private void stopFileReceiver() {
		while (this.fileReceiverThread.isAlive()) {
			this.log.fine("FileReceiver thread is alive");
			this.fileReceiverThread.interrupt();
			this.log.fine("FileReceiver thread is interupt");
			try {
				this.log.fine("Join FileReceiver thread");
				this.fileReceiverThread.join();
				this.log.fine("Join FileReceiver is finish");
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				//e.printStackTrace();
				log.info("InterruptedException !!!");
				return;
			}
		}
	}