Java Tech Workshop

Jun 16, 2026 · Backend Development

How Spring’s Third‑Level Cache Resolves Circular Dependencies

The article explains Spring’s three kinds of circular dependencies, the role of the first, second, and third‑level caches in the DefaultSingletonBeanRegistry, how the third‑level cache works with AOP proxies, why constructor injection cannot be solved, the @Lazy workaround, and the hidden bugs and best‑practice recommendations.