HTTP Status 500 -


type Exception report

message

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

exception

java.lang.NullPointerException
	frasca.gclu.sql.CorsoDb.select(CorsoDb.java:91)
	frasca.gclu.dati.Corso.get(Corso.java:153)
	frasca.gclu.dati.Corso.<init>(Corso.java:47)
	frasca.gclu.http.CorsoHttp.get(CorsoHttp.java:283)
	frasca.gclu.http.CorsoHttp.<init>(CorsoHttp.java:51)
	frasca.gclu.servlet.f0.doGet(f0.java:33)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.47 logs.


Apache Tomcat/7.0.47