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2022-11-30 18:12:57 -0500 commented answer ERROR : ROS2 RUN package not found

This worked for me! Thank you for your answer.

2022-11-30 13:02:34 -0500 edited question How to determine if a package is ROS1 or ROS2?

How to determine if a package is ROS1 or ROS2? I'm working on getting roslibrust to support ros2. What I am hoping to do

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2022-11-29 16:36:09 -0500 asked a question How to determine if a package is ROS1 or ROS2?

How to determine if a package is ROS1 or ROS2? I'm working on getting roslibrust to support ros2. What I am hoping to do

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2014-08-19 09:09:55 -0500 answered a question Cannot load message class for .... Are your messages built?

I know this is very late, but I just encountered the exact same problem. My problem originated from not having the .msg file added in my CMake file when I built. Here is how I resolved it:

First, ensure the file has been added to the CMakeLists.txt (yours already has)

Second, clean your build by running "catkin_make clean" in the root of your workspace.

Third, remake your project with "catkin_make"

Lastly, resource the devel/setup.bash in your workspace.

I know this is not a great answer, but I encountered the exact same problem where rosmsg could find my message, but rostopic could not, and these are the exact steps I took that resolved it.

2014-08-11 13:39:34 -0500 commented answer Which is the correct way to install header files in catkin packages?

Link is broken, can you fix?

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2014-07-21 08:10:42 -0500 commented answer Why don't Log outputs end up in Bags? Can I force them to?

That is it exactly! The bug is with rqt_bag; I can publish from rqt_bag into rqt_console and see the 'msg' field, but rqt_bag does not display it internally. Thank you so much for pointing me in the right direction!

2014-07-21 08:08:20 -0500 marked best answer Why don't Log outputs end up in Bags? Can I force them to?

I am a big fan of rosbags. Right now I am doing a series of pretty complex tests on some mobile robots. I like to bag everything for each test, so that I can go back and review what happened to catch bugs. Rqt_bag's visualization capabilities make debugging certain aspects of my system extremely easy. However, I am continually frustrated that Log information produced by calls to ROS_ERROR(), ROS_INFO(), ROS_DEBUG(), etc. does not appear to be stored in my bag files. I can see that rosout has messages publish in it similar to:

  • header
  • level: 8
  • name: /PelicanMMS
  • file: /asctec/PelicanMMS/PelicanROS/src/VTOL...
  • function: startHandler
  • line: 38
  • topics

This can point me to the exact origin of one of my debug calls, but it does not contain the actual text of the call! I know that the text from my log calls can be found in the generated log files, or captured with rqt_console; but, I want the logging text stored in my bag. My questions are:

Is there some system setting or configuration that I could specify to make the text logging information get bagged? If this is impossible, is there a simple work around?

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