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dynamic_reconfigure unable to (re)load dumped parameters

This happens when I dump and immediately try to load parameters for a node:

Hydro$rosrun dynamic_reconfigure dynparam dump /left_sa_camera_driver left_sa_camera_driver.yaml 
Hydro$rosrun dynamic_reconfigure dynparam load /left_sa_camera_driver left_sa_camera_driver.yaml 
error updating parameters: don't know parameter: groups
Hydro$

left_sa_camera_driver is a nodelet running in a nodelet manager together with other nodelets in this use-case. Otherwise, dynamicreconfigure seems (largely) to work. I can change parameters via rqtreconfigure, but some of them occasionally inexplicably oscillate between two different settings. Any hints on what might be the problem are appreciated.

Setup is Ubuntu 12.04/Hydro from .debs/AMD64

Asked by Stefan Kohlbrecher on 2014-07-01 13:29:26 UTC

Comments

Why was this closed? This is still in 2019 a valid problem, whole 5 years later. Unbelievable that one can't dump a valid dynparam session and then load it again.

Asked by Hakaishin on 2019-08-06 03:05:52 UTC

Answers