After autorization on http server occure this problem.
What's happened, who know? Please help me.
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it
from fulfilling this request.
org.apache.jasper.JasperException: null
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:460)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
ftc.budget.common.tomcat.CharsetFilter.doFilter(CharsetFilter.java:41)
root cause
java.lang.NumberFormatException: null
java.lang.Integer.parseInt(Unknown Source)
java.lang.Integer.parseInt(Unknown Source)
org.apache.jsp.check_005fenter_jsp._jspService(check_005fenter_jsp.java:61)
ftc.budget.servlet.BudgetJspPage.service(BudgetJspPage.java:71)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
ftc.budget.common.tomcat.CharsetFilter.doFilter(CharsetFilter.java:41)
note The full stack trace of the root cause is available in the Apache
Tomcat/5.5.27 logs.
Apache Tomcat/5.5.27
Anton Chudesnikov.