JSP DataBase Connection

In my JSP page i wrote this code for Retrieving and inserting in to the database,here retrieving works perfectly but when i am trying to insert to the database its not getting inserted can anyone please help me on this?

here is the code :

<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %>

<portlet:defineObjects />

<%@ page import="javax.portlet.PortletRequest"%>
<%@ page import="java.util.Map"%>
<%@ page import="java.sql.*" %>
<%@ page import="java.io.*" %>
<%@ page import="java.io.*" %>
<%@ page import="com.liferay.portal.theme.ThemeDisplay"%>
<%@ page import="com.liferay.portal.service.UserLocalServiceUtil"%>
<%@ page import="com.liferay.portal.model.User"%>
<%@ page import="com.liferay.portal.kernel.util.WebKeys"%>
<%@ page import="com.liferay.portal.model.Contact"%>
<%@ page import="com.liferay.portal.service.OrganizationLocalServiceUtil"%>
<%@ page import="java.util.List"%>
<%@ page import="com.liferay.portal.model.Organization"%>
<html>
<head>
<html>

<head>

<body >

<% ResultSet rs = null;%>
				<%

try 
						{
							String connectionURL = "jdbc:mysql://localhost/lportal";
							Connection connection = null;
							Statement statement = null;
							Class.forName("com.mysql.jdbc.Driver").newInstance();
							connection = DriverManager.getConnection(connectionURL,"root","root");
							statement = connection.createStatement();
							String QueryString = "SELECT * from CompanyQuery";
							rs = statement.executeQuery(QueryString);
						}
						catch(Exception e)
						{
							out.println("dataBase Error");
						}
				%>

<th width="20%" height="25px">
					<b>QueryId</b>
				</th>
				<th width="20%">
					<b>Queries</b>
				</th>	
				<th width="20%">
					<b>Date And Time</b>
				</th>
				
				<th width="20%">
					<b>Status</b>
				</th>

</tr>
		<%
			  }
		%>

</table>
<div id="query" style="visibility:hidden">

<form name="<portlet:namespace/>fm11" action="" method="post">
	<input type="hidden" name="<portlet:namespace/>action">

<p>QueryId</p><br/>
		<input type="text" name="<portlet:namespace/>queryId"/><br/>

<p>Answer</p>
		<input type="text" name="<portlet:namespace/>ans"/><br/>
	
	<input type="submit" value="submit"/> <input type="reset" value="reset"/>

</form>

<c:if test="${pageContext.request.method=='POST'}">
<c:catch var="exception">
<sql:update dataSource="${dataSource}" var="updatedTable">
INSERT INTO AnsweredQuery (QueryId,Anwered) VALUES (?, ?);
<sql:param value="${param.QueryId}" />
<sql:param value="${param.Anwered}" />
</sql:update>
<c:if test="${updatedTable>=1}">
<font size="5" color='green'> Congratulations ! Data inserted
successfully.</font>
</c:if>
</c:catch>
<c:if test="${exception!=null}">
<c:out value="Unable to insert data in database." />
</c:if>
</c:if>

</div>

</body>
</html>

It would help if you would print the actual error message and not some String that only says if it succeeded or not. This way you never get to know why it failed.