Field notes on routes, error handling, and upgrades.
September 14, 2026 · RouteRangers
Three supported ways to run Camel 4 on Kubernetes, and the operational trade-offs that actually decide it: startup and memory, build pipeline, operator dependency, and who carries the pager.
Read moreSeptember 11, 2026 · RouteRangers
Most Camel test suites either mock nothing and need a live broker, or mock everything and prove nothing. A layered approach: unit tests with AdviceWith and mock endpoints, integration tests with Testcontainers, and what belongs in neither.
Read moreSeptember 10, 2026 · RouteRangers
Traces show you where a message went; metrics tell you whether the estate is healthy. How to wire OpenTelemetry and Micrometer into Camel 4 without drowning in spans.
Read moreAugust 10, 2026
ESB exits fail at the cutover, not the rebuild. The method that works: full interface inventory, pattern mapping, parallel runs with daily reconciliation, and boring cutovers.
Read moreJuly 13, 2026
Every real delivery guarantee rounds to at-least-once, so duplicates will arrive. Choosing idempotency keys, repositories, and eager semantics that hold up.
Read more