Hi I have todo an Image upload with Preview and I am using a jsp and servlet for it. I am stuck at a point and not getting a way out.
my JSP page looks like: <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <script src="jquery-1.2.6.js" type="text/javascript"></script> <script type="text/javascript"> function submitImage() { $.post("UploadFileServlet2", {func: "doPost"}, function (data) { if(!data) { return; } var response; eval ("response = " + data); if (!response) return; }, "json"); if(response['imagepath'] != undefined) { var imageurl = response['imagepath']; $('imagediv').css("display", "block"); $('<img/>').attr('src', imageurl).appendTo($ ('#imagediv')); } else { alert("Unable to upload"); } } </script> </head> <body> <form action="UploadFileServlet2" method="POST" enctype="multipart/form-data" onsubmit="submitImage();return false;" id="testForm"> <input type="file" name="testFile"><br> <input type="submit" id="uploadButton" value="Upload" > </form> <div class="restart"><a href="UploadFileServlet1?redo=1">Redo It</a></div> <div class="imagediv" style="display: none"> </div> </body> My servlet looks like: protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); try{ ServletFileUpload servletFileUpload = new ServletFileUpload (new DiskFileItemFactory()); List fileItemsList = servletFileUpload.parseRequest (request); Iterator it = fileItemsList.iterator(); FileItem fileItem = null; FileItem fileItemUpload = null; String dirName = null; String box = null, fieldName = null; File saveTo = null; String fileName = null; long size = 0; //Read all parameter name & value ,Here Request is in multipart while (it.hasNext()) { fileItem = (FileItem) it.next(); if(fileItem.isFormField()) { String param = fileItem.getFieldName(); if(param.equalsIgnoreCase("box")) { box = fileItem.getString().trim(); } } else { fieldName = fileItem.getFieldName(); if (fieldName.equalsIgnoreCase("testFile")) { fileItemUpload = fileItem; } dirName = "/home/amit/NetBeansProjects/pics/"; fileName = fileItem.getName(); completeFileName = dirName + fileName; saveTo = new File(completeFileName); size = fileItem.getSize()/1024; try { fileItem.write(saveTo); } catch(Exception ex) { } } //String box = request.getParameter("box"); //out.println("The written box is "+box+"<br/>"); //out.println(" Fd. Name: "+fileItemUpload.getFieldName() +" name: "+fileItem.getName()+" file string: "+fileItem.getString()+" fieldname: "+fieldName); } JSONObject obj = new JSONObject(); obj.put("imagepath", completeFileName); out.println(obj.toString()); out.flush(); } catch(Exception ex) { } } I am unable to view the image. The control flows to servlet and gets stuck there. It does not move back to jsp. Please help, Thanks.