Why my file-upload code is not working?
I am using "commons-fileupload-1.1.1.jar".
Also I am seeing a strikethrough in the 2nd Line on "isMultipartContent" in NetBeans 6.1.
// Check that we have a file upload request
>>>> boolean isMultipart = FileUpload.isMultipartContent(request);
// Create variables for path, filename and extension
appPath = application.getRealPath("\\");
// Create a factory for disk-based file items
FileItemFactory factory = new DiskFileItemFactory();
// Create a new file upload handler
ServletFileUpload upload = new ServletFileUpload(factory);
// Parse the request and Extract request items
>>>>> List items = upload.parseRequest(request);
// create an Iterator to iterate through request items
Iterator iter = items.iterator();
//Form fields
//out.println("<br><br>While loop started");
while (iter.hasNext())
{
FileItem item = (FileItem) iter.next();
if(item.isFormField())
{
String name = item.getFieldName();
String value = item.getString();
if(name.equals("txtUsername"))
{
_USERNAME_ = value;
Class.forName("org.gjt.mm.mysql.Driver");
try
{
connection = DriverManager.getConnection("jdbc:mysql://localhost/ict");
statement = connection.createStatement();
recordset = statement.executeQuery("SELECT * FROM registered_students WHERE username=\'" + _USERNAME_ + "\'");
while(recordset.next())
{
roll = recordset.getString(4);
_ROLL_ = roll;
}
recordset.close();
recordset=null;
statement.close();
statement=null;
}
finally
{
if(connection!=null)
{
connection.close();
}
}
}
}
}
And I am getting this message:
org.apache.jasper.JasperException: An exception occurred processing JSP page /Process_FileUpload.jsp at line 75
73:
74: // Parse the request and Extract request items
75: List items = upload.parseRequest(request);
76:
77:
78: // create an Iterator to iterate through request items
79: Iterator iter = items.iterator();
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:398)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
root cause
javax.servlet.ServletException: java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:850)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
org.apache.jsp.Process_005fFileUpload_jsp._jspService(Process_005fFileUpload_jsp.java:546)
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:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
root cause
java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream
org.apache.commons.fileupload.disk.DiskFileItemFactory.createItem(DiskFileItemFactory.java:179)
org.apache.commons.fileupload.FileUploadBase.createItem(FileUploadBase.java:500)
org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:367)
org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:116)
org.apache.jsp.Process_005fFileUpload_jsp._jspService(Process_005fFileUpload_jsp.java:138)
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:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.16 logs.