OpenTelemetry configuration gotchas Last week, I described several approaches to OpenTelemetry on the JVM, their requirements, and their different results. This week, I want to highlight several gotchas found across stacks in the zero-code instrumentation. The promise of OpenTelemetry Since its inception, OpenTelemetry has unified the 3 pillars of observability. In the distributed tracing space, it replaced proprietary protocols Zipkin and Jaeger. IMHO, it achieved such success for several reasons: First, a huge industry press
https://blog.frankel.ch/opentelemetry-gotchas/

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Static ObjectMapper in Java: Performance and Design Considerations Jackson’s ObjectMapper is a versatile and flexible tool for JSON processing in Java. However, how you manage its lifecycle, whether as a static field, singleton bean or per-use instance, can significantly impact your application’s performance, maintainability and thread safety. This article will explore the implications of using ObjectMapper as a static field and outline best …
https://www.javacodegeeks.com/....static-objectmapper-

GitOps for Java Developers: Automating Deployments with ArgoCD and Kubernetes Let’s face it—most Java developers are great at writing code but find Kubernetes deployments and infrastructure automation a bit daunting. GitOps changes the game by turning deployment into a version-controlled, auditable, and reproducible process—just like your code. This article introduces GitOps from a Java developer’s perspective. You’ll learn how to: Use Git as your single …
https://www.javacodegeeks.com/....2025/08/gitops-for-j