Master Spring Boot Interceptors: From Basics to Advanced Techniques

This article explains what Spring MVC interceptors are, when to use them, provides a simple implementation and registration example, and then dives into advanced patterns such as MappedInterceptor, global interceptors, and asynchronous interceptors with complete code snippets and usage guidance.

BackendTutorialasync

0 likes · 8 min read

Master Spring Boot Interceptors: From Basics to Advanced Techniques

Code Ape Tech Column

Mar 14, 2022 · Backend Development

Resolving Context Loss in Asynchronous openFeign Calls Using RequestContextHolder

This article explains why asynchronous openFeign calls trigger Sentinel fallback due to missing request context, and provides a practical solution that copies the main thread's RequestAttributes into async threads to preserve JWT tokens and other headers.

OAuth2RequestContextHolderasync

0 likes · 6 min read

Resolving Context Loss in Asynchronous openFeign Calls Using RequestContextHolder

macrozheng

Mar 4, 2022 · Backend Development

Why Misusing Spring @Async Can Crash Your System – and How to Avoid It

This article reveals how creating a new thread pool for each @Async method in Spring can exhaust system resources, explains Spring Boot’s default executor behavior, shows code examples, and offers practical guidance to prevent thread‑pool related crashes in Java backend applications.

BackendThreadPoolasync

0 likes · 7 min read

Why Misusing Spring @Async Can Crash Your System – and How to Avoid It