HTTP Status 500 - String index out of range: -1

type Exception report

message String index out of range: -1

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

exception

java.lang.StringIndexOutOfBoundsException: String index out of range: -1
	java.lang.String.substring(String.java:1967)
	com.tongweb.catalina.connector.Request.getRequestDispatcher(Request.java:1355)
	com.tongweb.catalina.connector.RequestFacade.getRequestDispatcher(RequestFacade.java:614)
	webber.vsb.site.virhost.VirhostFilter.doFilter(VirhostFilter.java:72)

note The full stack trace of the root cause is available in the logs.