Here you can find the source of clearRequestId()
public static void clearRequestId()
//package com.java2s; /*//from w w w . ja v a 2 s. c o m * Copyright 2015 VMware, Inc. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed * under the License is distributed on an "AS IS" BASIS, without warranties or * conditions of any kind, EITHER EXPRESS OR IMPLIED. See the License for the * specific language governing permissions and limitations under the License. */ import org.slf4j.MDC; public class Main { public static final String REQUEST_ID_KEY = "requestId"; public static final String REQUEST_KEY = "request"; /** * Clear the request ID. Normally you do not need to call this. */ public static void clearRequestId() { MDC.remove(REQUEST_KEY); MDC.remove(REQUEST_ID_KEY); } }