gmapping on pioneer p3dx robots not able to publish on /map

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I am trying to create map using kinect . The following are the commands that i executed :-

$ roscore

$ roslaunch openni_launch openni.launch

$ rosrun depthimage_to_laserscan depthimage_to_laserscan image:=/camera/depth/image_raw

$ rosrun tf static_transform_publisher -0.27 0.0 0.6 0.0 0.0 0.0 base_link camera_link 100

$ rosrun ROSARIA Rosaria _port:=/dev/ttyS0 RosAria/pose:=odom //the above command is for p3dx. It publishes nav_msgs::odom on /RosAria/pose as its /odom

$ rosrun gmapping slam_gmapping scan:=scan

Here gmapping is showing the following warning [ WARN] [1450879595.939251882]: MessageFilter [target=odom ]: Dropped 100.00% of messages so far. Please turn the [ros.gmapping.message_notifier] rosconsole logger to DEBUG for more information.

but when I created a fake odom publisher gmapping worked.

So , help me out to find why is the /odom of rosaria is not able to drive gmapping.