连接oracle的问题

[yellowtree12]

Data Source=(DESCRIPTION =(SDU = 32768)(enable = broken) (LOAD_BALANCE = yes)(ADDRESS = (PROTOCOL = TCP)(HOST = gvu3825.austin.hp.com)(PORT = 1525))(ADDRESS = (PROTOCOL = TCP)(HOST = gvu3824.austin.hp.com)(PORT = 1525))(CONNECT_DATA = (SERVICE_NAME = GCSSDMP) ) );User Id=sys;Password=500_Newpas;
在配置文件里面连接oracle数据库编译运行后为什么老是提示这个问题OracleException: ORA-01017: invalid username/password; logon denied，明明用户名和密码都正确!

[md5e]

链接有这么复杂吗?

Data Source=监听句柄;user id=帐号;password=密码;