Type Exception Report
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
java.lang.NullPointerException org.apache.myfaces.shared.context.flash.FlashImpl.isKeepMessages(FlashImpl.java:395) org.apache.myfaces.shared.context.flash.FlashImpl._saveMessages(FlashImpl.java:686) org.apache.myfaces.shared.context.flash.FlashImpl.doPostPhaseActions(FlashImpl.java:271) org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:280) javax.faces.webapp.FacesServlet.service(FacesServlet.java:200) org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:78) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) com.ocpsoft.pretty.PrettyFilter.doFilter(PrettyFilter.java:145)
Note The full stack trace of the root cause is available in the server logs.