Field notes on routes, error handling, and upgrades.
August 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 moreJune 15, 2026
Sometimes fifty lines of consumer code beat an integration framework — and sometimes hand-rolled mediation costs you dearly. A working decision framework.
Read moreMay 11, 2026
Camel 2 is end of life and Camel 4 is where fixes land. The staged upgrade path we use: inventory, tests first, the 3.x hop, the Java 17 step, and slice-by-slice rollout.
Read moreApril 14, 2026
Camel's default error handler does no redelivery at all. How to design dead letter channels, redelivery policies, and exception carve-outs that hold up when things break.
Read more