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: java.lang.NumberFormatException says null
	com.knowles.presentation.Download.processRequest(Download.java:345)
	com.knowles.presentation.Download.doGet(Download.java:358)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	com.embarcgroup.ezbean.QueryStringFilter.doFilter(QueryStringFilter.java:58)
	com.embarcgroup.ezbean.QueryStringFilter.doFilter(QueryStringFilter.java:122)
	com.embarcgroup.ezbean.PermanentRedirectFilter.doFilter(PermanentRedirectFilter.java:68)

note The full stack trace of the root cause is available in the Apache Tomcat/5.5.9 logs.

Apache Tomcat/5.5.9