菜鸟问题，请帮忙看一下，下面错误是怎么回事？

[yeno]

偶是用JDBC-ODBC桥连接Access数据库的，连接的关键语句如下：

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String url="jdbc:odbc:DRIVER={MICROSOFT ACCESS DRIVER (*.mdb)};DSN='';DBQ=C:\\tomcat\\webapps\\count\\count.mdb";

出错信息如下：

HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:358)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)


root cause

java.lang.NullPointerException
org.apache.jsp.reg1_jsp._jspService(reg1_jsp.java:65)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)


note The full stack trace of the root cause is available in the Tomcat logs.


偶是实在不想建立那个鬼DSN呀，