SpringBoot監控Tomcat活動線程數來判斷是否完成請求處理方式

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.embedded.tomcat.TomcatWebServer;
import org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

@Component
public class TomcatMonitor {
    private Logger logger = LoggerFactory.getLogger(getClass());

    @Autowired
    ServletWebServerApplicationContext applicationContext;


    @Scheduled(cron = "*/1 * * * * ?")
    public void execute() {
        TomcatWebServer webServer = (TomcatWebServer) applicationContext.getWebServer();
        String tomcatInfo = webServer.getTomcat().getConnector().getProtocolHandler().getExecutor().toString();

        System.out.println("tomcatInfo: " + tomcatInfo);
    }

}

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

import java.util.concurrent.TimeUnit;

@RestController
public class TestController {

    @RequestMapping("/test")
    public String test() {
        try {
            TimeUnit.SECONDS.sleep(2);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("complete OK");
        return "OK";
    }

}