Dubbo实现分布式日志链路追踪

public interface OrderService {
String getOrder(String orderid);
}

@GetMapping("get/{id}")
    public String get(@PathVariable("id") String id){
        String uuid = UUID.randomUUID().toString().replaceAll("-", "");
        MDC.put(Constants.TRACE_LOG_ID, uuid);
        LOGGER.info("controller->param:{}", id);
        return consumerService.getName(id);
    }

@Override
    public String getName(String id) {
        LOGGER.info("consumer->service->param:{}", id);
        return orderService.getOrder(id);
    }

public class TraceFilter implements Filter {
@Override
    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        //从MDC中获取
        String logId = MDC.get(Constants.TRACE_LOG_ID);
        Map<String, String> attachments = invocation.getAttachments();
        attachments.put(Constants.TRACE_LOG_ID, logId);
        return invoker.invoke(invocation);
    }

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://code.alibabatech.com/schema/dubbo
       http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
    <!--过滤器配置-->
   <!-- <dubbo:provider filter="traceFilter" />-->
    <!-- 应用名-->
    <dubbo:application name="dmc-dubbo-provider"/>
    <!--zookeeper注册中心-->
    <dubbo:registry address="zookeeper://127.0.0.1:2181"/>

    <dubbo:protocol name="dubbo" port="20880"/>
    <!--服务注册-->
    <dubbo:service interface="com.bestpay.service.OrderService" ref="orderService" timeout="10000" **filter="traceFilter"**/>
    <bean id="orderService" class="com.bestpay.provider.service.OrderServiceImpl" />

</beans>

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>[%date{yyyy-MM-dd HH:mm:ss}] [%-5level] %logger %line --%mdc{client} [%X{TRACE_LOG_ID}] %msg%n</pattern>
            <!-- 控制台也要使用UTF-8，不要使用GBK，否则会中文乱码 -->
            <charset>UTF-8</charset>
        </encoder>
    </appender>

public class TraceFilter implements Filter {
    @Override
    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        String logId = invocation.getAttachment(Constants.TRACE_LOG_ID);
        MDC.put(Constants.TRACE_LOG_ID, logId);
        return invoker.invoke(invocation);
    }
}