华为e5573s-856设置:tomcat不能访问jsp

登陆界面显示"非法操作,请稍候试试"

tomcat窗口里是:

java.sql.SQLException: [Microsoft][ODBC 驱动程序管理器] 未发现数据源名称并且未指
定默认驱动程序
at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6958)
at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7115)
at sun.jdbc.odbc.JdbcOdbc.SQLDriverConnect(JdbcOdbc.java:3074)
at sun.jdbc.odbc.JdbcOdbcConnection.initialize(JdbcOdbcConnection.java:3
23)
at sun.jdbc.odbc.JdbcOdbcDriver.connect(JdbcOdbcDriver.java:174)
at java.sql.DriverManager.getConnection(DriverManager.java:512)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at yy.jdbc.getConn(jdbc.java:19)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:93)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:311)

是不是数据库连接问题还是别的?
高手指教