Thanks for looking!
Been trying to rectify this issue for the past few days to no avail.
**Background**
The differential drive robot project had been worked on using ros kinetic and gazebo7 but I've decided to upgrade gazebo to version 8 as I wanted to use the animation with collision features in the newer version.
**Problem**
Launching, exploration, gmapping, karto, SLAM etc all worked flawlessly on Gazebo 7. However after upgrading to gazebo 8, launching gmapping and numerous other mapping packages all caused TF_OLD_DATA error to appear.
use_sim_time has already been set to true however the time for left/right wheel and base_footprint seems to be using real time and causing this error. I've tried and failed at rectifying this.
Initially I thought there might be problems during the upgrade so I tried:
1. Downgrading back to Gazebo7 and everything works flawlessly as expected
2. Reinstalling ROS & Gazebo8, same error persists
3. Fresh install of ubuntu on a separate computer, same error appears
the pdf of tf_tree: https://drive.google.com/open?id=1_Fz_As-_bu9ZYIlJUwo7EB86DM6my0cw
I've chanced across the Servicesim robot and environment (https://bitbucket.org/osrf/servicesim) and installed it on the system with fresh install to test as the package was developed on ROS kinetic and gazebo8. However, the exact same errors TF_OLD_DATA appeared.
Has anyone had similar issues and how did you go about resolving it?
Ubuntu: Ubuntu 16.04.5 LTS
Ros: Kinetic
Gazebo: 8.6
> [ WARN] [1538679919.286044394, 259.524000000]: TF_OLD_DATA ignoring data from the past for frame base_footprint at time 9,16483e+08 according to authority unknown_publisher
Possible reasons are listed at http://wiki.ros.org/tf/Errors%20explained>[ WARN] [1538679919.286314075, 259.524000000]: TF_OLD_DATA ignoring data from the past for frame right_wheel_link at time 8,9977e+08 according to authority unknown_publisher
Possible reasons are listed at http://wiki.ros.org/tf/Errors%20explained>[ WARN] [1538679919.286517726, 259.524000000]: TF_OLD_DATA ignoring data from the past for frame left_wheel_link at time 8,9977e+08 according to authority unknown_publisher
Possible reasons are listed at http://wiki.ros.org/tf/Errors%20explained
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