Questions tagged [action-server]
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48 questions
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Action server with mutually exclusive group does not work as expected [ROS2 - Python]
Context
Hello, I recently wanted to implement a ros2 node (in rclpy) that manages multiple action servers. I wanted to make sure that only one action goal can be ...
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Does rclcpp contain code to handle deferred tasks in an action?
I'm trying to code a C++ action that contain an ACCEPT_AND_DEFER response. Currently, I code the queuing myself but I'm wondering if there is any functionnality in the ROS API that can help us achieve ...
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unable send goal to the ros2 action server more than once
i am unable to send goal to the ros2 action server more than once
here the code
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ROS 2 Action Server doesn't accept new goals after completing one mission
I'm working with a custom ROS 2 Action Server that coordinates a hybrid automaton. When a goal is received, the server triggers a set of services and continuously publishes feedback until a mission-...
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Knowing ROS2 node name from which the action goal is sent
I've a specific usecase where I would like to know from which node the action goal has received to the action server. I would like to limit my action server to receive goals from 2-3 specific action ...
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[ros2run]: Segmentation fault when trying to implement an action server in a Lifecycle node
I'm working with ROS2 Humble and I want to create an Action Server in a Lifecycle node. However, when I set the LN to configure state it says [ros2run].
How can I ...
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Waiting for an action server to become available after the first one has finished
When I run the same action a second time, after it finished successfully, it doesn't respond and outputs: Waiting for an action server to become available....
I ...
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Unable to get real-time data from topic when executing an action callback
Goal: I want to turn my robot using an IMU. Motors are moved by publishing in their related topics, and IMU data is read by subscribing to its topic. The turn is started by calling an action. The node ...
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ActionServer migration to ROS2
I want to migrate ActionServer from ROS1 to ROS2, however the Tutorial is minimal, can you please tell me how can I migrate the functionalities in the code below? thanks in advance.
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Action server does not receive goals after the first one has terminated
I'm on ROS2 Humble using python. I am building an node to process the feedback of the action server of a different node. Let's call the first node Tracker and the second one Detector.
Tracker ...
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ROS2 Iron: Action Servers Become Unresponsive After Modifying Collision Checking
I'm working on a ROS2 Iron project and have encountered a perplexing issue with my action servers. I've implemented collision checking modification without using MoveIt Task Constructor (which isn't ...
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How to Reject an Action Goal
when the goal_callback function in the Action Server returns GoalResponse.REJECT, instead of GoalResponse.ACCEPT, the Action Client hangs. How I can make client also gives rejection response to me?
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ROS2 using Python with CMakelists gives an error when importing custom message
Error:
ModuleNotFoundError: No module named 'my_server.action'; 'my_server' is not a package
I have the following structure:
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ROS Tutorial - Nothing happens when running "Writing an action server and client (C++)
I think I've followed the instructions for this ROS Tutorial and have the following files plus config file changes:
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Cancel request policy in ROS2 for specified goal id and timestamp seems odd
From the Action design doc:
https://github.com/ros2/design/blob/gh-pages/articles/actions.md
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