ROS Toolbox issue after R2020b Update 5: Unable to resolve the name ros.intern​al.utiliti​es.getMess​ageTypesWi​thCppKeywo​rd.

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Andreas Schwager
Andreas Schwager 2021-6-11
回答： Jagadeesh Konakalla 2024-1-11
Hi,
scripts running fine in R2020b Update 2 do not more run after R2020b Update 5.
E.g.
>> rosinit
The value of the ROS_MASTER_URI environment variable, http://localhost:11311, will be used to connect to the ROS master.
The value of the ROS_IP environment variable, 192.168.213.1, will be used to set the advertised address for the ROS node.
Initializing global node /matlab_global_node_08205 with NodeURI http://192.168.213.1:44967/
>> rostopic list
/rosout
/rosout_agg
/tf
>> laser = rossubscriber('/rosout');
Unable to resolve the name ros.internal.utilities.getMessageTypesWithCppKeyword.
Does anybody know the root cause or help?
Best Regards
  2 个评论
Jagadeesh Konakalla
Jagadeesh Konakalla 2021-6-11
Hi Andreas,
I could run the above commands without issue in Update 5 of R2020b MATLAB.
Can you run the following commands in the MATLAB command window before creating subscriber ?
clear classes; rehash path; rehash toolbox; rehash pathreset; rehash toolboxreset; rehash toolboxcache;sl_refresh_customizations
Thanks,
Jagadeesh K

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回答（1 个）

Jagadeesh Konakalla
The issue looks like resolved with the following commands,
clear classes; rehash path; rehash toolbox; rehash pathreset; rehash toolboxreset; rehash toolboxcache;sl_refresh_customizations
Thanks
Jagadeesh K.

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