EM Tippschein???

type Exception report

message

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

exception

java.lang.NumberFormatException: null
java.lang.Integer.parseInt(Integer.java:417)
java.lang.Integer.parseInt(Integer.java:499)
em08.frontend.forms.LoginForm.validate(LoginForm.java:19)
org.apache.struts.action.RequestProcessor.processValidate(RequestProcessor.java:92

org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:204)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
em08.frontend.filter.CacheControlFilter.doFilter(CacheControlFilter.java:33)
em08.frontend.filter.UTF8Filter.doFilter(UTF8Filter.java:23)
de.laures.persistence.SessionManagementServletFilter.doFilter(SessionManagementServletFilter.java:40)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.20 logs.

bekomme diese Fehlermeldung.... was soll ich da dann Tippen?