This is an error report.
Screenshot of the error
Error details
cannot access to http://2_simulation:34633 this is what I get from echo $ROS_MASTER_URI
Hi @JeeseongKim ,
Welcome to this Community!
There are a few steps you can try to get rid of that issue:
- Check if you are running all the required commands or if you are missing any commands.
- If you are not missing any commands, then restart the terminal by clicking on the circular counter-clockwise arrow symbol on the right side of the terminal/webshell tab.
- Restart the simulation by clicking on the circular counter-clockwise button on the top right corner of the simulation - this is the first button from the left on the set of 3 buttons, not the middle one.
- If steps 1, 2, and 3 fail, then restart your webpage and relaunch the commands and simulation.
- If step 4 also fails, close the webpage, clear your browser history and cookies and relaunch the course and execute the commands.
- If step 5 also fails, clear your browser history and cookies and login to course again after 15-20 mins and relaunch the commands and simulation.
One of the above methods should definitely fix the problem. Do it in the same order please.
Regards,
Girish
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