001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017package org.apache.logging.log4j.core.appender; 018 019import org.apache.logging.log4j.LoggingException; 020 021/** 022 * Thrown from an appender when a log event could not be written. Appenders should not thrown an exception if an error 023 * occurs that does <em>not</em> stop the event from being successfully written. Those types of errors should be logged 024 * using the {@link org.apache.logging.log4j.status.StatusLogger}. Appenders should only throw exceptions when an error 025 * prevents an event from being written. Appenders <em>must</em> throw an exception in this case so that error-handling 026 * features like the {@link FailoverAppender} work properly. 027 * 028 * Also note that appenders <em>must</em> provide a way to suppress exceptions when the user desires and abide by 029 * that instruction. See {@link org.apache.logging.log4j.core.Appender#ignoreExceptions()}, which is the standard 030 * way to do this. 031 */ 032public class AppenderLoggingException extends LoggingException { 033 034 private static final long serialVersionUID = 6545990597472958303L; 035 036 /** 037 * Construct an exception with a message. 038 * 039 * @param message The reason for the exception 040 */ 041 public AppenderLoggingException(final String message) { 042 super(message); 043 } 044 045 /** 046 * Construct an exception with a message and underlying cause. 047 * 048 * @param message The reason for the exception 049 * @param cause The underlying cause of the exception 050 */ 051 public AppenderLoggingException(final String message, final Throwable cause) { 052 super(message, cause); 053 } 054 055 /** 056 * Construct an exception with an underlying cause. 057 * 058 * @param cause The underlying cause of the exception 059 */ 060 public AppenderLoggingException(final Throwable cause) { 061 super(cause); 062 } 063}