我用jbuider x 连接sql server，出现错误，请各位指教。多谢！

我用jbuider x 连接sql server，用的是sql server jdbc的驱动程序，连接出现错误，请各位指教。多谢！
错误提示如下：
See com.borland.dx.dataset.DataSetException error code:  BASE+66com.borland.dx.dataset.DataSetException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
at com.borland.dx.dataset.DataSetException.a(Unknown Source) at com.borland.dx.dataset.DataSetException.throwException(Unknown Source) at com.borland.dx.dataset.DataSetException.SQLException(Unknown Source) at com.borland.dx.sql.dataset.Database.openConnection(Unknown Source) at com.borland.jdbcx.metadata.DatabaseInfo.openConnection(Unknown Source) at com.borland.jdbcx.metadata.e.run(Unknown Source)Chained exception:java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket. at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source) at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source) at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source) at com.microsoft.jdbc.sqlserver.tds.TDSConnection.<init>(Unknown Source) at com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source) at com.microsoft.jdbc.base.BaseConnection.getNewImplConnection(Unknown Source) at com.microsoft.jdbc.base.BaseConnection.open(Unknown Source) at com.microsoft.jdbc.base.BaseDriver.connect(Unknown Source) at java.sql.DriverManager.getConnection(DriverManager.java:512) at java.sql.DriverManager.getConnection(DriverManager.java:171) at com.borland.dx.sql.dataset.Database.openConnection(Unknown Source) at com.borland.jdbcx.metadata.DatabaseInfo.openConnection(Unknown Source) at com.borland.jdbcx.metadata.e.run(Unknown Source)