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1   // ========================================================================
2   // Copyright (c) 2004-2009 Mort Bay Consulting Pty. Ltd.
3   // ------------------------------------------------------------------------
4   // All rights reserved. This program and the accompanying materials
5   // are made available under the terms of the Eclipse Public License v1.0
6   // and Apache License v2.0 which accompanies this distribution.
7   // The Eclipse Public License is available at 
8   // http://www.eclipse.org/legal/epl-v10.html
9   // The Apache License v2.0 is available at
10  // http://www.opensource.org/licenses/apache2.0.php
11  // You may elect to redistribute this code under either of these licenses. 
12  // ========================================================================
13  
14  package org.eclipse.jetty.servlet;
15  
16  import java.io.IOException;
17  
18  import javax.servlet.ServletException;
19  import javax.servlet.http.HttpServlet;
20  import javax.servlet.http.HttpServletRequest;
21  import javax.servlet.http.HttpServletResponse;
22  
23  public class NoJspServlet extends HttpServlet
24  {
25      private boolean _warned;
26      
27      /* ------------------------------------------------------------ */
28      /* 
29       * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
30       */
31      protected void doGet(HttpServletRequest req, HttpServletResponse response) throws ServletException, IOException
32      {
33          if (!_warned)
34              getServletContext().log("No JSP support.  Check that JSP jars are in lib/jsp and that the JSP option has been specified to start.jar");
35          _warned=true;
36  
37          response.sendError(500,"JSP support not configured");
38      }
39  
40  }