哪位高手帮帮忙啊,跪谢了
我用javaBean+jsp做的一个管理系统 数据库用的是sqlserver2000 服务器用的是resin
结果在登陆登陆系统时却抛出了这个错误,我把index.jsp中的jsp和java代码全部注释掉了,还是这个错误,老大啊,怎么回事啊
500 Servlet Exception
java.lang.NullPointerException
at com.zx.auth.Authorization.isLogin(Authorization.java:39)
at _index__jsp._jspService(/index.jsp:38)
at com.caucho.jsp.JavaPage.service(JavaPage.java:75)
at com.caucho.jsp.Page.subservice(Page.java:485)
at com.caucho.server.http.FilterChainPage.doFilter(FilterChainPage.java:182)
at com.caucho.server.http.Invocation.service(Invocation.java:312)
at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:221)
at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:163)
at com.caucho.server.TcpConnection.run(TcpConnection.java:137)
at java.lang.Thread.run(Thread.java:534)