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急！！《JSP项目开发全程实录》网络在线考试系统登录失败
发表在JavaWeb图书答疑
2015-04-28
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在登陆界面输数据库里的准考证号和密码时提示密码错误，然后注册提交时提示注册错误，找回密码时提示成功找回但是没有显示密码。后台用tsoft账号登陆时出错：HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: java.lang.NullPointerException
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:535)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:433)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
root cause
java.lang.NullPointerException
com.wgh.dao.ManagerDAO.checkManager(ManagerDAO.java:17)
com.wgh.action.Manager.managerLogin(Manager.java:44)
com.wgh.action.Manager.execute(Manager.java:22)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.10 logs.
--------------------------------------------------------------------------------
Apache Tomcat/6.0.10
我的数据库已安装sql2005sp4补丁，账号是sa,密码为空,打开SqlServer提供的工具->Sql Server Configuration Manager->SQL Server 2005 配置->(你自己的数据库实例名)的协议->TCP/IP。找到IP地址为“127.0.0.1”的一栏，设置TCP端口：1433、活动：是、已启用：是，拉倒最下IPALL这一栏，设置TCP端口：1433，点击确定。
选择左边窗口“SQL Server 2005 服务”，扎到SQL Server(你自己的数据库实例名)，右键-重新启动。启动之后再用程序连接一下这个方法也试过了。tomcat\webapps\项目名\WEB-INF\classes\文件夹下没有找到hibernate.properties文件。请问老师这个问题该怎么解决啊？
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: java.lang.NullPointerException
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:535)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:433)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
root cause
java.lang.NullPointerException
com.wgh.dao.ManagerDAO.checkManager(ManagerDAO.java:17)
com.wgh.action.Manager.managerLogin(Manager.java:44)
com.wgh.action.Manager.execute(Manager.java:22)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.10 logs.
--------------------------------------------------------------------------------
Apache Tomcat/6.0.10
我的数据库已安装sql2005sp4补丁，账号是sa,密码为空,打开SqlServer提供的工具->Sql Server Configuration Manager->SQL Server 2005 配置->(你自己的数据库实例名)的协议->TCP/IP。找到IP地址为“127.0.0.1”的一栏，设置TCP端口：1433、活动：是、已启用：是，拉倒最下IPALL这一栏，设置TCP端口：1433，点击确定。
选择左边窗口“SQL Server 2005 服务”，扎到SQL Server(你自己的数据库实例名)，右键-重新启动。启动之后再用程序连接一下这个方法也试过了。tomcat\webapps\项目名\WEB-INF\classes\文件夹下没有找到hibernate.properties文件。请问老师这个问题该怎么解决啊？
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