如何优雅的停止SpringBoot服务？

org.springframework.boot

spring-boot-starter-actuator

server.port=3333

management.endpoint.shutdown.enabled=true

management.endpoints.web.exposure.include=shutdown 

package com.hqs.springboot.shutdowndemo.bean;

import javax.annotation.PreDestroy;

publicclassTerminateBean{

 

@PreDestroy

publicvoid preDestroy() {

System.out.println("TerminalBean is destroyed");

}

}

package com.hqs.springboot.shutdowndemo.config;

import com.hqs.springboot.shutdowndemo.bean.TerminateBean;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

@Configuration

publicclassShutDownConfig{

@Bean

publicTerminateBean getTerminateBean() {

returnnewTerminateBean();

}

}

curl -X POST http://localhost:3333/actuator/shutdown

/* method 2: use ctx.close to shutdown all application context */

ConfigurableApplicationContext ctx = SpringApplication.run(ShutdowndemoApplication.class, args);

try{

TimeUnit.SECONDS.sleep(10);

} catch(InterruptedException e) {

e.printStackTrace();

}

ctx.close();

/* method 3 : generate a pid in a specified path, while use command to shutdown pid :

'cat /Users/huangqingshi/app.pid | xargs kill' */

SpringApplication application = newSpringApplication(ShutdowndemoApplication.class);

application.addListeners(newApplicationPidFileWriter("/Users/huangqingshi/app.pid"));

application.run();

/* method 4: exit this application using static method */

ConfigurableApplicationContext ctx = SpringApplication.run(ShutdowndemoApplication.class, args);

exitApplication(ctx);

publicstaticvoid exitApplication(ConfigurableApplicationContext context) {

int exitCode = SpringApplication.exit(context, (ExitCodeGenerator) () -> 0);

System.exit(exitCode);

}

package com.hqs.springboot.shutdowndemo.controller;

import org.springframework.beans.BeansException;

import org.springframework.context.ApplicationContext;

import org.springframework.context.ApplicationContextAware;

import org.springframework.context.ConfigurableApplicationContext;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.PostMapping;

import org.springframework.web.bind.annotation.RestController;

@RestController

publicclassShutDownControllerimplementsApplicationContextAware{

privateApplicationContext context;

@PostMapping("/shutDownContext")

publicString shutDownContext() {

ConfigurableApplicationContext ctx = (ConfigurableApplicationContext) context;

ctx.close();

return"context is shutdown";

}

@GetMapping("/")

publicString getIndex() {

return"OK";

}

@Override

publicvoid setApplicationContext(ApplicationContext applicationContext) throwsBeansException{

context = applicationContext;

}

}