Just fyi - I've added a new component in Jira named "multicore" for all issues related to CoreContainer, CoreAdminHandler and multiple cores.
https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&mode=hide&pid=12310230&sorter/order=DESC&sorter/field=priority&resolution=-1&component=12313102 -- Regards, Shalin Shekhar Mangar.