1fab7a430c0e7445f2ed5cb191ccb9c7e91ccd11,bigbluebutton-apps/src/main/java/org/bigbluebutton/conference/service/whiteboard/WhiteboardApplication.java,WhiteboardApplication,undo,#,135

Before Change


	
	public void undo() {
		roomManager.getRoom(getLocalScope().getName()).undo();
		ISharedObject drawSO = getSharedObject(getLocalScope(), WHITEBOARD_SHARED_OBJECT);
		drawSO.sendMessage("undo", new ArrayList<Object>());
	}
	
	@Override

After Change


//		drawSO.sendMessage("undo", new ArrayList<Object>());
		
		Map<String, Object> message = new HashMap<String, Object>();		
		ClientMessage m = new ClientMessage(ClientMessage.BROADCAST, getLocalScope().getName(), "WhiteboardUndoCommand", message);
		connInvokerService.sendMessage(m);
	}
	
	@Override