Java Database Connectivity (JDBC)

Dear all,

I have been struggling with this database connection.I have installed sql server 2005 in my PC and i am trying to connect to the Database Adventity.But it is showing port 1432 invalid.I have placed sqljdbc jar in my lib folder.If i dont specify Database name then it will print hi Message..if i specify Database name then the error will come.

MY CODE is::

<%@page import="java.sql.*,java.io.*,java.lang.*,java.util.*,java.util.Vector,bean.*" %>
<%

Connection con;
Statement stmt;
String url= "jdbc:sqlserver://156.0.11.140:1433/Adventity";
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
con = DriverManager.getConnection(url,"sa","hcl@123");
stmt = con.createStatement();
out.println("hi");

%>

THE ERROR IS:
javax.servlet.ServletException: The port number 1433/Adventity is not valid.
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:867)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:800)
org.apache.jsp.adv1_jsp._jspService(adv1_jsp.java:66)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

root cause

PLEASE HELP ME TO GET RID OUT FROM THIS PROBLEM.
THANKS IN ADVANCE.