标准的JDBC-ODBC连接Class.forName(sun.jdbc.odbc.JdbcOdbcDriver); String url = "jdbc:odbc:fk431";//fk431是指你数据库的名字 Connection con = DriverManager.getConnection(url,"sa","820110");
你的类放错地方了吧 我觉得ORACLE 好用啊 我都用的很好啊
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:372) 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:802) root cause java.lang.NullPointerException org.apache.jsp.login.login_005f1_jsp._jspService(login_005f1_jsp.java:114) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324) 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:802) note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
我在CATCH里边写什么他就输出什么东西
标准的JDBC-ODBC连接Class.forName(sun.jdbc.odbc.JdbcOdbcDriver);
String url = "jdbc:odbc:fk431";//fk431是指你数据库的名字
Connection con = DriverManager.getConnection(url,"sa","820110");
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:372)
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:802)
root cause java.lang.NullPointerException
org.apache.jsp.login.login_005f1_jsp._jspService(login_005f1_jsp.java:114)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
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:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
也有可能是executeQuery没查到值。
也有可能是某个对象是通过其他函数返回的,但返回为空,比如:
Connection conn=DriverManager.getConnection();
....
是SQL SERVER的问题 SQL SERVER不能访问网络 装了sp3补丁之后就能用了谢谢大家的关心和支持!!!