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Questions tagged [requestdispatcher]

The request dispatcher is used for receiving requests from the client and sending them to any resource (such as a servlet, HTML file, or JSP file) on the server.

The request dispatcher is used for receiving requests from the client and sending them to any resource (such as a servlet, HTML file, or JSP file) on the server. The most common approach is forward or include resource to the client.

The servlet container creates the RequestDispatcher object, which is used as a wrapper around a server resource located at a particular path or given by a particular name.

See RequestDispatcher API docs for details.

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css is not running while running requestDispatcher

i have a profile page and in that i have included a master page welcome.jsp . when i go to the profile page the CSS for the welcome page template is running fine but as i update the user, the user is updated correctly and requestDispatcher is…
amol singh
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How to get the model value from a method which has been included by previous method

I am using spring MVC I have a method @RequestMapping(value = "/firstMethod/getDetails", method = RequestMethod.GET) @ResponseBody public Map getFirstMethodDetails(HttpServletRequest request, HttpServletResponse response)…
Kashif Imran
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I need to create a system where user can login and logout. I am using netbeans and MYSQL database and GlassFish server 4.0

I know it is a simple task but don't able to find out what is the problem. I made one login.jsp which is starting page. LoginAction.jsp which will validate the user I think there is some problem with ReqestDispatcher. I am trying to find out…
Aditya Lodha
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RequestDispatcher for an input form

I have this search form. String search = request.getParameter("search"); if (search != null) { …
yemerra
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GetRequestDispatcher.forward is sending me through doGet again

I have a servlet with doGet overridden. The relevant pieces would be: // called from doGet(req,res) private void serviceInternal(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { …
corsiKa
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Why use requestDispatcher to pass request instead of just storing in session?

As in the title, is there a reason we use requestDispatcher forward() method to pass around the requestScope object? Isn't it also doable by utilizing sessionScope and sendRedirect() method from response object? Can you please give some samples of…
bloodfire1004
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RequestDispatcher.include is working only once

I am trying to output the rendering of a JSP page using RequestDispatcher.include() in the following method: public static String readTemplate(HttpServletRequest request, HttpServletResponse response, String template) { …
Fabrizio Prosperi
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Servlet - requestDispatcher.forward java.lang.NullPointerException

I'm doing a web server as a part of an online shop application, and I'm trying to make a form jsp page work. I'm using Eclipse IDE with Maven, and Jetty plugin to try it. It goes like this: From the index.jsp welcome page the user press a button…
Julio Castedo
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Refreshing a JSP form resubmits the data

I have a jsp page called patient.jsp with a Form which is a pop-up. This form is submitted using post method. Once this form reached the servlet, something like below take place. request.setAttribute("id",id); RequestDispatcher dispatch =…
PeakGen
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DispatcherPortlet is not collecting data about controllers

i have developed an easy portlet in Liferay. Ive used the Spring MVC template. On my local development (LF 6.2 GA2) the dispatching between "sites" is working. After deployment on the server LF (LF 6.2 GA1) the dispatcher is not dispatching any…
Erik Bors
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Cannot redirect when the script is include by RequestDispatcher

I am having problem with redirect in jsp , the page just remains and doesn't throw any error. I am able to do redirect when I direct write the script in my login.jsp like <% String redirectURL =…
Leon Armstrong
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Unable to include a JSP file

I am trying to check for a file exists and then include the JSP file if true. But I am getting errors from below code. Syntax error on tokens, delete these tokens file.handler cannot be resolved to a type Syntax error on token "=", . expected This…
Leon Armstrong
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Conditional use of RequestDispatcher to send the same Java object across multiple JSP pages

Please bear with me as I'm very new to JSP. I thank you in advance for your help; I greatly appreciate it. BACKGROUND I am trying to build a web application which "remembers" certain java objects throughout a user's login session. Currently, I have…
Alex Ander
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How can I forward a chart from my servlet to jp?

I've builded a servlet which make some Query to a database pick some information up and them forward it to the jsp page. Apart of this information, now I wanted to include, as a request, a chart which has been created in the servlet. Servlet code: …
Sallyerik
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how to avoid creating new session using window.open()?

window.open(url) is creating a new session. Is there any way to prevent window.open() from doing the same. I heard using servlet dispatcher instead of window.open(). we can avoid making new session but i have no idea how to use the dispatcher in…
Ashish Jagga
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