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Editorial Team
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Asked: 2026-05-25T20:16:22+00:00

I have a problem sending special characters like cyrillic or umlauts from a jsp

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I have a problem sending special characters like cyrillic or umlauts from a jsp to a servlet.
I would greatly appreciate your help here.

Here is what I have done:

  1. Defined the utf-8 charset in the jsp:

    <%@ page language="java" contentType="text/html; charset=utf-8" 
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=utf-8" />
 ...

<div class="authentication">
  <form name="registerForm" action="register" method="get" accept-charset="UTF-8">
    <input type="input" name="newUser" size="17"/>
    <input type="submit" value="senden" />
  </form>
</div>
 ...

  2. Set Tomcat URIEncoding for Connector, in the server.xml

    <Connector URIEncoding="UTF-8" ...

  3. Inside the servlet – set the CharacterEncoding to UTF and read request

    public void doGet (HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException{

request.setCharacterEncoding("UTF-8");
String username = request.getParameter("newUser");
System.out.println("encoding: "+request.getCharacterEncoding());

System.out.println("received: "+username);

  4. Here is what gets displayed when using for example: Однако

    encoding: UTF-8
received: ??????

Am I missing something ? I suppose the servlet can not decode the String properly, but I have no idea why is this happening. I’ve followed all the advises on this topic but had no luck.

thanks in advance.

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1 Answer

  1. Editorial Team

    Everything looks fine. Only the System.out.println() console also needs to be configured to interpret the byte stream as UTF-8.

    If you’re sitting in an IDE like Eclipse, then you can do that by setting Window > Preferences > General > Workspace > Text File Encoding to UTF-8. For other environments, you should be more specific about that so that we can tell how to configure it.

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