servlets

问题 I am dealing with two Eclipse Project. The former includes some Session Beans that I manage to deploy on Wildfly Servr. The Latter includes a Servlet I need to inject and use the bean. This is the structure of the projects containing the session bean. Projects is the session bean I want to use as Session Facade to interact with the Project JPA entity. This is the servlet Injecting the Session bean. ProjectsLocal is its Local interface. @EJB private ProjectsLocal projects; /** * @see

问题 This question already has answers here : Disabled form inputs do not appear in the request (8 answers) Closed 20 days ago . In my application,with the help of joining,I am showing the dynamic value in my jsp page like this : <% while(rs.next()){ %> <td><input type="checkbox" name="chkName" onclick="selectall()"></td> <td><input type="text" name="empId" value="<%= rs.getString(1)%> " disabled="disabled" maxlength="10"></td> <td><input type="text" name="device" value="<%= rs.getString(2)%>"

问题 I am trying to pass the parameter called value in the hidden input type to my servlet. It is like that: retour.append("<input type=\"hidden\" id=\"id_" + nomTab + "_" + compteur + "\" value=\"" + object.getIdDailyTimeSheet() + "\"/>"); retour.append("<button id=edit name=edit type=submit onClick= editarow()>"); retour.append("<img src=edit.gif />"); retour.append("</button>"); retour.append("</td>"); But the method get parameter recommend a name to be able to get the value here. So how can I

问题 I am trying to pass the parameter called value in the hidden input type to my servlet. It is like that: retour.append("<input type=\"hidden\" id=\"id_" + nomTab + "_" + compteur + "\" value=\"" + object.getIdDailyTimeSheet() + "\"/>"); retour.append("<button id=edit name=edit type=submit onClick= editarow()>"); retour.append("<img src=edit.gif />"); retour.append("</button>"); retour.append("</td>"); But the method get parameter recommend a name to be able to get the value here. So how can I

问题 I am trying to pass the parameter called value in the hidden input type to my servlet. It is like that: retour.append("<input type=\"hidden\" id=\"id_" + nomTab + "_" + compteur + "\" value=\"" + object.getIdDailyTimeSheet() + "\"/>"); retour.append("<button id=edit name=edit type=submit onClick= editarow()>"); retour.append("<img src=edit.gif />"); retour.append("</button>"); retour.append("</td>"); But the method get parameter recommend a name to be able to get the value here. So how can I

问题 I'm very new to backbone Js. I have gone through the documentation. I'm trying to create a sample aplication with servlet as the backend for saving models. I could not find any help for that. What i need is: is it possible to communicate with servlet? And if so, how to communicate with servlet? (some sample code) is router required to communicate with server? 回答1: Backbone is a client side framework. Its build to work with a RESTful backend. So all you need is a backend that can compute GET,

问题 I want to implement a chat application in android.In my application I want to upload a file on server so I am using this code for listening file request on server side. protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); // Create path components to save the file final String path = "/home/vibhor/vibhor"; final Part filePart = request.getPart("file"); final String

问题 I want to implement a chat application in android.In my application I want to upload a file on server so I am using this code for listening file request on server side. protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); // Create path components to save the file final String path = "/home/vibhor/vibhor"; final Part filePart = request.getPart("file"); final String

问题 Environment: Apache-tomcat-7.0.53, CentOS release 6.6 (Final), Java 1.8, Mongo 2.6 Design of our App We have most of the calls handled with normal servlets(traditional synchronous ones). We do have a 2 asynchronous servlets(servlet 3.0) which delegate their work to ThreadPoolExecutors(threads named http-async-workers). Problem: We have a database heavy application, but it was performing quite well until 3500ccu. But when we ramped up the CCU to 7000CCU, to measure the scalability factor, we

问题 I'm have problems linking my HTML and JSP. Just trying to make a simple html page to take a "email" and "password" then have the jsp display on the next page. But when i click submit the parameters dont get passed i just get "null", any ideas where im going wrong? HTML Page <html> <head> <title>Enter your email and password</title> </head> <body> <form action="form.jsp" method="get"> <table cellspacing="5" border="0"> <tr> <td align="right">Email:</td> <td><input type="text" email=email></td>