500 Servlet Exception

java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC][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.createException(Unknown Source)
	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(Unknown Source)
	at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReply(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 _testsqlserver__jsp._jspService(/myjsp/testsqlserver.jsp:10)
	at com.caucho.jsp.JavaPage.service(JavaPage.java:75)
	at com.caucho.jsp.Page.subservice(Page.java:506)
	at com.caucho.server.http.FilterChainPage.doFilter(FilterChainPage.java:182)
	at com.caucho.server.http.Invocation.service(Invocation.java:315)
	at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
	at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:253)
	at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:170)
	at com.caucho.server.TcpConnection.run(TcpConnection.java:139)
	at java.lang.Thread.run(Thread.java:534)