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Editorial Team
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Asked: 2026-06-08T23:27:05+00:00

I have a jsp-page <%@page import=org.springframework.web.servlet.ModelAndView%> <%@page import=mvc3.helpers.Utils%> <%@ page language=java contentType=text/html; charset=UTF-8 pageEncoding=UTF-8%>

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I have a jsp-page

<%@page import="org.springframework.web.servlet.ModelAndView"%>
  <%@page import="mvc3.helpers.Utils"%>
  <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
  <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
  <%@ page session="false" %>
  <html>
  <head>
      <title>View Topic</title>
  </head>
  <body>

  <fieldset>
       <legend>${topic.getName()}</legend>
       <div class="display-label-field"><b>Content:</b>${topic.getText()}</div>
       <div class="display-label-field"><b>Comments count:</b>${topic.getCommentsCount()}</div>
       <div class="display-label-field"><b>Last time updated:</b>${topic.getTimeLastUpdated()}</div>

  </fieldset>

  <p>
    <%=Utils.actionLink("Comment Topic", "Topic", "AddComment", Integer.toString( topic.getId() ) ) %>
    <%=Utils.actionLink("Back to Topic List", "", "home", null)%>
  </p>

The problem is, that ${topic.getName()} works fine, but <%=Utils.actionLink(“Comment Topic”, “Topic”, “AddComment”, Integer.toString( topic.getId() ) ) %> causes the topic cannot be resolved error. How can I deal with this issue?

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1 Answer

  1. Editorial Team

    If you have set attribute topic in request then do 

    Integer.toString( ((Topic)request.getAttribute("topic")).getId())
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