HTTP Status 500 - For input string: "f1"

type Exception report

message For input string: "f1"

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

exception

java.lang.NumberFormatException: For input string: "f1"
	java.lang.NumberFormatException.forInputString(Unknown Source)
	java.lang.Integer.parseInt(Unknown Source)
	java.lang.Integer.parseInt(Unknown Source)
	frasca.gclu.servlet.f0.doGet(f0.java:29)
	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