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Shutdown request received

asked 2013-08-05 20:39:32 -0500

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hi,I am using laser assembler package for 2D pointCloud to 3D point-cloud conversion. First I am start launch file (laser.launch), then followed by I'll run cpp file, when I run .cpp file suddenly the roslaunch(master) file will be shutdown, the error is

[ WARN] [1375768306.726458068]: Shutdown request received.
[ WARN] [1375768306.726502466]: Reason given for shutdown: [new node registered with same name]

launch file is

<launch>
    <node pkg="laser_assembler" type="laser_scan_assembler" output="screen"  name="laser_scan_assembler">
    <remap from="/scan" to="tilt_scan"/>
    <param name="tf_cache_time_secs" type="double" value="11.0" />
    <param name="max_scans" type="int" value="400" />
    <param name="ignore_laser_skew" type="bool" value="true" />
    <param name="fixed_frame" type="string" value="/sr_lidar1_scan" />
  </node>
</launch>

thank you

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How could a .cpp file be run?

felix k gravatar image felix k  ( 2013-08-07 21:59:25 -0500 )edit

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answered 2013-08-06 21:24:56 -0500

pkohout gravatar image

Is it possible that you run a .cpp file from the "laser_scan_assembler" ? I think you start the same node again, which ends in an shutdown because you have the same name twice. If you wanna run it both together then change the name in the .launch file, e.g to "laser_scan_assembler_1"

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thanks Mr.coon, if i change the .launch file node name ,, is .cpp file run time error occurred for [ERROR] [1375875020.161393352]: Need to set parameter fixed_frame

sivan chinnaiyan gravatar image sivan chinnaiyan  ( 2013-08-07 01:30:46 -0500 )edit

Have you read the [laser_assembler doc](http://ros.org/wiki/laser_assembler#Parameters)? It states the `laser_scan_assembler` requires a parameter fixed_frame.

felix k gravatar image felix k  ( 2013-08-07 22:00:24 -0500 )edit

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Asked: 2013-08-05 20:39:32 -0500

Seen: 7,185 times

Last updated: Aug 06 '13