Enterprise Java
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Getting Started with the Apache Paimon Java API
Apache Paimon is an open-source data lake storage framework designed to manage large-scale analytical datasets efficiently. It enables organizations to…
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How Spring Proxies Actually Work — And the Four Cases Where They Silently Don’t
A deep-dive into how @Transactional, @Cacheable, and @Async use CGLIB or JDK dynamic proxies — and the four well-known failure…
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Spring’s ApplicationContext Startup Is Slower Than You Think:Fix It With AOT and Lazy Init
A forensic diagnostic of where startup time actually goes — BeanFactory, condition evaluation, component scan, proxy generation — which knobs…
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Bean Background Initialization in Spring Boot
Spring Boot is well known for its fast startup and powerful auto-configuration capabilities, enabling developers to build production-ready applications with…
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Building Idempotent Java Consumers for Replay-Safe Kafka Pipelines
Fast Kafka consumers are not automatically safe Kafka consumers. A Java service can keep up with partitions, restart cleanly, and…
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Jakarta EE 11 Under the Hood: What Spring Boot 4 Inherits and What It Ignores
Spring Boot 4 has understandably grabbed most of the headlines in the Java ecosystem. However, underneath the excitement around Spring’s…
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Markdown Rendering with commonmark-java
Markdown has become the de facto standard for writing documentation, technical blogs, README files, knowledge bases, and collaborative content. While…
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Spring Modulith 2.0: Enforcing Module Boundaries Before Microservices
Most Java teams hit a wall sooner or later. The monolith that felt manageable at launch gradually turns into a…
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Kafka Without ZooKeeper (KRaft): What Java Developers Actually Need to Reconfigure
For over a decade, running Apache Kafka in production meant running two distributed systems simultaneously. Kafka handled message streaming; ZooKeeper…
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