Spring @Transactional(readOnly = true) with JPA: Engineering Trade-Offs
Marking a Spring service method read-only can skip Hibernate flushes, but it is a hint, not a security boundary. Learn where it works and where it fails.
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hibernateChoosing Between Constructor and Setter Injection in Spring
A technical guide on choosing between Constructor and Setter injection in Spring, focusing on immutability, circular dependency detection, and architectural best practices.
spring@Async TaskExecutor transition to bounded queue timeout handling
Task Execution Resource Management Spring Framework's @Async functionality relies on a TaskExecutor to manage asynchronous workloads. While SimpleAsyncTaskExecutor is available, it does not support bounded queues, which can lead to resource exhaustion during high-load spikes. p>Transitioning to ThreadPoolTaskExecutor allows for the definition of corePoolS
RequestScope bean leak in Singleton beans via ScopedTargetProxy
When injecting Request-scoped beans into long-lived Singleton beans, Spring typically utilizes a ScopedTargetProxy to manage the lifecycle mismatch. While this allows the singleton to reference the proxy, memory leaks can occur if the underlying request context is not properly cleared after the HTTP request completes. In high-concurrency environments using c
WebClient DNS caching behavior and TTL inconsistency
Spring WebClient delegates network operations to the underlying Reactor Netty HttpClient. While the JVM provides global DNS caching controls via system properties, different HTTP client implementations may handle DNS Time-To-Live (TTL) and record expiration independently of the standard JVM settings. When deploying in dynamic environments where service IP ad