title: how to solve core_rt tag lib issues in liferay tab?
body: <p>i have got the following error while working with tabs concept in view.jsp:
  The absolute uri: <a href="http://java.sun.com/jstl/core_rt" rel="nofollow">http://java.sun.com/jstl/core_rt</a> cannot be resolved in either web.xml or the jar files deployed with this application while using jstl. i have added the jar file jstl-1.2.jar file. the following is my view.jsp: can any one help me for correct code?</p>
  
  <pre><code>&lt;%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %&gt;
  &lt;%@ taglib uri="http://liferay.com/tld/portlet" prefix="liferay-portlet" %&gt;
  &lt;%@ taglib uri="http://liferay.com/tld/theme" prefix="liferay-theme" %&gt;
  &lt;%@ taglib uri="http://liferay.com/tld/ui" prefix="liferay-ui" %&gt;
  &lt;%@ taglib uri="http://java.sun.com/jstl/core_rt" prefix="c" %&gt;
  &lt;%@page import="com.liferay.portal.security.permission.*" %&gt;
  &lt;%@page import="com.liferay.portal.kernel.util.ParamUtil" %&gt;
  &lt;%@page import="com.liferay.portal.theme.*" %&gt;
  &lt;%@page import="java.util.ArrayList"%&gt;
  &lt;%@page import="java.util.List"%&gt;
  
  
  //A renderURL is created because we need to render a jsp page you need to use //renderURL we can also  pass parameters if required
  
  &lt;%
  //We must Specify a default value for tabs. In this example it is sunday. Else it //will throw an error.
  String tabValue = ParamUtil.getString(request, "tab", "sunday");
  String tabsURL = "/html/tab" + tabValue.trim() + ".jsp";
  String tabNames="Sunday,Monday,Tuesday" ;
  String tabVal="sunday,monday,tuesday" ;
  %&gt;
  
  &lt;liferay-ui:tabs
  names="&lt;%=tabNames%&gt;"
  tabsValues="&lt;%=tabVal%&gt;"
  param="tab"
  url="&lt;%= portletURL %&gt;"
  /&gt;
  </code></pre>