100分 求助 JSP+MSSQL 连接出错,朋友的金政人才程序

朋友的金政程序，打不开。以下是错误日志，请求各位高手帮帮忙。

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SQLException occurred in JDBCPool: java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
params: com.microsoft.jdbc.sqlserver.SQLServerDriver, jdbc:microsoft:sqlserver://127.0.0.1:1433;databasename=hr. Please check your username, password and other connectivity info.
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 com.codestudio.util.JDBCPool.create(Unknown Source)
at com.codestudio.util.ObjectPool.checkOut(Unknown Source)
at com.codestudio.util.ObjectPool.init(Unknown Source)
at com.codestudio.util.JDBCPool.init(Unknown Source)
at com.codestudio.util.JDBCPool. &l