Tag: java

All the articles with the tag "java".

• Async context propagation improvements in Spring Boot 4.1

  2 Mar, 2026

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  Spring Boot 4.1 improves how Micrometer observation context, security context, and MDC values carry over to async threads. Learn why context used to get lost, what changed, and how to configure it.

• Fine-grained Jackson configuration in Spring Boot 4.1

  2 Mar, 2026

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  Spring Boot 4.1 adds dedicated spring.jackson.read.* and spring.jackson.write.* properties so you can control serialization and deserialization separately without touching Java code. Here's what changed and how to use it.

• JmsClient in Spring Boot 4.x for cleaner messaging code

  2 Mar, 2026

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  Spring Boot 4.x adds auto-configuration for JmsClient, a modern alternative to JmsTemplate with a fluent API. Learn what made the old approach painful, what changed, and how to migrate.

• RestTestClient in Spring Boot 4.x for cleaner HTTP tests

  2 Mar, 2026

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  Spring Boot 4.x introduces RestTestClient to simplify integration testing for HTTP endpoints. Learn what made testing friction-heavy before, what changed, and how to migrate your test setup.

• OpenTelemetry starter in Spring Boot 4.x for easier observability

  2 Mar, 2026

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  Spring Boot 4.x adds a dedicated OpenTelemetry starter to reduce manual telemetry setup. This post covers old pain points, what changed, and how to migrate safely.