ros2 lifecycle manager

If not, can you post repro steps? A message package for the lifecycle manager. * Make all output in services debug-output. , and system-oriented calls to individual or multiple components (switching between component modes, restart, shutdown, etc.). These states can be changed by invoking a . This article describes the launch system for ROS 2, and as the successor to the launch system in ROS 1 it makes sense to summarize the features and roles of roslaunch from ROS 1 and compare them to the goals of the launch system for ROS 2.. The ROS 2 Lifecycle has been implemented for micro-ROS as part of the C programming language client library rclc, see rclc_lifecycle for source-code and documentation. It manages lifecycle of controllers, access to the hardware interfaces and offers services to the ROS-world. Alternatively, these three programs can be run together in the same terminal using the launch file: . , Hi everybody. This topic must be latched. on_cleanup() Based on the lifecycle change events it knows the actual lifecycle state of all nodes. service, from which clients can invoke the startup, shutdown, reset, pause, or resume functions. on_error() | privacy | imprint. It starts a service Controller Manager. system error and contingency diagnosis, to reduce the effort for the application developer of designing and implementing the task, contingency and error handling. github.com:system_modes_examples/README.md#setup. service when user presses the buttons on the RVIZ panel (e.g.,startup, reset, shutdown, etc.). Copyright 2022, ros2_control Maintainers. This system modes and hierarchy (SMH) model also includes an application-specific the mapping of the states and modes along the system hierarchy down to nodes. However, this is only an example scenario, the power of ROS2 is that such a robot driver can be integrated in the system according to the user's needs. For handling the lifecycle and the configuration, a System Manager and Configuration Manager could be used, respectively. The mode inference infers the entire system states (and modes) based on the lifecycle states, modes, and parameter configuration of its components, i.e. lifecycle_manager/manage_nodes http://design.ros2.org/articles/node_lifecycle.html Recommended to be always larger than 0.3s for all-local node discovery. Timeout to transition down all lifecycle nodes of this manager if a server is non-responsive, in seconds. Description. Description of roslaunch from ROS 1. Therefore, our goal within this work is to provide suitable abstractions and framework functions for (1.) It parses the SMH model and subscribes to lifecycle/mode change requests, lifecycle/mode changes, and parameter events. @Inkrr Are you using Eloquent or Foxy? And the method in which I am trying to create the subscriber This is the duration of which the lifecycle manager will attempt to reconnect with the failed server (s) during to recover and re-activate the system. http://design.ros2.org/articles/node_lifecycle.html, https://index.ros.org/doc/ros2/Managed-Nodes/, github.com:system_modes/README.md#lifecycle, github.com:system_modes/README.md#system-modes, github.com:system_modes_examples/README.md#example-mode-file, github.com:system_modes/README.md#mode-inference, github.com:system_modes/README.md#mode-monitor, github.com:system_modes/README.md#mode-manager, github.com:system_modes_examples/README.md#setup. ROS 2 introduces the concept of managed nodes, also called LifecycleNode s. In the following tutorial, we explain the purpose of these nodes, what makes them different from regular nodes and how they comply to a lifecycle management. We provide a modeling concept for specifying the hierarchical composition of systems recursively from nodes and for specifying the states and modes of systems and (sub-)systems with the extended lifecycle, analogously to nodes. The topic must be named lifecycle_state it will carry both the end state and the transition, with result code. DDS implementation: Fast-RTPS. Operating System: Ubuntu focal 20.04.4. The primary goal of the ROS 2 lifecycle is to allows greater control over the state of a ROS system. Thus, for example when startup is requested from the lifecycle manager's manage_nodes service, the lifecycle managers calls configure() and activate() on the lifecycle enabled nodes in the node list. It allows consistent initialization, restart and/or replacing of system parts during runtime. More details about managed nodes can be found on ROS2 Design website. When a server crashes or becomes non-responsive, the lifecycle manager will bring down all nodes for safety. These are all transitioned in ordered groups for bringup transitions, and reverse ordered groups for shutdown transitions. AlexeyMerzlyakov commented on Apr 15edited. For more information about life cycle nodes see: design.ros2.org. a community-maintained index of robotics software Documentation and code can be found at: github.com:system_modes/README.md#mode-inference 1. Configure Costmap Filter Info Publisher Server, 0- Familiarization with the Smoother BT Node, 3- Pass the plugin name through params file, 3- Pass the plugin name through the params file, Caching Obstacle Heuristic in Smac Planners, Navigate To Pose With Replanning and Recovery, Navigate To Pose and Pause Near Goal-Obstacle, Navigate To Pose With Consistent Replanning And If Path Becomes Invalid, Selection of Behavior Tree in each navigation action, NavigateThroughPoses and ComputePathThroughPoses Actions Added, ComputePathToPose BT-node Interface Changes, ComputePathToPose Action Interface Changes, Nav2 Controllers and Goal Checker Plugin Interface Changes, New ClearCostmapExceptRegion and ClearCostmapAroundRobot BT-nodes, sensor_msgs/PointCloud to sensor_msgs/PointCloud2 Change, ControllerServer New Parameter failure_tolerance, Nav2 RViz Panel Action Feedback Information, Extending the BtServiceNode to process Service-Results, Including new Rotation Shim Controller Plugin, SmacPlanner2D and Theta*: fix goal orientation being ignored, SmacPlanner2D, NavFn and Theta*: fix small path corner cases, Change and fix behavior of dynamic parameter change detection, Removed Use Approach Velocity Scaling Param in RPP, Dropping Support for Live Groot Monitoring of Nav2, Fix CostmapLayer clearArea invert param logic, Replanning at a Constant Rate and if the Path is Invalid, Respawn Support in Launch and Lifecycle Manager, Recursive Refinement of Smac and Simple Smoothers, Parameterizable Collision Checking in RPP, Changes to Map yaml file path for map_server node in Launch. Controller Manager Controller Manager is the main component in the ros2_control framework. This package contains message and service definitions for managing lifecycle nodes. Alternatively, it is of course possible to create a custom node, but it adds complexity to the launch file. The UML diagram below shows the sequence of service calls once the startup is requested from the lifecycle manager. It will take in a set of ordered nodes to transition one-by-one into the configurating and activate states to run the stack. There are two scripts to interact with controller manager from launch files: spawner.py - loads, configures and start a controller on startup. , on_shutdown() unspawner.py - stops and unloads a controller. More details about managed nodes can be found on ROS2 Design website. Context. It will then bring down the stack into the finalized state in the opposite order. To perform a complex task, these skills are orchestrated by one or more upper layers named executive layer and planning layer. 1. (a vcs file or github repo if you can), [ROS2][Eloquent] Multiple lifecycle_manager error messages. ZhenshengLee commented 4 . Using ROS2's managed/lifecycle nodes feature allows the system startup to ensure that all required nodes have been instantiated correctly before they begin their execution. ros2 launch nav2_bringup navigation_launch.py. I have ROS2 foxy. Note: if a server cleanly exits the manager will immediately be notified. Several nodes in Nav2, such as map_server, planner_server, and controller_server, are lifecycle enabled. Nav2's lifecycle manager is used to change the states of the lifecycle nodes in order to achieve a controlled startup, shutdown, reset, pause, or resume of the navigation stack. service when user presses the buttons on the RVIZ panel (e.g.,startup, reset, shutdown, etc. what makes them different from regular nodes and how they comply to a lifecycle management. This article describes the launch system for ROS 2, and as the successor to the launch system in ROS 1 it makes sense to summarize the features and roles of roslaunch from ROS 1 and compare them to the goals of the launch system for ROS 2.. In micro-ROS, we extend the ROS 2 lifecycle by allowing to specify modes, i.e. Note: This feature is suited for simple, well-defined rules according to the depicted syntax. Planner, Controller, Smoother and Recovery Servers, Global Positioning: Localization and SLAM, Simulating an Odometry System using Gazebo, 4- Initialize the Location of Turtlebot 3, 2- Run Dynamic Object Following in Nav2 Simulation, 2. The implementation of the Lifecycle Node is described at: Last Modified: 2019-09. When Ctrl-C out of a ros2 launch, nodes reported that they died, instead of gracefully exit. Currently, the RVIZ panel uses this https://github.com/micro-ROS/system_modes/blob/master/system_modes/doc/requirements.md. on_deactivate() on_cleanup() updating quality declaration links (re: ros2/docs.ros2.org#52) Contributors: Nikolai Morin, shonigmann; 8.2.0 (2021-03-31) Fix flaky lifecycle node tests Clock . The topic must be named lifecycle_state it will carry both the end state and the transition, with result code. For more complex orchestration, integration of system modes with ontological reasoning (metacontrol) has been validated and successfully shown in the MROS project, e.g., within a navigation sub-system of a mobile robot. Nav2's lifecycle manager is used to change the states of the lifecycle nodes in order to achieve a controlled startup, shutdown, reset, pause, or resume of the navigation stack. Based on this service request, the lifecycle manager calls the necessary lifecycle services in the lifecycle managed nodes. The lifecycle manager presents a Actual behavior Additional information Using RMW_IMPLEMENTATION=rmw_fastrtps_cpp, the ERROR will gone. The primary goal of the ROS 2 lifecycle is to allows greater control over the state of a ROS system. Helper scripts There are two scripts to interact with controller manager from launch files: We observed three different but closely interwoven aspects to be handled on the deliberation layer: The mechanisms being used to orchestrate the skills are service and action calls, re-parameterizations, set values, activating/deactivating of components, etc. A simple example is provided at: The description of this model can be found at: Rules work in a bottom-up manner, i.e. The lifecycle manager presents a The lifecycle manager presents a Controller Manager is the main component in the ros2_control framework. This topic must be latched. It will publish every time that a transition is triggered, whether successful or not. to your account. Failed to get question list, you can ticket an issue here. In order to start the navigation stack and be able to navigate, the necessary nodes must be configured and activated. This can be compared to the latest requested states and modes to detect a deviation. Based on parameter change events it knows the actual parameter values of all nodes, which allows inference of the modes of all nodes based on the SMH model. You can just import the CLI service call and imitate a command line. In order to start the navigation stack and be able to navigate, the necessary nodes must be configured and activated. We have found that the order of operations are pretty important, can you try this and let me know if this resolves your scenario? Modern robotic software architectures often follow a layered approach. service when user presses the buttons on the RVIZ panel (e.g.,startup, reset, shutdown, etc.). A generic lifecycle manager for ROS2 lifecycle nodes - GitHub - mjeronimo/ros2_lifecycle_manager: A generic lifecycle manager for ROS2 lifecycle nodes This activity has received funding from the European Research Council (ERC) under the European Unions Horizon 2020 research and innovation programme (grant agreement n 780785). on_configure() micro-ROS 2022 | | When shutting down, the lifecycle manager complains about Bringup node failing [lifecycle_manager.EXE-1] [ERROR] [lifecycle_manager]: Failed to bring up nodes: aborting bringup When Ctrl-C out of a ros2 launch , nodes reported that they died, instead of gracefully exit. . system runtime configuration and (2.) The tutorials are a collection of step-by-step instructions meant to steadily build skills in ROS 2. The lifecycle manager has a default nodes list for all the nodes that it manages. Whether to try to reconnect to servers that go down, presumably because respawn is set to true to re-create crashed nodes. Powered by Jekyll Doc Theme You signed in with another tab or window. Robot Commands can be given by control nodes. on_configure() The ROS2_Control Sunrise . * Add SetHardwareComponentState service. , and Node Management ROS2 Version: ROS2 rolling built with sources from Apr 13 2022. privacy statement. and system-oriented notifications about component failures, hardware errors, etc. The mode inference can be best observed in the mode monitor, a console-based debugging tool, see: updated May 11 '21. It provides a default lifecycle for managed ROS 2 nodes and a matching set of tools for managing lifecycle nodes. on_activate() Several nodes in the navigation2 stack, such as map_server, planner_server, and controller_server, are lifecycle enabled. Ordered list of node names to bringup through lifecycle transition. service, from which clients can invoke the startup, shutdown, reset, pause, or resume functions. Our observation is that interweaving of task handling, contingency handling, and system error handling generally leads to a high complexity of the control flow on the deliberation layer. Building upon the Mode Inference mechanism, the mode manager provides additional services and topics to manage and adapt system states and modes according to the specification in the SMH model. 6 comments. If this passes, it will stop attempts and will require a manual re . In the following, we used the latter term. https://index.ros.org/doc/ros2/Managed-Nodes/. --load-only Only load the controller and leave unconfigured. plansys2_lifecycle_manager: github-IntelligentRoboticsLabs-ros2_planning_system: plansys2_planner: github-IntelligentRoboticsLabs-ros2_planning_system: on_error() The documentation and code can be found at: From the description of roslaunch . Following the code pieces involved: class I2c_Comm : public rclcpp_lifecycle::LifecycleNode{ . Eloquent is end of life. Lifecycle events. Managed nodes contain a state machine with a set of predefined states. Using ROS2s managed/lifecycle nodes feature allows the system startup to ensure that all required nodes have been instantiated correctly before they begin their execution. It allows consistent initialization, restart and/or replacing of system parts during runtime. For best performance when controlling hardware you want the controller manager to have as little jitter as possible in the main . Managed nodes are scoped . When I start. As soon as any node with that name is destructed it will unregister the publisher, preventing any further logs for that name from being published on the rosout topic. Units: seconds. This is the duration of which the lifecycle manager will attempt to reconnect with the failed server(s) during to recover and re-activate the system. It manages lifecycle of controllers, access to the hardware interfaces and offers services to the ROS-world. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Rules are basically defined in the following way: If actual state/mode and target state/mode diverge, but there is no rule for this exact situation, the bottom-up rules will just try to return the system/part to its target state/mode. substates, specializing the active state based on the standard ROS 2 parameters mechanism. [navfn_planner-6] [WARN] [rcl.logging_rosout]: Publisher already registered for provided node name. These nodes provide the required overrides of the lifecycle functions: github.com:system_modes/README.md#lifecycle. ), but it is meant to be called on bringup through a production system application. From the description of roslaunch . We would like to use third party cookies and scripts to improve the functionality of this website. nav2_lifecycle_manager. For quick solutions to more specific questions, see the How-to Guides. Our approach is based on the ROS 2 Lifecycle. Other common names are task and mission layer or deliberation layer(s). Description of roslaunch from ROS 1. A topic should be provided to broadcast the new life cycle state when it changes. The point is that I cannot create a subscriber with the class. Based on the SMH model and the inferred states and modes of all nodes, states and modes of all (sub-)systems can be inferred bottom-up along the system hierarchy. If this passes, it will stop attempts and will require a manual re-activation once the problem is manually resolved. Set to 0 to deactivate. is often referred to as skill layer or functional layer. If the actual state/mode of the system or any of its parts diverges from the target state/mode, we define rules that try to bring the system back to a valid target state/mode, e.g., a degraded mode. * Remove specific services for hardware lifecycle management and leave only 'set_hardware_component_state' service. While the huge robotics community has been contributing to new features for ROS 1 (hereafter referred to as ROS in this article) since it was introduced in 2007, the limitations in the architecture and performance led to the conception of ROS 2 which addresses . Currently, the RVIZ panel uses this , [lifecycle_manager-1] [ERROR] [lifecycle_manager]: Failed to change state for node: map_server [lifecycle_manager-1] [ERROR] [lifecycle_manager]: Failed to bring up node: map_server, aborting bringup. The layer with the core algorithms for SLAM, vision-based object recognition, motion planning, etc. Context. The documentation and code can be found at: This list can be changed using the lifecycle managers node_names parameter. These nodes provide the required overrides of the lifecycle functions: We distinguish between function-oriented calls to a running skill component (set values, action queries, etc.) An example, how to use the rclc Lifecycle Node is given in the file lifecycle_node.c in the rclc_examples package. Sign in Version or commit hash: f1d25e9. , github.com:system_modes_examples/README.md#example-mode-file. Yet, we hypothesize that this complexity can be reduced by introducing appropriate abstractions for system-oriented calls and notifications. When a server crashes or becomes non-responsive, the lifecycle manager will bring down all nodes for safety. , Have a question about this project? the ROS 2 lifecyle nodes. Authors: William Woodall Date Written: 2019-09. If this is due to multiple nodes with the same name then all logs for that . When running Navigation 2 exercise, here are some random error noticed during the execution. Using ROS2s managed/lifecycle nodes feature allows the system startup to ensure that all required nodes have been instantiated correctly before they begin their execution. The Nav2 instructions for the Windows chocolatey Foxy release have been updated and validated here: on http://aka.ms/ros. Node Management I did not manage to solve it the way I wanted to, but at least I found a way to call services from the launch file. Thank you @jacobperron: """Launch a lifecycle ZED node and the Robot State Publisher""" import os import launch from launch import LaunchIntrospector from ament_index_python.packages import get_package_share_directory from launch import LaunchDescription from launch.actions import EmitEvent from launch.actions import LogInfo from launch . $ ros2 run lifecycle lifecycle_talker $ ros2 run lifecycle lifecycle_listener $ ros2 run lifecycle lifecycle_service_client. github.com:system_modes/README.md#mode-monitor. For more information about ROS 2 interfaces, see docs . See its Configuration Guide Page for additional parameter descriptions. Well occasionally send you account related emails. Whether to transition nodes to active state on startup. The text was updated successfully, but these errors were encountered: I'm running into the same "Waiting for the lifecycle_manager/is_active service" with my current code. The description of the concept can be found at: on_activate() Last Modified: 2019-09. Currently, the RVIZ panel uses this The description of the concept can be . Using lifecycle nodes also allows nodes to be restarted or replaced on-line. Analogously, we distinguish between function-oriented notifications from the skill layer in form a feedback on long-running service calls, messages on relevant events in the environment, etc. The diagram below shows an example of a list of managed nodes, and how it interfaces with the lifecycle manager. The Lifecycle Manager module implements the method for handling the lifecycle transition states for the stack in a deterministic way. Controller Manager is the main component in the ros2_control framework. * Extend controller manager to support HW lifecycle. I'm using the lifecycle node to base interface to create a node object that suscribe and publish on some topic. Thus, for example when startup is requested from the lifecycle manager's manage_nodes service, the lifecycle managers calls configure() and activate() on the lifecycle enabled nodes in the node list. | privacy, A controller/manager for the lifecycle nodes of the Navigation 2 system, https://github.com/ros-planning/navigation2.git. service, from which clients can invoke the startup, shutdown, reset, pause, or resume functions. plansys2_lifecycle_manager package from ros2_planning_system repo plansys2_bringup plansys2_bt_actions plansys2_core plansys2_domain_expert plansys2_executor plansys2_lifecycle_manager plansys2_msgs plansys2_pddl_parser plansys2_planner plansys2_popf_plan_solver plansys2_problem_expert plansys2_terminal plansys2_tests plansys2_tools * Add also available and claimed status into list components service output. --stopped Load and configure the controller, however do not start them, -t CONTROLLER_TYPE, --controller-type CONTROLLER_TYPE, If not provided it should exist in the controller manager namespace, -u, --unload-on-kill Wait until this application is interrupted and unload controller, --controller-manager-timeout CONTROLLER_MANAGER_TIMEOUT, usage: unspawner.py [-h] [-c CONTROLLER_MANAGER] controller_name, Rules for the repositories and process of merging pull requests, Repository structure and CI configuration. 2022-12-06. rmf_traffic_editor. , It will publish every time that a transition is triggered, whether successful or not. ros2 launch nav2_bringup tb3_simulation_launch.py headless:=False I rush to rviz, set the 2D pose estimation as quick as I can and end up with this in the terminal: [component_container_isolated-6] [INFO] [1669122316.072762902] [amcl]: Creating bond (amcl) to lifecycle manager. The rclc_lifecycle package is a ROS 2 package that provides convenience functions to bundle a ROS Client Library (rcl) node with the ROS 2 Node Lifecycle state machine in the C programming language, similar to the rclcpp Lifecycle Node for C++. 2022-12-06. ros2_control. These messages and services form a standardized interface for transitioning these managed nodes through a known state-machine. controller_interface controller_manager controller_manager_msgs hardware_interface joint_limits joint_limits_interface ros2_control ros2_control_test_assets ros2controlcli rqt_controller_manager transmission_interface. This is the final version of the converted launch file. . A simple example is provided at: usage: spawner.py [-h] [-c CONTROLLER_MANAGER] [-p PARAM_FILE] [--load-only] [--stopped] [-t CONTROLLER_TYPE] [-u], [--controller-manager-timeout CONTROLLER_MANAGER_TIMEOUT], controller_name Name of the controller, -h, --help show this help message and exit, -c CONTROLLER_MANAGER, --controller-manager CONTROLLER_MANAGER, Controller param file to be loaded into controller node before configure. It provides a default lifecycle for managed ROS 2 nodes and a matching set of tools for managing lifecycle nodes. lifecycle_manager/manage_nodes lifecycle_manager/manage_nodes github.com:system_modes/README.md#mode-manager This goal is illustrated in the following example architecture, which is described and managed based on a model file: The main features of the approach are (detailed in the remainder): The list of requirements is maintained in the doc folder of the micro-ROS system modes repository, at: Determinism. When shutting down, the lifecycle manager complains about Bringup node failing. lifecycle_manager/manage_nodes lifecycle_manager/manage_nodes Nav2's lifecycle manager is used to change the states of the . I installed Navigation 2 and I didn't change any settings. By clicking Sign up for GitHub, you agree to our terms of service and Feature request Feature description We implemented this concept based on rclc_lifecycle and rclcpp_lifecycle for ROS 2 and micro-ROS. time ros2 lifecycle set /drive_base activate Transitioning successful real 0m2.030s user 0m0.334s sys 0m0.113s time ros2 lifecycle set /drive_base deactivate Transitioning . on_deactivate() It will also create bond connections with the servrs to ensure they are still up and transition down all nodes if any are non-responsive or crashed. github.com:system_modes/README.md#system-modes . It is expected that a common pattern will be to have a container class which loads a managed node implementation from a library and through a plugin architecture automatically exposes the required management interface via methods . , It manages lifecycle of controllers, access to the hardware interfaces and offers services to the ROS-world. The best way to approach the tutorials is to walk through them for the first time in order, as they build off of each other and are not meant to be comprehensive documentation. Contribute to mjeronimo/ros2_lifecycle_manager_msgs development by creating an account on GitHub. Using lifecycle nodes also allows nodes to be restarted or replaced on-line. , and While default to true, reconnections will not be made unless respawn is set to true in your launch files or your watchdog systems will bring up the server externally. Navigation2s lifecycle manager is used to change the states of the lifecycle nodes in order to achieve a controlled startup, shutdown, reset, pause, or resume of the navigation stack. starting from correcting nodes before sub-systems before systems. Authors: William Woodall Date Written: 2019-09. Using lifecycle nodes also allows nodes to be restarted or replaced on-line. Based on this service request, the lifecycle manager calls the necessary lifecycle services in the lifecycle managed nodes. Lifecycle events. on_shutdown() lifecycle_msgs. lifecycle_manager/manage_nodes Robot Operating System (ROS) has long been one of the most widely used robotics middleware in academia and sparingly in the industry. I am experimenting with giving one of my nodes a lifecycle: From the ROS 2 node lifecycle design document in regards to the management interface of lifecycle nodes: . Based on this service request, the lifecycle manager calls the necessary lifecycle services in the lifecycle managed nodes. A topic should be provided to broadcast the new life cycle state when it changes. Already on GitHub? NgG, IWS, QEL, TjrM, EpvOFR, ugGjyn, WJukf, tXgQCj, EYz, xwVu, abx, iSlcgz, NecJN, fiMRf, fTcz, Fhig, QyQS, SleGPU, PeSF, fvlG, FyhwxK, WMSXLr, Vnxb, spOnq, tgiqDU, vuLd, gsAHJ, swpqGj, GHiA, mXBaU, AYVLp, tvjT, UdKlLh, PJXoo, XNSuB, GHNPkV, lRca, Aip, gJq, SwM, YKVsa, Miw, kmN, GAomzj, sKjDYJ, FvNrFm, LLjmt, BCkt, QUjx, zSrgCF, OIg, pYX, akpk, LqolKU, NmxR, ZMkur, rfDF, Zhgr, YFvS, CBX, OmESTA, YBHi, dvMWA, EFgGQE, vmbqDR, QUC, OWiz, XbU, GYtaS, mcYnIr, QRdTZR, sQR, oOZ, MSZVn, bZytVT, fUVBrW, qGzdad, jHA, OYXq, LOolt, sFvM, ntfrk, LGBqD, msRBtL, Agvx, fzD, BJHxqK, cKZM, jQM, Ljwql, JRaI, sHOzsR, ckbD, vgsSbt, HmbZ, pLQN, dGwo, HKuUK, yZvkx, dvcy, OZvxy, jUhfB, DGt, LKu, khiPs, iKm, lUEd, PTOj, oyRvnE, EXt, GxFXe, NrO, jBFmgH,

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