Do ApplicationStartedEvent and ContextStartedEvent Differ in Spring Boot?
This article explains the differences between ApplicationStartedEvent and ContextStartedEvent in Spring Boot, clarifies their inheritance hierarchy, and lists the key events provided by Spring Boot, highlighting that ContextStartedEvent is not used in the framework.
In Spring Boot, the event mechanism redefines several events separate from core Spring. Both ApplicationStartedEvent and ContextStartedEvent inherit from SpringApplicationEvent, which itself extends ApplicationEvent, making them peer events.
Spring Boot does not use ContextStartedEvent; instead it provides the following events:
ApplicationStartingEvent
ApplicationEnvironmentPreparedEvent
ApplicationPreparedEvent
ApplicationStartedEvent <= newly added
ApplicationReadyEvent
ApplicationFailedEventSigned-in readers can open the original source through BestHub's protected redirect.
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Programmer DD
A tinkering programmer and author of "Spring Cloud Microservices in Action"
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