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unable to implement connection pooling with sybase

 
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hello everyone,
i am trying to implement connection pooling with sybase as the database and tomcat 5 as the container. But this is the exception thats coming :

javax.naming.NameNotFoundException: Name jdbc/TestDB2 is not bound in
this Context

My server.xml looks lilke this :
<Context path="/DBTest2" docBase="DBTest2" debug="5" reloadable="true" crossContext="true" >

<Logger classname="org.apache.catalina.logger.FileLogger"
prefix="localhost_DBTest2_log." suffix=".txt" timestamp="true" />

<Resource name="jdbc/TestDB2" auth="Container" type="javax.sql.DataSource" />

<ResourceParams name="jdbc/TestDB2">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>

<parameter>
<name>maxActive</name>
<value>100</value>
</parameter>

<parameter>
<name>maxIdle</name>
<value>30</value>
</parameter>

<parameter>
<name>maxWait</name>
<value>10000</value>
</parameter>

<parameter>
<name>username</name>
<value>sa</value>
</parameter>

<parameter>
<name>password</name>
<value></value>
</parameter>

<parameter>
<name>driverClassName</name>
<value>com.sybase.jdbc2.jdbc.SybDriver</value>
</parameter>

<parameter>
<name>url</name>
<value>jdbc:sybase:Tds:172.16.12.84:2048/lnk_common_dd</value>
</parameter>

</ResourceParams>

</Context>

This is my web.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
version="2.4">
<description>MySQL Test App</description>
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jdbc/TestDB2</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>


this is my test.jsp

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

<sql:query var="rs" dataSource="jdbc/TestDB2">
select id, foo, bar from testdata
</sql:query>

<html>
<head>
<title>DB Test</title>
</head>
<body>

<h2>Results</h2>

<c:forEach var="row" items="${rs.rows}">
Foo ${row.foo}<br/>
Bar ${row.bar}<br/>
</c:forEach>

</body>
</html>

Any help would be much appreciated as i am stuck with this since the last 2 days

thanking you all in advance

Bhavani
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