HTTP Status 500 - An exception occurred processing JSP page /login.jsp at line 41
type Exception report
message An exception occurred processing JSP page /login.jsp at line 41
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /login.jsp at line 41
38: Connection con=null;
39: Statement stmt=null;
40: ResultSet rs=null;
41: Class.forName("com.mysql.jdbc.Driver");
42: String url="jdbc:mysql://localhost:3306/tspl_sys?useUnicode=true&characterEncoding=gbk";
43: con=DriverManager.getConnection(url,"root","123456");
44: stmt=con.createStatement();
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:568)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
root cause
javax.servlet.ServletException: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:916)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:845)
org.apache.jsp.login_jsp._jspService(login_jsp.java:144)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
root cause
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:126)
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:63)
java.lang.Class.forName0(Native Method)
java.lang.Class.forName(Class.java:171)
org.apache.jsp.login_jsp._jspService(login_jsp.java:108)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.53 logs.
------解决方案--------------------
MySQL 的驱动包倒进来了没
------解决方案--------------------
缺驱动jar 找数据库对应的驱动jar加进去
------解决方案--------------------
你没有加mysql的驱动包，去官网下一个放到lib目录中！
------解决方案--------------------
com.mysql.jdbc.Driver 看下里面有这类么