求助:帮帮我吧!
请各位大师们看看这个错误是什么意思?java.sql.SQLException: [Microsoft][SQLServer JDBC Driver][SQLServer]用户 'sa' 登
录失败。原因: 未与信任 SQL Server 连接相关联。
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processErrorToken(Unknown
Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReplyToken(Unknown
Source)
at com.microsoft.jdbc.sqlserver.tds.TDSLoginRequest.processReplyToken(Un
known Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReply(Unknown Sour
ce)
at com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Sou
rce)
at com.microsoft.jdbc.base.BaseConnection.getNewImplConnection(Unknown S
ource)
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 CreatTableTest.getConnection(CreatTableTest.java:108)
at CreatTableTest.main(CreatTableTest.java:28)
Exception in thread "main" java.lang.NullPointerException
at CreatTableTest.createTable(CreatTableTest.java:41)
at CreatTableTest.main(CreatTableTest.java:29)
它的意思是说:关于sa的密码不对吗?
我在sql数据库中的企业管理中就怎么也不能修改sa的密码,而且我不知道它的密码是多少?我该怎么办?