tomcat5.016升6.013后,页面报错
exception  

org.apache.jasper.JasperException:   An   exception   occurred   processing   JSP   page   /a.jsp   at   line   49

46:   Class.forName( "sun.jdbc.odbc.JdbcOdbcDriver ");
47:  
48:   //连接数据库
49:   sqlCon   =   java.sql.DriverManager.getConnection( "jdbc:odbc:amxuser ");
50:  
51:   //创建语句对象
52:   sqlStmt   =   sqlCon.createStatement(java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE,java.sql.ResultSet.CONCUR_READ_ONLY);


root   cause  

javax.servlet.ServletException:   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
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:850)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
org.apache.jsp.a_jsp._jspService(a_jsp.java:327)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


root   cause  

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
sun.jdbc.odbc.JdbcOdbc.createSQLException(Unknown   Source)
sun.jdbc.odbc.JdbcOdbc.standardError(Unknown   Source)
sun.jdbc.odbc.JdbcOdbc.SQLDriverConnect(Unknown   Source)
sun.jdbc.odbc.JdbcOdbcConnection.initialize(Unknown   Source)
sun.jdbc.odbc.JdbcOdbcDriver.connect(Unknown   Source)
java.sql.DriverManager.getConnection(Unknown   Source)
java.sql.DriverManager.getConnection(Unknown   Source)
org.apache.jsp.a_jsp._jspService(a_jsp.java:105)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


------解决方案--------------------
检查一下数据源吧
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