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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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.
*/
package org.apache.log4j;
import org.apache.log4j.helpers.ThreadLocalMap;
/**
* Log4j 1.2 MDC breaks because it parses java.version incorrectly (does not handle new java9 versioning).
*
* This hack fixes up the pkg private members as if it had detected the java version correctly.
*/
public class Java9Hack {
public static void fixLog4j() {
if (MDC.mdc.tlm == null) {
MDC.mdc.java1 = false;
MDC.mdc.tlm = new ThreadLocalMap();
}
}
}