# \[Bug\] Ignition to ROS Bridge not working

**URL:** <https://get-help.theconstruct.ai/t/bug-ignition-to-ros-bridge-not-working/29040>\
**Category:** Introduction to Gazebo Sim with ROS2\
**Created:** [February 23, 2024, 7:54am UTC](https://get-help.theconstruct.ai/t/bug-ignition-to-ros-bridge-not-working/29040 "2024-02-23T07:54:44Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![girishkumar.kannan](https://get-help.theconstruct.ai/user_avatar/get-help.theconstruct.ai/girishkumar.kannan/32/6994_2.png) [@girishkumar.kannan](https://get-help.theconstruct.ai/u/girishkumar.kannan)\
**Post date:** [February 23, 2024, 8:08am UTC](https://get-help.theconstruct.ai/t/bug-ignition-to-ros-bridge-not-working/29040/3 "2024-02-23T08:08:20Z")

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Hi @jkel.1996 ,

Welcome to this Community!

It is working fine for me I tested it just now.

I think you are not following instructions properly.

Subscribers do not print out any messages unless any topic publishes to that subscription topic.

Please read the instructions carefully:

1. You need to start the bridge.
2. You need to subscribe to ROS2 topic.
3. You then publish into the Gazebo topic with a Publisher.

**EDIT: THIS IS NOT A BUG !**  
This is the way the course is designed.  
Not every single command will immediately produce an output on the screen.

Regards,  
Girish

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_[View the full topic](https://get-help.theconstruct.ai/t/bug-ignition-to-ros-bridge-not-working/29040)._