1. [Parallel bean initialization during startup [SPR-8767] · Issue #13410 · spring-projects/spring-framework](https://github.com/spring-projects/spring-framework/issues/13410) 2. [Synchronization during singleton creation may result in deadlock · Issue #23501 · spring-projects/spring-framework](https://github.com/spring-projects/spring-framework/issues/23501) 3. [Revisit default lifecycle phases and timeouts (e.g. for ThreadPoolTaskScheduler) · Issue #32152 · spring-projects/spring-framework](https://github.com/spring-projects/spring-framework/issues/32152) 分析一下实现过程
分析一下实现过程