When I implement the scenario at http://wso2.com/library/tutorials/2013/12/lightweight-service-orchestration-for-non-blocking-backend-services-using-wso2-esb/ I get an error that says
"Proxy Service requires a valid in sequence or valid endpoint".
is there something I am missing from this demo? It seems straightforward enough. I have the latest ESB software as of today if that makes a difference. It is higher than 4.5 as the article says.