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spring boot

2020-07-01 16:09:00   0  举报

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Spring boot 启动过程

spring boot

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SpringApplication#run

getRunListeners() 查询 SpringApplicationRunListener

getSpringFactoriesInstances -> SpringApplicationRunListener

listeners.starting()

ApplicationStartingEvent

LoggingApplicationListener

BackgroundPreinitializer

DelegatingApplicationListener

LiquibaseServiceLocatorApplicationListener

prepareEnvironment()

getOrCreateEnvironment

new StandardServletEnvironment()

configureEnvironment

listeners.environmentPrepared(environment)

ApplicationEnvironmentPreparedEvent

BootstrapApplicationListener

LoggingSystemShutdownListener

ConfigFileApplicationListener

加载配置信息

加载apollo 配置

ApolloApplicationContextInitializer#postProcessEnvironment

ConfigService#getConfig

DefaultConfigManager#getConfig

DefaultConfigFactory#create

RemoteConfigRepository#sync http请求apollo 服务器

配置更新 = 定时拉取 + 长轮询

子主题

LoggingApplicationListener

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bindToSpringApplication

printBanner(environment) 打印 banner

createApplicationContext() 创建应用上下文

prepareContext()

listeners.contextPrepared(context)

ApplicationContextInitializedEvent

listeners.contextLoaded(context)

ApplicationPreparedEvent

refreshContext()

AbstractApplicationContext#refresh

prepareRefresh

obtainFreshBeanFactory

prepareBeanFactory

postProcessBeanFactory

invokeBeanFactoryPostProcessors

registerBeanPostProcessors

initMessageSource

initApplicationEventMulticaster

onRefresh

registerListeners

finishBeanFactoryInitialization

finishRefresh  eureka 注册 & 拉数据

clearResourceCaches

initLifecycleProcessor

getLifecycleProcessor().onRefresh()

publishEvent

LiveBeansView.registerApplicationContext(this)

startWebServer()

afterRefresh()

listeners.started(context)

ApplicationStartedEvent

listeners.running(context)

ApplicationReadyEvent

SpringApplicationRunListener#failed()

ApplicationFailedEvent

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Get Started

Spring boot源码

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Get Started

boot_alloc

spring boot 核心清单

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Get Started

spring boot 核心清单

架构设计、系统架构、微服务、分布式、spring、spring boot、spring cloud

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Get Started

架构设计、系统架构、微服务、分布式、spring、spring boot、spring cloud

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