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Requesting List of World Names in loop and gazebo gui not responding #44
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@blaiblayer The first time you launch gazebo it will do these background downloads. Does this persist on subsequent launches? |
@roni-kreinin Yes it does persist and gazebo gui window still showing message npt responding |
@roni-kreinin @blaiblayer I have the same problem, do either of you already know a fix for this perhaps? |
Same for me.
There is just a black screen that closed without any interaction when this |
@lizsterkenburg @teufelweich Can you clarify details about your environment?
|
Linux Mint 21.1 (Kernel 5.15.0-83-generic)
Humble
Running natively
I updated some ROS packages. Now the simulator starts. I can see the simulated world and HMI GUI, but no robot is spawned inside the world. |
@teufelweich has the terminal output changed or is is still the same? I have now gotten this "Requesting list of world names" error on one occasion but it was fixed by rebooting my pc. |
Yes, the terminal output has changed. This is the complete output:
There seems to be an issue with model deserialization. But they are just warnings
I hate that many issues with the Turtlebot/Create3 are solved by 'just' rebooting. This isn't windows :( |
@hilary-luo
Ubuntu 22.04 Side note, I can now start the warehouse world with the robot, and I get the error for requesting world names if I use my own world file. So my issue might be a different issue. |
Thanks for your patience, things have been busy for me. @lizsterkenburg it does sound like you have a different issue with your own world file. @teufelweich Are you still having this issue? If so, have you installed it from source or with debians? This sort of error could be caused by missing dependencies or some packages not aligning:
Try running Have you made any changes to the default warehouse or turtlebot models? |
This issue is being closed due to inactivity. If you are still experiencing the issue, feel free to reopen this ticket when you are ready to continue the troubleshooting process. |
Hello, I have exactly the same problems. the same config ubuntu 22.04 and ROS2 humble, Virtualbox |
Hi, Can you provide pointers to a working image we can use out of the box? |
Hi,
I noticed that the gazebo is not able to reach the server to download all resource. Does anyone resolve this problem? |
During the debug, I discovered that the gazebo shows these error:
I tried to replace all file that contains https://fuel.ignitionrobotics.org with https://fuel.gazebosim.org but it didn't resolve the problem. In addition, I notice that if you change the world with maze (whose doesn't contain uri) it works without errors:
Therefore, I think that the problem is the gz_server is not able to reach the fuel remote repository |
@federicociresola can you please try again and confirm that those errors are no longer present? |
@hilary-luo the problem to download the world from server remains.
I tried to make a clear installation of ROS2 humble with Gazebo Fortress (because I had used Gazebo Garden) on my PC but either the official package of turtlebot4-sim and the cloned repository the problem of the Gazebo black screen remains |
@federicociresola Thanks for the feedback. It seems like the issue only went away temporarily and is back. Please follow along here since I'd rather not keep coming back to this closed issue. Also, in the future, it's better for you to open your own issue than to comment on a closed issue, especially when you have a different error message than the OP. |
STEPS FOLLOWED:
I want to use turtlebot4 simulator and I have installed everything as stated in the turtlebot4 guide in my user PC. No problems arise during compilation.
LOG:
[INFO] [launch]: All log files can be found below [...]
[INFO] [launch]: Default logging verbosity is set to INFO
ign_args is deprecated, migrate to gz_args!
[INFO] [ruby $(which ign) gazebo-1]: process started with pid [107055]
[INFO] [parameter_bridge-2]: process started with pid [107057]
[INFO] [robot_state_publisher-3]: process started with pid [107060]
[INFO] [joint_state_publisher-4]: process started with pid [107063]
[INFO] [robot_state_publisher-5]: process started with pid [107065]
[INFO] [static_transform_publisher-6]: process started with pid [107067]
[INFO] [create-7]: process started with pid [107069]
[...]
[create-7] [ros_ign_gazebo] is deprecated! Redirecting to use [ros_gz_sim] instead!
[create-7]
[create-7] Invalid partition name
[create-7] [INFO] [1686673624.014756704] [ros_gz_sim]: Requesting list of world names.
[create-7] Service [/gazebo/worlds] is not valid.
[create-7] [INFO] [1686673624.015201605] [ros_gz_sim]: Requesting list of world names.
[create-7] Service [/gazebo/worlds] is not valid.
[create-7] [INFO] [1686673624.015302370] [ros_gz_sim]: Requesting list of world names.
[create-7] Service [/gazebo/worlds] is not valid.
[create-7] [INFO] [1686673624.015370684] [ros_gz_sim]: Requesting list of world names.
[create-7] Service [/gazebo/worlds] is not valid.
ERROR:
The following commands repeat on loop (and gazebo gui does shows pop up with not responding message) when launching turtlebot4_ignition.launch.py:
[create-7] [INFO] [1686673624.015370684] [ros_gz_sim]: Requesting list of world names.
[create-7] Service [/gazebo/worlds] is not valid.
Sometimes a message appear on terminal: GUI requesting list of world names. The server may be busy downloading resources. Please be patient.
I have waited for 30min and nothing changes, I have also disabled my firewall in case but it is not the solution.
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