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Ros2 Galactic Nav2 - /scan offering incompatible QoS

asked 2021-12-11 20:34:47 -0500

Manirajan gravatar image

updated 2022-02-08 12:48:11 -0500

shonigmann gravatar image

Hello, Got below messages while trying Nav2 setup and rviz didnt show the scan

New subscription discovered on topic '/scan', requesting incompatible QoS. No messages will be sent to it. Last incompatible policy: RELIABILITY_QOS_POLICY

[rviz2-5] [WARN] [1639275375.691911822] [rviz2]: New publisher discovered on topic '/scan', offering incompatible QoS. No messages will be sent to it. Last incompatible policy: RELIABILITY_QOS_POLICY

[gazebo-1] [WARN] [1639275575.651314019] [depth_camera_controller]: New subscription discovered on topic '/depth_camera/image_raw', requesting incompatible QoS. No messages will be sent to it. Last incompatible policy: RELIABILITY_QOS_POLICY

[rviz2-5] [INFO] [1639275575.682572775] [rviz2]: Stereo is NOT SUPPORTED

[rviz2-5] [WARN] [1639275575.697367400] [rviz2]: New publisher discovered on topic '/depth_camera/image_raw', offering incompatible QoS. No messages will be sent to it. Last incompatible policy: RELIABILITY_QOS_POLICY
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answered 2021-12-16 16:39:47 -0500

You need to change the QoS in Rviz to best effort, since it uses sensor data QoS.

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I am just gonna add that this is done in the side panel, under the Topic -> Reliability Policy parameter. https://github.com/ros-visualization/...

kurshakuz gravatar image kurshakuz  ( 2022-02-02 16:14:01 -0500 )edit

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Asked: 2021-12-11 20:34:47 -0500

Seen: 483 times

Last updated: Feb 08