/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.logging.log4j.jul;

import java.util.logging.Logger;

import org.apache.logging.log4j.spi.LoggerContext;

/**
 * Abstract Logger registry. Due to the optionality of using log4j-core, there are two registries available at runtime
 * to create: {@link ApiLoggerAdapter} and {@link CoreLoggerAdapter}.
 *
 * @since 2.1
 */
public abstract class AbstractLoggerAdapter extends org.apache.logging.log4j.spi.AbstractLoggerAdapter<Logger> {

    @Override
    protected LoggerContext getContext() {
        return PrivateManager.getContext();
    }

    private static class PrivateManager extends org.apache.logging.log4j.LogManager {
        private static final String FQCN = java.util.logging.LogManager.class.getName();

        public static LoggerContext getContext() {
            return getContext(FQCN, false);
        }
    }

}

@@ -917,16 +917,69 @@
 Context;
+%0Aimport org.apache.logging.log4j.util.ReflectionUtil;
 %0A%0A/**%0A *
@@ -1376,324 +1376,86 @@
 urn 
-PrivateManager.getContext();%0A    %7D%0A%0A    private static class PrivateManager extends org.apache.logging.log4j.LogManager %7B%0A        private static final String FQCN = java.util.logging.LogManager.class.getName();%0A%0A        public static LoggerContext getContext() %7B%0A            return getContext(FQCN, false);%0A        %7D
+getContext(ReflectionUtil.getCallerClass(java.util.logging.LogManager.class));
 %0A   

Simplify log4j-jul LoggerAdapter implementation.