregisterSave_jsp.java:120)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
servlet.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:26)

Answer 1

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