SessionContext.CrossoverOnReturn=SESN0123E: Session crossover detected in Web application {0}. Session {1} was returned to the client when session {2} was expected -
Explanation
A cookie or URL was returned to the client containing a session ID that is not associated with the request.
User response
If the problem persists, see problem determination information on the WebSphere Application Server Support page at http://www.ibm.com/software/webservers/appserv/was/support/.