我调 admin.jsp 时候提示错误如下 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:316) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:277) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:223) javax.servlet.http.HttpServlet.service(HttpServlet.java:810) root cause java.lang.NullPointerException org.apache.jsp.count.admin_jsp._jspService(admin_jsp.java:187) 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:268) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:277) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:223) javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
String url="jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=YOURDBName";
String user="YOURDBName";
String password="YOURDBName";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE); 我用的链接
白试不爽
我调 admin.jsp 时候提示错误如下
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:316)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:277)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:223)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
root cause java.lang.NullPointerException
org.apache.jsp.count.admin_jsp._jspService(admin_jsp.java:187)
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:268)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:277)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:223)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)