#spring-boot

2 posts

Tech Feb 7, 2026

Understanding Tracing (1) – From the History of Observability to the Spring Ecosystem (feat. OTel)

Why the three pillars of observability need distributed tracing, the history from Zipkin B3 through the OpenTracing/OpenCensus split to the OpenTelemetry merger, and where the Spring ecosystem stands today.
Tech Jan 3, 2026

The one-indexed-parameters Trap in Spring Boot: Why @PageableDefault Should Still Be Set to 0

Enable one-indexed-parameters and @PageableDefault(page = 1) suddenly points at the second page — tracing the cause through the Spring Data source code and tests, and pinning down the correct usage.