Pricing
00
Guided beta casebeginnerLifecycle

The goal is accepted but the robot never moves

Activate the required server without restarting the simulation.

Pairs with Architecture and lifecycle in Nav2 Incident Response. Read the concept first, then diagnose it here.

Open repair workspace

Operator report

NavigateToPose accepts a goal, planner returns a path, and `/cmd_vel` remains silent.

Ubuntu 24.04, ROS 2 Jazzy, Nav2, Gazebo Harmonic, warehouse mission simulator

01

System boundary

Trace only the relevant path.

3 nodes
  1. 01BT navigator→
  2. 02controller server→
  3. 03/cmd_velOUT
02

How this lab works

You diagnose it. No command list.

Open the repair workspace and gather your own evidence in a real terminal. No diagnostic commands are handed to you - finding the fault is the exercise. Stuck? Progressive hints unlock inside the workspace.

03

Verification

Pass more than the visible symptom.

4 checks
  • Controller reaches active
  • cmd_vel publishes
  • Hidden regression behavior
  • Root cause explanation