UC知道Tomcat报的错!
来源：百度知道 编辑：UC知道 时间：2024/09/21 08:23:46
2009-4-12 12:14:49 org.apache.catalina.startup.Catalina start
信息: Server startup in 1969 ms
java.lang.NullPointerException
java.lang.NullPointerException
at caiwu.DispMaster.chkLogin(DispMaster.java:40)
at org.apache.jsp.chklogin_jsp._jspService(chklogin_jsp.java:96)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.Sta
信息: Server startup in 1969 ms
java.lang.NullPointerException
java.lang.NullPointerException
at caiwu.DispMaster.chkLogin(DispMaster.java:40)
at org.apache.jsp.chklogin_jsp._jspService(chklogin_jsp.java:96)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.Sta
在Tomcat 安装目录下,
大概是: D:\Tomcat 5.0\work\Catalina\localhost
找到你部署的名字,在里面找到
chklogin_jsp.java这个文件的96行,看看是什么.
应该是某句话抛的空指针异常.