Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:Book DB", "", "");
Statement statement = con.createStatement();在此之前先要配好数据源,控制面板-管理工具-ODBC管理器-系统DNS标签-添加-选择"Microsoft Access Driver"-输入数据源名(此例为:Book DB),选择数据库-ok!!!揭帖吧!
con = DriverManager.getConnection("jdbc:odbc:Book DB", "", "");
Statement statement = con.createStatement();在此之前先要配好数据源,控制面板-管理工具-ODBC管理器-系统DNS标签-添加-选择"Microsoft Access Driver"-输入数据源名(此例为:Book DB),选择数据库-ok!!!揭帖吧!
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HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage 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:346)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
root cause java.lang.NullPointerException
org.apache.jsp.db_jsp._jspService(db_jsp.java:87)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:298)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.25 logs.
--------------------------------------------------------------------------------Apache Tomcat/5.0.25