roslaunch openni_launch openni.launch no devices connected [closed]

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I have seen alot discussions regarding this topic. And i was able to install numerous libraries relating to this topic. Using the guidlines mentioned in this link on github, i executed the command of ./bin/Protonect and kinect was working giving visuals. After i closed it and tried to run openni launch, it gave me this error which is mostly discussed.

adil@HP-Pavilion-g6-Notebook-PC:~$ roslaunch openni_launch openni.launch
... logging to /home/adil/.ros/log/1b658c1e-e2f5-11e6-90e0-e006e66a7c5d/roslaunch-HP-Pavilion-g6-Notebook-  
PC-23624.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://HP-Pavilion-g6-Notebook-PC:38147/

SUMMARY
========

PARAMETERS
* /camera/camera_nodelet_manager/num_worker_threads: 4
* /camera/depth_rectify_depth/interpolation: 0
* /camera/depth_registered_rectify_depth/interpolation: 0
* /camera/disparity_depth/max_range: 4.0
* /camera/disparity_depth/min_range: 0.5
* /camera/disparity_registered_hw/max_range: 4.0
* /camera/disparity_registered_hw/min_range: 0.5
* /camera/disparity_registered_sw/max_range: 4.0
* /camera/disparity_registered_sw/min_range: 0.5
* /camera/driver/depth_camera_info_url: 
* /camera/driver/depth_frame_id: camera_depth_opti...
* /camera/driver/depth_registration: False
* /camera/driver/device_id: #1
* /camera/driver/rgb_camera_info_url: 
* /camera/driver/rgb_frame_id: camera_rgb_optica...
* /rosdistro: indigo
* /rosversion: 1.11.20

NODES
 /camera/
camera_nodelet_manager (nodelet/nodelet)
depth_metric (nodelet/nodelet)
depth_metric_rect (nodelet/nodelet)
depth_points (nodelet/nodelet)
depth_rectify_depth (nodelet/nodelet)
depth_registered_hw_metric_rect (nodelet/nodelet)
depth_registered_metric (nodelet/nodelet)
depth_registered_rectify_depth (nodelet/nodelet)
depth_registered_sw_metric_rect (nodelet/nodelet)
disparity_depth (nodelet/nodelet)
disparity_registered_hw (nodelet/nodelet)
disparity_registered_sw (nodelet/nodelet)
driver (nodelet/nodelet)
ir_rectify_ir (nodelet/nodelet)
points_xyzrgb_hw_registered (nodelet/nodelet)
points_xyzrgb_sw_registered (nodelet/nodelet)
register_depth_rgb (nodelet/nodelet)
rgb_debayer (nodelet/nodelet)
rgb_rectify_color (nodelet/nodelet)
rgb_rectify_mono (nodelet/nodelet)
/
camera_base_link (tf/static_transform_publisher)
camera_base_link1 (tf/static_transform_publisher)
camera_base_link2 (tf/static_transform_publisher)
camera_base_link3 (tf/static_transform_publisher)

auto-starting new master
process[master]: started with pid [23637]
ROS_MASTER_URI=http://localhost:11311

setting /run_id to 1b658c1e-e2f5-11e6-90e0-e006e66a7c5d
process[rosout-1]: started with pid [23650]
started core service [/rosout]
process[camera/camera_nodelet_manager-2]: started with pid [23663]
process[camera/driver-3]: started with pid [23668]
process[camera/rgb_debayer-4]: started with pid [23669]
process[camera/rgb_rectify_mono-5]: started with pid [23670]
process[camera/rgb_rectify_color-6]: started with pid [23689]
process[camera/ir_rectify_ir-7]: started with pid [23698]
process[camera/depth_rectify_depth-8]: started with pid [23714]
process[camera/depth_metric_rect-9]: started with pid [23732]
[ INFO] [1485345304.154296165]: Initializing nodelet with 4 worker threads.
process[camera/depth_metric-10]: started with pid [23746]
process[camera/depth_points-11]: started with pid [23771]
process[camera/register_depth_rgb-12]: started with pid [23775]
process[camera/points_xyzrgb_sw_registered-13]: started with pid [23784]
process[camera/depth_registered_sw_metric_rect-14]: started with pid [23794]
process[camera/depth_registered_rectify_depth-15]: started with pid [23805]
process[camera/points_xyzrgb_hw_registered-16]: started with pid [23814]
process[camera/depth_registered_hw_metric_rect-17]: started with pid [23835]
process[camera/depth_registered_metric-18]: started with pid [23841]
[ INFO] [1485345304.278237517]: No devices connected.... waiting for devices to be connected
process[camera/disparity_depth-19]: started with pid [23854]
process[camera/disparity_registered_sw-20]: started with pid [23868]
process[camera/disparity_registered_hw-21]: started with pid [23886]
process[camera_base_link-22]: started with pid [23896]
process[camera_base_link1-23]: started with pid [23900]
process[camera_base_link2-24]: started with pid [23905]
process[camera_base_link3-25]: started with pid [23918]
[ INFO] [1485345307.278613401]: No devices connected.... waiting for devices to be connected
[ INFO] [1485345310.279014898]: No devices connected.... waiting for devices to be connected
[ INFO] [1485345313.279387071]: No devices connected.... waiting for devices to be connected ...