Database Connection Problem-SQL SERVER 2005

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.

hi
i have given what u said and it is not working but it displays blank page.even i tried to getdate..
pls help me
<%@page import="java.sql.*,java.io.*,java.lang.*,java.util.*,java.util.Vector,bean.*" %>
<%
          Connection con;
          Statement stmt;
          try
          String url= "jdbc:sqlserver://156.0.11.140:1433;databaseName=test";
          Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
          con = DriverManager.getConnection(url,"sa","hcl@123");
          stmt = con.createStatement();
          String user="select getdate();"
          System.out.println(user);
     catch (Exception e) {
               out.println(e.toString());
          } finally {
               try {
               } catch (Exception e) {
                    e.printStackTrace()     ;
%>

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