首页上一页 1 下一页尾页 2 条记录 1/1页
JSP案例精选客户管理系统问题
发表在JavaWeb图书答疑
2007-07-18
是否精华
是
否
版块置顶:
是
否
java.lang.NullPointerException
com.dao.UserDaoImpl.checkUser(UserDaoImpl.java:35)
com.service.UserFacadeImpl.checkUser(UserFacadeImpl.java:28)
com.webtier.manager.UserCheck.perform(UserCheck.java:30)
org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
JDBC数据源设定无错,用mr和mrsoft登陆后出现这个错误
com.dao.UserDaoImpl.checkUser(UserDaoImpl.java:35)
com.service.UserFacadeImpl.checkUser(UserFacadeImpl.java:28)
com.webtier.manager.UserCheck.perform(UserCheck.java:30)
org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
JDBC数据源设定无错,用mr和mrsoft登陆后出现这个错误