2699221 - Session expiry, RWS 00008, Communication Error, RWI 00011 error while accessing Fiori BILaunchpad through loadbalancer

• How to configure the SAP BusinessObjects Business Intelligence Platform RESTful Web Service (on tomcat) through an Apache load balancer
• Accessing Visual Difference or Administrators Cockpit in the Central Management Console (CMC) does not show any results (e.g. spins indefinetely or gives error)
• Getting error: You session is not valid or has expired, after loggin in the Fioried BILaunchpad
• Fiddler traces show: HTTP 404 : " RWS 00008","message":"No logon token provided in the X-SAP-LogonToken HTTP header or query parameter. (RWS 00008)"}"
• Opening the Webi (Web Intelligence) Application from the BI Launchpad (BILP) results in the following error from Chrome/Edge:
  Internal error ("[IllegalArgumentException] (Error: RWI 00011)")
  IE gives the error "Communication Error"
• Opening a new Web Intelligence report, then selecting Universe as a data source returns the following error:
  WIS 30270: An internal error occured while calling "getSessionInfosEx" API.
• In Fiori BI Launchpad (BILP) the following error may be intermittently faced:
  Error (WSR 00400)
  The Resource of type "Occurrence" with identifier "N" does not exist

• SAP BusinessObjects Business Intelligence Platform 4.2 SP05+, 4.3 & above [any application using RESTful (biprws)] 
• All Suported Operating System
• Apache Load Balancer
• RESTful Web Server on tomcat

RWS 00008, loadbalancer, session, expiry, restful, fiori , KBA , BI-BIP-DEP , Webapp Deployment, Networking, Vulnerabilities, Webservices , Problem