During Spring Project startup, with each additional
BeanPostProcessor, all beans will go through methods
postProcessBeforeInitialization & postProcessAfterInitialization.

so by default, these BeanPostProcessor are not registered by default. unless we explictly add annotation like Enable*, then respective BeanPostProcessor will be registered.

Let’s see some examples.

On-Going…

Regarding:

• Does Flow need Abstraction
• Throw Exception or Return Status value
• Custom Exception
• Use Transaction
• Retry/Re-Processing

香港，银行间转账场景。HKITL (Hong Kong Interbank Clearing Limited) 提供了两种清结算方式。CHATS 和 FPS。

中国，银行间转账场景。

my initial understanding of system resilience.

good news is from the spring framework itself, we have these resilience capabilities.

As of 7.0, the core Spring Framework includes a couple of common resilience features,
in particular @Retryable and @ConcurrencyLimit annotations for method invocations.

another good resource is resilience4j.