咋办，做文件导出时，请求出错：

Question

Servlet failed with Exception  java.lang.NullPointerException  at weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.java:610)         at org.apache.struts2.dispatcher.Dispatcher.sendError(Dispatcher.java:770)         at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:505)         at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)         at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)         Truncated. see log file for complete stacktrace 

Answer 1

see log file for complete stacktrace   

找 log看看

Answer 2

也就是说连action都没进入？ 
会不会是你自定义了拦截器了的？？