connection error

hello frnds,
please pass the message for me ASAP…i am giving all the jdbcadapters connectinon required only…

 Error encountered [ART.118.5042] Adapter Runtime (Connection): Unable to enable connection resource Adaptest:conn1.

[ART.118.5036] Adapter Runtime (Connection): Unable to configure connection manager.
[ADA.1.204] Cannot connect to the database with DataSource class “”.
[Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.regards