ros2 runtime_error ai_generated true

Transition is not registered: current state 'unconfigured' goal state 'active'

ID: ros2/lifecycle-transition-error

Also available as: JSON · Markdown
85%Fix Rate
88%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
2 active — — —

Root Cause

Lifecycle node transition attempted in wrong order. Must follow unconfigured->inactive->active sequence.

generic

Workarounds

  1. 95% success Follow the lifecycle transition sequence: configure then activate 
    ros2 lifecycle set /my_node configure && ros2 lifecycle set /my_node activate
  2. 88% success Use lifecycle launch events to trigger transitions automatically 
    RegisterEventHandler(OnStateTransition(...))
  3. 85% success Check current state before transitioning 
    ros2 lifecycle get /my_node

Dead Ends

Common approaches that don't work:

  1. Call activate() directly from unconfigured state 90% fail

    Lifecycle state machine requires configure->activate sequence; skipping configure is not allowed

  2. Use regular Node class and fake lifecycle callbacks 75% fail

    Loses lifecycle management integration with launch files and system managers