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.