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I am trying to play a rosbag with a topic of type visualization_msgs/MarkerArray which represents an occupancy grid. When I replay the bag and try to visualize on rViz, I encounter the following error:

[ERROR] [1519233528.633435694]: Client [/rviz_1519232642521321305] wants topic /occupied_cells_vis_array to have datatype/md5sum [visualization_msgs/MarkerArray/d155b9ce5188fbaf89745847fd5882d7], but our version has [visualization_msgs/MarkerArray/90da67007c26525f655c1c269094e39f]. Dropping connection.

I am using ROS Kinetic on Ubuntu 16.04


Originally posted by PrieureDeSion on ROS Answers with karma: 1 on 2018-02-21

Post score: 0

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1 Answer 1

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This likely means the bag file was created on a different version of ROS. This could likely be fixed with rosbag check and rosbag fix http://wiki.ros.org/rosbag/migration


Originally posted by jarvisschultz with karma: 9031 on 2018-02-21

This answer was ACCEPTED on the original site

Post score: 2


Original comments

Comment by PrieureDeSion on 2018-02-21:
That fixes it! Thanks a lot @jarvisschultz

Comment by jarvisschultz on 2018-02-21:
Great! Glad that sorted you out.

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