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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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how use RequestDispatcher foward keeping url requested?

I have a JSP page to search customers. This page calls the controller, which execute a method to return a list of customers and after forward to the origin URL; I used to forward : request.getRequestDispatcher(urlOrigin).forward(request,…
Felipe Cavalcante Miranda
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different url after calling a servlet

I have A servlet that does some stuff, when it has done puts some things in the request and after calls another servlet which in turn calls a jsp page. I write the code: first servlet (InserisciLezione) …
Martina
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How do I convert a response from a servlet to a String?

Sorry to bust up your day with this, but I’ve spent ages trawling the web for an answer and I’m completely stuck! In a web app, I’m using RequestDispatcher to send a request from servlet_A to servlet_B. In servlet_B, I run some code which generates…
Jenny_Goodwin
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How to pass JSP variables to servlet?

I am trying to pass two values from my JSP page to servlet using request dispatcher. Here is the JSP code: <% String companyName = (String) request .getAttribute("adminCompnayName"); String tenantId =…
KhAn SaAb
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Call servlets doGet() method with RequestDispatcher

How is it possible to call doGet() method from RequestDispatcher? RequestDispatcher rd = sc.getRequestDispatcher("/CartServlet"); rd.forward(request, response); This code calls doPost() as the default action.
gkiko
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JSP: Why do we need RequestDispatcher?

I'm still puzzled on the usage of a RequestDispatcher. If i have a javascript file which internally using a url to call a servlet as shown below: var url =…
yapkm01
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Spring Boot Error getOutputStream() has already been called for this response after forward

I am currently developing a Spring Boot App. I implemented Spring Boot security for httpBasic authentication. When authentication was successful, my custom Filter Method gehts called. protected void…
FishingIsLife
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Cannot resolve controller URL from JSP

In my JSP form, environment can recognize controller's existence (it offers me autocomplete to it's path), but I cannot reach my controller. It might be because of configurations aren't set well, but all solutions here are configured using xml. This…
nemanjagajic
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why we should not use request dispatcher in dopost?

I was working with servlet jsp code. I added one record from jsp to database. To show the inserted record I used requestdispacther. But records keep on adding( like infinite loop). then I replace code with sendredirect and worked fine. insted of…
chaitanya anpat
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How to get the parameter from Servlet to Html page?

I am try to save a Text as Attribute in servlet and forward it to a HTML page.Then need to show it in Html page body. Help me to send the data as response to HTML.then help to show the value in HTML page. In JSP is working fine.but i need…
Sriram S
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Forwarding a request from one servlet to another using Request dispatcher

I was trying to create a cookie in one servlet , add it to response() and forwarded it to another servlet using DisaptcherServlet and tried to retrive the cookie using request.getCookies(). But this always coming out to be null. //Servlet one…
juniorDeveloper
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JSP Servlet Combination

I have JSP page named SearchBoxNew.jsp which i added under Welcome-File tag of Web.xml This page basically has one search box in which when i type something and hit enter i will call another Servlet "SolrServlet1.java", this basically query some…
AVINASH
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A java class method can call another java class method. Then why do you need RequestDispatcher?

Servlets are java classes. A java class method can call another java class method. Then why do you need RequestDispatcher?
Paul S
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java dispatcher.forward throw null exception

I got the following error HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException:…
Mzq
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When I'm using RequestDispatcher and using forward to send my my request and response to a new servlet I'm getting error

When I'm running this program on the server I'm getting multiple errors. Added the XML code too, I think something is wrong with that.
Shlok Sharma
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