Gazebo not running "No protocol specified"

asked 2020-07-08 08:16:59 -0500

desmond13 gravatar image

Hi, I was able to use gazebo in a docker container. At some point now I get the following error when trying to launch gazebo standalone

(I am using Gazebo multi-robot simulator, version 9.13.1 and ROS Melodic with Ubuntu 18.04)

I run gazebo

I get

No Protocol Specified

No Protocol Specified

No Protocol Specified

Then the command exits.

Could you help me understand what is going on?

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