Apache Log4j Web Servlet Containers provides support for automatically enabling Log4j in Servlet containers.

Bytecode (Java 8) for Apache Log4j Web Servlet Containers is provided in a separate JAR file like log4j-web-2.14.1.jar.

Source Code files for Apache Log4j IOStreams are provided in both binary packge like apache-log4j-2.14.1-bin.zip and source package like apache-log4j-2.14.1-src.zip. You can download them at Apache Log4j Website.

You can also browse Source Code files for Apache Log4j Web Servlet Containers 2.14.1 below.

⏎ org/apache/logging/log4j/web/Log4jWebLifeCycle.java

/*
 * 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.web;

import org.apache.logging.log4j.core.LifeCycle;

/**
 * Specifies an interface for initializing and deinitializing Log4j in a Java EE web application. The default and only
 * implementation is {@link Log4jWebInitializerImpl}. The initializer is based on an interface to improve testability.
 * The methods here are contained in a package-private sub-interface because general application code should not have
 * access to them.
 */
interface Log4jWebLifeCycle extends Log4jWebSupport, LifeCycle {

    /**
     * Starts up Log4j in the web application. Calls {@link #setLoggerContext()} after initialization is complete.
     *
     * @throws IllegalStateException if a JNDI config location is specified but no name is specified.
     */
    @Override
    void start();

    /**
     * Shuts down Log4j in the web application. Calls {@link #clearLoggerContext()} immediately before deinitialization
     * begins.
     */
    @Override
    void stop();
}

⏎ org/apache/logging/log4j/web/Log4jWebLifeCycle.java

Or download all of them as a single archive file:

File name: log4j-web-2.14.1-sources.jar
File size: 30223 bytes
Release date: 2021-03-06
Download 

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