package com.alibaba.otter.canal.parse.driver.mysql; import org.junit.Test; public class TestInheritableThreadLocal { @Test public void testThreadLocal() { final ThreadLocallocal = new ThreadLocal(); work(local); } @Test public void testInheritableThreadLocal() { final ThreadLocallocal = new I...
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The MDC method finds centroid of classes and measures distances between these centroids and the test pattern. In this method, the test pattern belongs to that class whose centroid is the closest distance to the test pattern. MDC is used in many pattern classification applications [2], [3], ...
*/publicclassMDCUtil{// 设置MDC中的traceId值,不存在则新生成,针对不是子线程的情况,// 如果是子线程,MDC中traceId不为nullpublicstaticvoidsetTraceIdIfAbsent(){if(MDC.get(Constants.TRACE_ID) ==null) { MDC.put(Constants.TRACE_ID, TraceIdUtil.getTraceId()); } }publicstatic<T> Callable<T>wrap(...
getClass()); // 获取父线程 MDC 中的内容 final Map<String, String> context = MDC.getCopyOfContextMap(); final Runnable r = () -> { log.info("testMDC"); System.out.println("..."); }; new Thread(() -> { // 将父线程的 MDC context 设置到子线程中 MDC.setContextMap(context)...
javamdc工具micajava 文章目录 二、第二章搭建开发环境(windows环境) 2.1、Maven安装和配置 2.1.1、官网下载 2.1.2、开始安装 2.1.3、配置变量 2.1.4、检测环境 2.1.5、本地仓库 前言第2章 搭建开发环境(windows环境)2.1. Maven安装和配置2.1.1. &n ...
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Springboot使用MDC进行日志追踪前言一、为什么要跟踪日志二、MDC存储日志原理三、开始代码1、封装MDC工具类2、注册日志追踪拦截器四、配置logBack五、查看追踪效果六、要解决traceId传递问题1、在不同线程之间的传递2、远程调用时候的传递总结 前言MDC(Mapped Diagnostic Context)是一个可以追踪程序上下文日志的东西,是spring...
import org.apache.log4j.MDC; public class Log4JRunnable implements Runnable { private Transfer tx; private static Log4JTransferService log4jBusinessService = new Log4JTransferService(); public Log4JRunnable(Transfer tx) { this.tx = tx; } public void run() { MDC.put("transaction.id", tx.getTran...
* 使用MDC传递traceId */publicclassDemo{@AutowiredprivateThreadPoolExecutorthreadPoolExecutor;publicvoiddemo(){ExecutorCompletionServiceecs=newExecutorCompletionService(threadPoolExecutor);ecs.submit(MDCUtil.wrap(newTestMDC(),MDC.getCopyOfContextMap()));}...