Rosbag error "No definition for RedundancyInformation"

Question

Helder Araujo 2022-3-23

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1678719-rosbag-error-no-definition-for-redundancyinformation

回答： Cam Salzberger 2022-3-24

When using rosbag I get the following error:

____________________________________________________________________________

>> bagselect=rosbag('2022-02-22-09-53-18_2.bag')

No definition for RedundancyInformation

Message def:

# Target Pose including redundancy information.

geometry_msgs/PoseStamped poseStamped

# If you have issues with the robot not executing the motion copy this value from the Cartesian Position Tab of the

# robot SmartPad. Set both parameters to -1 to disable them.

RedundancyInformation redundancy

_________________________________________________________________________

See no reason for this error.

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Answer 1

Cam Salzberger 2022-3-24

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https://ww2.mathworks.cn/matlabcentral/answers/1678719-rosbag-error-no-definition-for-redundancyinformation#answer_926254

Hello Helder,

Rosbags generally are supposed to contain message definition information that can be used to deserialize the messages from the bag. Sometimes, however, that information is missing. Some tools get around that by using message definitions from the current system, but MATLAB requires the rosbag files have this information.

There is a "rosbag_fixer" tool that has worked for people in the past to add these message definitions back into the bag.

-Cam