I added new planner and state space in ompl and I want to do a simulation on pr2 robot now. I compiled all codes out but when I ran the demo.launch file, after I set the initial and goal state and pushed planning button, I met the error. Here is the output:

[ INFO] [1497543136.750088540]: Planning request received for MoveGroup action. Forwarding to planning pipeline. [ INFO] [1497543136.785134301]: Loading robot model 'pr2'... [ WARN] [1497543137.640413767]: The root link basefootprint has an inertia specified in the URDF, but KDL does not support a root link with an inertia. As a workaround, you can add an extra dummy link to your URDF. [ INFO] [1497543137.728499488]: Loading robot model 'pr2'... [ WARN] [1497543137.751001707]: The root link basefootprint has an inertia specified in the URDF, but KDL does not support a root link with an inertia. As a workaround, you can add an extra dummy link to your URDF. [ WARN] [1497543137.805350191]: The root link basefootprint has an inertia specified in the URDF, but KDL does not support a root link with an inertia. As a workaround, you can add an extra dummy link to your URDF. [ INFO] [1497543137.856087362]: Loading robot model 'pr2'... [ WARN] [1497543137.876364813]: The root link basefootprint has an inertia specified in the URDF, but KDL does not support a root link with an inertia. As a workaround, you can add an extra dummy link to your URDF. [ INFO] [1497543137.881246851]: Model frame: /odomcombined [ WARN] [1497543137.881407179]: SEVERE WARNING!!! Attempting to unload library while objects created by this loader exist in the heap! You should delete your objects before attempting to unload the library or destroying the ClassLoader. The library will NOT be unloaded. [ WARN] [1497543137.881437869]: SEVERE WARNING!!! Attempting to unload library while objects created by this loader exist in the heap! You should delete your objects before attempting to unload the library or destroying the ClassLoader. The library will NOT be unloaded. [movegroup-5] process has died [pid 30258, exit code -11, cmd /home/ruinianxu/wsmoveit/devel/lib/moveitrosmovegroup/movegroup --debug _name:=movegroup _log:=/home/ruinianxu/.ros/log/4d8e3574-51e5-11e7-ad3f-1c6f6540c1be/movegroup-5.log]. log file: /home/ruinianxu/.ros/log/4d8e3574-51e5-11e7-ad3f-1c6f6540c1be/movegroup-5*.log

I already tried to find this log file to see whether I can find code stopped at which line. But I found the root directory but there was no log file named move_group-5*.log. What I can confirm is this problem is caused by my state space since when I set my planner using default state space, it will not crash. Anybody has any idea about this?