Question

我正在为我的项目使用tomcat 7和net beans IDE 7.3.1。我的servlet程序在Mozilla Firefox和Internet Explorer上运行正常。但是当我在Google Chrome上运行它时会显示以下错误。

   HTTP Status 500 -

type Exception report

message description The server encountered an internal error that prevented it from fulfilling this request.

exception

java.lang.NullPointerException
   Controller.CreateQuestion.doPost(CreateQuestion.java:200)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
Filters.logoutfilter.doFilter(logoutfilter.java:27)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.34 logs.

Apache Tomcat/7.0.34

请帮助任何人，感谢。

http状态500-空指针仅在谷歌浏览器上的例外

0 个答案: