Disclosed is a shaft inserted member into which a shaft is inserted in a relatively movable manner, and a locking mechanism provided in the shaft inserted member. It is determined if a message indicating an elapse of an expiration time of a multimedia message is received from an multimedia message service center, and disables a retrieval process for a multimedia message the expiration time of which has elapsed, when the message indicating the elapse of the expiration time is received. The request may identify a first location of the parameter. The data grid cluster uses the quorum policy to determine whether the service action is allowed to be performed, based on a present state of the plurality of cluster nodes in the data grid cluster.