原文链接：https://www.jianshu.com/p/b5fd0f3285e7
public void onApplicationEvent(ContextClosedEvent contextClosedEvent) {
HealthCheckController.status = ContainerStatus.YELLOW;
logger.info("睡眠10s,等待tengine踢出当前web服务");
try {
TimeUnit.SECONDS.sleep(10);
} catch (InterruptedException e) {
e.printStackTrace();
}
logger.info("准备关闭容器，先关闭线程!");
this.connector.pause();
Executor executor = this.connector.getProtocolHandler().getExecutor();
if (executor instanceof ThreadPoolExecutor) {
try {
ThreadPoolExecutor threadPoolExecutor = (ThreadPoolExecutor) executor;
threadPoolExecutor.shutdown();
if (!threadPoolExecutor.awaitTermination(waitTime, TimeUnit.SECONDS)) {
logger.warn("Tomcat thread pool did not shut down gracefully within " + waitTime
+ " seconds. Proceeding with forceful shutdown");
}
} catch (InterruptedException ex) {
Thread.currentThread().interrupt();
}
}
}
}
public class Test {
private static Logger logger = LoggerFactory.getLogger(Test.class);
private static String url = "http://www.maple.td/check";
public static void main(String[] args) {
System.setProperty("java.net.preferIPv4Stack", "true");
ExecutorService service = Executors.newFixedThreadPool(10);
for (int i = 0; i < 2; i++) {
service.execute(() -> {
try {
execute();
} catch (InterruptedException e) {
e.printStackTrace();
}
});
}
}
private static void execute() throws InterruptedException {
int i = 0;
while (true) {
Thread.sleep(10);
i++;
try {
List<NameValuePair> pairs = new ArrayList<>(4);
ResponseResult postResult = null;
postResult = poolPost(url, pairs);
String response = postResult.getContent();
//利于展示，根据路由到的web服务ip对response以不同颜色区分打印
String sub = response.substring(response.indexOf("[") + 1, response.indexOf("]"));
//api1
if (s.equals("172.22.0.2")) {
System.err.println("response: " + response);
} else {
logger.info("response: " + response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
private static ResponseResult poolPost(String uri, List<NameValuePair> arguments) throws Exception {
// 通过 httpclient 或者其他方式请求指定url，这里省略代码
}
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