帮我看看这个mysql日志是否有问题，新手求解

显示全部楼层 · 2011-8-5 23:53:30

110722 10:20:14 [Note] C:\Program Files\MySQL\MySQL Server 5.1\bin\mysqld: Normal shutdown
110722 10:20:14 [Note] Event Scheduler: Purging the queue. 0 events
110722 10:20:14InnoDB: Starting shutdown...
110722 10:20:15InnoDB: Shutdown completed; log sequence number 0 981957
110722 10:20:15 [Note] C:\Program Files\MySQL\MySQL Server 5.1\bin\mysqld: Shutdown complete
110722 10:20:58 [Note] Plugin 'FEDERATED' is disabled.
110722 10:21:01InnoDB: Started; log sequence number 0 981957
110722 10:21:02 [Note] Event Scheduler: Loaded 0 events
110722 10:21:02 [Note] C:\Program Files\MySQL\MySQL Server 5.1\bin\mysqld: ready for connections.
Version: '5.1.51-community'socket: ''port: 3306MySQL Community Server (GPL)
网站连不上数据库
org.apache.jasper.JasperException: java.lang.NullPointerException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:491)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause
java.lang.NullPointerException
com.dao.UserDAO.findByUsername(UserDAO.java:103)
org.apache.jsp.admin.check_jsp._jspService(check_jsp.java:98)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
网站报错

千问 · 2011-8-5 23:53:30

1安装oracle client2 add new service (写客户端tnsname.ora文件）配置实例名，ip，端口号 3 用sqlplus访问数据库 aq...

千问 · 2011-8-5 23:53:30

UserDAO.java:103把上下的代码发给我。。。...

千问 · 2011-8-5 23:53:30

不是数据库的问题吧，是你程序的问题吧。。有可能是你的hibernate上的配置的数据库有问题。。...