Problema com o out jstl

Estou iniciando com a linguagem JSP, e estou tendo problema com a manipulação de uma variável que é criada com a biblioteca JSTL (no trecho : " ") e logo após ao tentar imprimir esta variável ( ) é gerada a exception
Segue código abaixo:

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<% //String variavelteste = "conteudo"; %>

<!DOCTYPE html>
<html>
    <head>
        <link href="style_2.css" rel="stylesheet" type="text/css" />
        
        <!--[if IE]>
            <link rel="stylesheet" type="text/css" href="iehacks.css" />
        <![endif]-->
        
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>JSP Page</title>
    </head>
    <body>        
        
        <div id="topo">
            <div id="logo_brasil"></div> 
            
        </div>
        
        <div id="all">

               <c:set var= "test" value= "Session Level Value" scope= "page" /> 
            
                <c:out value= "${test}" /> 


            
            <div id="menu">
                <c:import url="menu.jsp"/>
            </div>                 
            
            <div id="conteudo_interno">
                
                <c:import url="incluirveiculo.jsp" />    
            </div>
        </div>
        
        <div id="rodape"></div>
        
    </body>
</html>

Erro retornado :
type Exception report

message An exception occurred processing JSP page /index.jsp at line 34

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 34

31:
32:
33:
34:
35:
36:
37:

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:568)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause

java.lang.ClassCastException: org.apache.jasper.runtime.ELContextImpl cannot be cast to org.apache.jasper.el.ELContextImpl
org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:983)
org.apache.jsp.index_jsp._jspx_meth_c_005fout_005f0(index_jsp.java:186)
org.apache.jsp.index_jsp._jspService(index_jsp.java:106)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.32 logs.

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