java code for JSTL SQL Update

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

url="jdbc:mysql://localhost/forum?user=forumuser"
scope="session" />













value="select * from tableName" />



Please enter a query:

<br /><c:out value="${str}" /><br />

sql="${param.cmd}" />


varStatus="status">
type="javax.servlet.jsp.jstl.core.LoopTagStatus" />

Error