All Labs
Tier 02 · Developer · Lab 27
Mesh Debugging Pipeline — Cascading Failure
Diagnose and fix a cascading routing failure using the five-step mesh debugging methodology.
Developer Tier — Five-Step Mesh Debugging
Step 1: Identify Symptom
Map the observed failure to a subsystem
Step 2: Extract Trace
Pull all events by correlation ID
Step 3: Map to Subsystem
Identify which adapter caused the failure
Step 4: Diagnose Root Cause
Determine why the adapter rejected
Step 5: Fix & Verify
Apply fix and re-run successfully
A mesh-native chat app failed to deliver. The symptom is a FAILED delivery event. Extract the trace by correlation ID to see all events.
Lab progress
✓
Method
2
Extract
3
Diagnose
4
Fix
5
Submit