2000连接出错

Question

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(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at com.wwxx.dao.BaseDate.Getcon(BaseDate.java:17)
at com.wwxx.dao.FwxxImpl.GetAll(FwxxImpl.java:20)
at com.wwxx.dao.Test.main(Test.java:14)
java.lang.NullPointerException
at com.wwxx.dao.FwxxImpl.GetAll(FwxxImpl.java:21)
at com.wwxx.dao.Test.main(Test.java:14)
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.连接出错
是什么地方出错了！！！！在线等 ！！！