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urgent help (on oracle connection pool)

 
chennad
Greenhorn
Posts: 2
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Hi,
I am using oracle connection pool ...I am getting new connection each time when i run jsp page ......
It is not getting the connection from pool .............
When i try to print connection object it is giving different object each time .......................
What is the wrong in my code ..............
Is any one using oracle connection pool ................
Please help me ...
Here is my code:

<%@page contentType="text/html"%>
<%@ page language="java" import="java.sql.*,oracle.jdbc.pool.*"%>
<html>
<head><title>JSP Page</title></head>
<body>
<%
Connection con= null;
DbConnectionPool dbcp=null;
dbcp=(DbConnectionPool)application.getAttribute("dbcp");
try{
if(dbcp == null)
{
dbcp=new DbConnectionPool();
application.setAttribute("dbcp",dbcp);
}
else
{
dbcp=(DbConnectionPool)dbcp;
}
con=dbcp.getDatabaseConnection();
Statement stmt=con.createStatement();
ResultSet rs=stmt.executeQuery("select * from checkout_checkin");
while(rs.next())
{
out.println(rs.getString(1)+"<br>");
}
stmt.close();
rs.close();
dbcp.closeDatabaseConnection(con);
}
catch (Exception e){System.out.println("eeeeeee==="+e);}
%>
</body>
</html>
*********************************
package oracle.jdbc.pool;
import oracle.jdbc.*;
import java.sql.*;
public class DbConnectionPool
{
OracleConnectionCacheImpl myConnectionPool;
OracleConnectionPoolDataSource myDataSource;

public DbConnectionPool()
{
try{
//Create & configure datasource
myDataSource = new OracleConnectionPoolDataSource();
myDataSource.setDriverType("thin");
myDataSource.setNetworkProtocol("tcp");
myDataSource.setServerName ("ipaddr");
myDataSource.setDatabaseName("xxxx");
myDataSource.setPortNumber (1521);
myDataSource.setUser ("xxxx");
myDataSource.setPassword ("xxxx");
//Create & configure pool
myConnectionPool = new OracleConnectionCacheImpl(myDataSource);
myConnectionPool.setMaxLimit(20);
myConnectionPool.setMinLimit(2);
myConnectionPool.setCacheScheme(OracleConnectionCacheImpl.DYNAMIC_SCHEME);
}catch (Throwable ex)
{
System.out.println("initConnectionPool() - Exception catched:"+ex);
}
}
public Connection getDatabaseConnection()
{
try{
return (Connection)myConnectionPool.getConnection();
}
catch (Throwable ex){ System.out.println("getDatabaseConnection()=="+ex); return null; }
}
public void closeDatabaseConnection(Connection connection)
{
try{
connection.close();
}catch (Throwable ex){
System.out.println("closeDatabaseConnection(Connection) - Exception catched: " +ex);
}
}
}

Thanks.
 
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