Ragazzi purtroppo sono ancora ignorante in materia. Chi mi sa dire che errore č? e come risolverlo?

type Exception report

message

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

exception

java.lang.IllegalArgumentException: Cookie name "Session-Cookie 1" is a reserved token
javax.servlet.http.Cookie.<init>(Cookie.java:140)
coreservlets.SetCookies.doGet(SetCookies.java:17)
javax.servlet.http.HttpServlet.service(HttpServlet .java:689)
javax.servlet.http.HttpServlet.service(HttpServlet .java:802)

note The full stack trace of the root cause is available in the Apache Tomcat/5.5.12 logs.