Problem with JDBC Pool with SQL Server 2000

Hi all,
I have created one JDBC pool with SQLServer 2000, and i am using that pool to start TN. When i am testing that JDBC pool with Trading Networks. It is giving the following error.
Test of TN Failed.
[wm-cjdbc32-0014][SQLServer JDBC Driver] Error establishing socket no further information.

and i am using the follwing properties to configure JDBC Pool
Alias Name : first
Alias Description : firstpool
Associated Driver Alias: DataDirect Connect JDBC SQL Server Driver.
Databaseurl :jdbc:sqlserver://localhost:1433;DatabaseName=master;selectMethod=cursor
User Id : sa
Password : ******
MinimumConnections : 1
Maximum Connections : 10
Idle Timeout : 10000 milliseconds

Thanks in advance