00
In productionintermediateComposition

The process runs but node creation failed

Restore the lifecycle manager node while preserving the other composable components.

Pairs with Evidence before editing in ROS 2 Systems Debugging. Read the concept first, then diagnose it here.

Open repair workspace

Operator report

The component container remains active, but `/lifecycle_manager` never appears.

Ubuntu 24.04, ROS 2 Jazzy, Python and C++ nodes, browser telemetry workspace

01

System boundary

Trace only the relevant path.

3 nodes
  1. 01component_container
  2. 02class loader
  3. 03lifecycle manager nodeOUT
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
  • Component loads
  • Lifecycle services respond
  • Hidden regression behavior
  • Root cause explanation