HTTP Status 500 - 

type Exception report

message 

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

exception 
javax.servlet.ServletException: null
	ua.kiev.softline.services.security.auth.web.AuthenticationFilter.doFilter(AuthenticationFilter.java:155)


root cause 
javax.servlet.ServletException: null
	ua.kiev.softline.waf.web.MainServlet.doGet(MainServlet.java:223)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	ua.kiev.softline.services.security.auth.web.AuthenticationFilter.doFilter(AuthenticationFilter.java:151)

root cause 
java.lang.NumberFormatException: null
	java.lang.Long.parseLong(Long.java:375)
	java.lang.Long.<init>(Long.java:678)
	ua.kiev.softline.services.n_publishing.web.PublishingWebImpl.processCalendar(PublishingWebImpl.java:423)
	ua.kiev.softline.services.n_publishing.web.PublishingWebImpl.processRequest(PublishingWebImpl.java:217)
	ua.kiev.softline.waf.web.MainServlet.doGet(MainServlet.java:183)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	ua.kiev.softline.services.security.auth.web.AuthenticationFilter.doFilter(AuthenticationFilter.java:151)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.26 logs.
Apache Tomcat/5.5.26