| /* |
| * 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.test.appender; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.LoggingException; |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.apache.logging.log4j.core.appender.AbstractAppender; |
| import org.apache.logging.log4j.core.config.plugins.Plugin; |
| import org.apache.logging.log4j.core.config.plugins.PluginAttribute; |
| import org.apache.logging.log4j.core.config.plugins.PluginFactory; |
| |
| /** |
| * |
| */ |
| @Plugin(name="Deadlock", category ="Core",elementType="appender",printObject=true) |
| public class DeadlockAppender extends AbstractAppender { |
| |
| private WorkerThread thread = null; |
| |
| private DeadlockAppender(final String name) { |
| super(name, null, null, false); |
| thread = new WorkerThread(); |
| } |
| |
| @Override |
| public void start() { |
| super.start(); |
| |
| } |
| |
| @Override |
| public void stop() { |
| super.stop(); |
| thread.start(); |
| try { |
| thread.join(); |
| } catch (Exception ex) { |
| System.out.println("Thread interrupted"); |
| } |
| } |
| |
| @Override |
| public void append(final LogEvent event) { |
| throw new LoggingException("Always fail"); |
| } |
| |
| @PluginFactory |
| public static DeadlockAppender createAppender(@PluginAttribute("name") final String name) { |
| if (name == null) { |
| LOGGER.error("A name for the Appender must be specified"); |
| return null; |
| } |
| |
| return new DeadlockAppender(name); |
| } |
| |
| private class WorkerThread extends Thread { |
| |
| @Override |
| public void run() { |
| Logger logger = LogManager.getLogger("org.apache.logging.log4j.test.WorkerThread"); |
| logger.debug("Worker is running"); |
| } |
| } |
| } |