}
@StateTransition( currentState = { State.UNINITIALIZED,State.ERRORED }, desiredState = State.ACTIVE )
private void onActivate()
{
_houseKeepingTasks = new ScheduledThreadPoolExecutor(getHousekeepingThreadCount(), new SuppressingInheritedAccessControlContextThreadFactory());
MessageStore messageStore = getMessageStore();
messageStore.openMessageStore(this);
startFileSystemSpaceChecking();