public void setActiveSessionsCacheName(String activeSessionsCacheName) {
        this.activeSessionsCacheName = activeSessionsCacheName;
    }
Sets the name of the active sessions cache to be returned by the {@code CacheManager}.  Defaults to
{@link #ACTIVE_SESSION_CACHE_NAME}.

@param activeSessionsCacheName the name of the active sessions cache to be returned by the {@code CacheManager}.
core/src/main/java/org/apache/shiro/session/mgt/eis/CachingSessionDAO.java