HTTP Status 500 - Invalid section or file


type Exception report

message Invalid section or file

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

exception

javax.servlet.ServletException: Invalid section or file
	com.redrobysoftware.eschool.servlet.CourseZipServlet.doGet(CourseZipServlet.java:847)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.68 (Ubuntu) logs.


Apache Tomcat/7.0.68 (Ubuntu)