Uses of Interface
org.apache.logging.log4j.core.Appender

Packages that use Appender

Package	Description
org.apache.logging.log4j.core	Implementation of Log4j 2.
org.apache.logging.log4j.core.appender	Log4j 2 Appenders.
org.apache.logging.log4j.core.appender.db	The classes in this package and sub packages provide appenders for various types of databases and methods for accessing databases.
org.apache.logging.log4j.core.appender.db.jdbc	The JDBC Appender supports writing log events to a relational database using standard JDBC connections.
org.apache.logging.log4j.core.appender.mom	Message oriented middleware appenders.
org.apache.logging.log4j.core.appender.mom.jeromq	Classes and interfaces for ZeroMQ/JeroMQ support.
org.apache.logging.log4j.core.appender.mom.kafka	Classes and interfaces for Kafka appender support.
org.apache.logging.log4j.core.appender.nosql	The NoSQL Appender supports writing log events to NoSQL databases.
org.apache.logging.log4j.core.appender.rewrite	Apache Flume Appender.
org.apache.logging.log4j.core.appender.routing	Apache Flume Appender.
org.apache.logging.log4j.core.config	Configuration of Log4j 2.
org.apache.logging.log4j.core.jmx	Log4j 2 JMX support.

Uses of Appender in org.apache.logging.log4j.core

Fields in org.apache.logging.log4j.core declared as Appender

Modifier and Type	Field	Description
static final Appender[]	Appender.EMPTY_ARRAY	Empty array.

Methods in org.apache.logging.log4j.core that return types with arguments of type Appender

Modifier and Type	Method	Description
Map<String,Appender>	Logger.getAppenders()	This method is not exposed through the public API and is used primarily for unit testing.

Methods in org.apache.logging.log4j.core with parameters of type Appender

Modifier and Type	Method	Description
void	Logger.addAppender(Appender appender)	This method is not exposed through the public API and is used primarily for unit testing.
void	Logger.removeAppender(Appender appender)	This method is not exposed through the public API and is used primarily for unit testing.

Uses of Appender in org.apache.logging.log4j.core.appender

Classes in org.apache.logging.log4j.core.appender that implement Appender

Modifier and Type	Class	Description
class	AbstractAppender	Abstract base class for Appenders.
class	AbstractFileAppender<M extends OutputStreamManager>	Abstract File Appender.
class	AbstractOutputStreamAppender<M extends OutputStreamManager>	Appends log events as bytes to a byte output stream.
class	AbstractWriterAppender<M extends WriterManager>	Appends log events as strings to a writer.
final class	AsyncAppender	Appends to one or more Appenders asynchronously.
final class	ConsoleAppender	Appends log events to System.out or System.err using a layout specified by the user.
class	CountingNoOpAppender	No-Operation Appender that counts events.
final class	FailoverAppender	The FailoverAppender will capture exceptions in an Appender and then route the event to a different appender.
final class	FileAppender	File Appender.
final class	HttpAppender
final class	MemoryMappedFileAppender	Memory Mapped File Appender.
class	NullAppender	An Appender that ignores log events.
final class	OutputStreamAppender	Appends log events to a given output stream using a layout.
final class	RandomAccessFileAppender	File Appender.
final class	RollingFileAppender	An appender that writes to files and can roll over at intervals.
final class	RollingRandomAccessFileAppender	An appender that writes to random access files and can roll over at intervals.
class	ScriptAppenderSelector
final class	SmtpAppender	Send an e-mail when a specific logging event occurs, typically on errors or fatal errors.
class	SocketAppender	An Appender that delivers events over socket connections.
class	SyslogAppender	The Syslog Appender.
final class	WriterAppender	Appends log events to a Writer.

Methods in org.apache.logging.log4j.core.appender that return Appender

Modifier and Type	Method	Description
Appender	ScriptAppenderSelector.Builder.build()
Appender	AppenderSet.createAppender(String actualAppenderName, String sourceAppenderName)
Appender	DefaultErrorHandler.getAppender()

Methods in org.apache.logging.log4j.core.appender that return types with arguments of type Appender

Modifier and Type	Method	Description
List<Appender>	AsyncAppender.getAppenders()	Gets all Appenders.

Constructors in org.apache.logging.log4j.core.appender with parameters of type Appender

Modifier	Constructor	Description
	DefaultErrorHandler(Appender appender)

Uses of Appender in org.apache.logging.log4j.core.appender.db

Classes in org.apache.logging.log4j.core.appender.db that implement Appender

Modifier and Type	Class	Description
class	AbstractDatabaseAppender<T extends AbstractDatabaseManager>	An abstract Appender for writing events to a database of some type, be it relational or NoSQL.

Uses of Appender in org.apache.logging.log4j.core.appender.db.jdbc

Classes in org.apache.logging.log4j.core.appender.db.jdbc that implement Appender

Modifier and Type	Class	Description
final class	JdbcAppender	This Appender writes logging events to a relational database using standard JDBC mechanisms.

Uses of Appender in org.apache.logging.log4j.core.appender.mom

Classes in org.apache.logging.log4j.core.appender.mom that implement Appender

Modifier and Type	Class	Description
class	JmsAppender	Deprecated. Use org.apache.logging.log4j.core.appender.mom.jakarta.JmsAppender.

Uses of Appender in org.apache.logging.log4j.core.appender.mom.jeromq

Classes in org.apache.logging.log4j.core.appender.mom.jeromq that implement Appender

Modifier and Type	Class	Description
final class	JeroMqAppender	Sends log events to one or more ZeroMQ (JeroMQ) endpoints.

Uses of Appender in org.apache.logging.log4j.core.appender.mom.kafka

Classes in org.apache.logging.log4j.core.appender.mom.kafka that implement Appender

Modifier and Type	Class	Description
final class	KafkaAppender	Sends log events to an Apache Kafka topic.

Uses of Appender in org.apache.logging.log4j.core.appender.nosql

Classes in org.apache.logging.log4j.core.appender.nosql that implement Appender

Modifier and Type	Class	Description
final class	NoSqlAppender	This Appender writes logging events to a NoSQL database using a configured NoSQL provider.

Uses of Appender in org.apache.logging.log4j.core.appender.rewrite

Classes in org.apache.logging.log4j.core.appender.rewrite that implement Appender

Modifier and Type	Class	Description
final class	RewriteAppender	This Appender allows the logging event to be manipulated before it is processed by other Appenders.

Uses of Appender in org.apache.logging.log4j.core.appender.routing

Classes in org.apache.logging.log4j.core.appender.routing that implement Appender

Modifier and Type	Class	Description
final class	RoutingAppender	This Appender "routes" between various Appenders, some of which can be references to Appenders defined earlier in the configuration while others can be dynamically created within this Appender as required.

Uses of Appender in org.apache.logging.log4j.core.config

Methods in org.apache.logging.log4j.core.config with type parameters of type Appender

Modifier and Type	Method	Description
<T extends Appender> T	AbstractConfiguration.getAppender(String appenderName)	Returns the Appender with the specified name.
<T extends Appender> T	Configuration.getAppender(String name)	Returns the Appender with the specified name.

Methods in org.apache.logging.log4j.core.config that return Appender

Modifier and Type	Method	Description
Appender	AppenderControl.getAppender()	Returns the Appender.

Methods in org.apache.logging.log4j.core.config that return types with arguments of type Appender

Modifier and Type	Method	Description
Map<String,Appender>	AppenderControlArraySet.asMap()	Returns all Appenders as a Map.
static ConcurrentMap<String,Appender>	AppendersPlugin.createAppenders(Appender[] appenders)	Creates a Map of the Appenders.
Map<String,Appender>	AbstractConfiguration.getAppenders()	Returns a Map containing all the Appenders and their name.
Map<String,Appender>	Configuration.getAppenders()	Returns a Map containing all the Appenders and their name.
Map<String,Appender>	LoggerConfig.getAppenders()	Returns all Appenders as a Map.

Methods in org.apache.logging.log4j.core.config with parameters of type Appender

Modifier and Type	Method	Description
void	AbstractConfiguration.addAppender(Appender appender)	Adds an Appender to the configuration.
void	Configuration.addAppender(Appender appender)
void	LoggerConfig.addAppender(Appender appender, Level level, Filter filter)	Adds an Appender to the LoggerConfig.
void	AbstractConfiguration.addLoggerAppender(Logger logger, Appender appender)	Associates an Appender with a LoggerConfig.
void	Configuration.addLoggerAppender(Logger logger, Appender appender)
static ConcurrentMap<String,Appender>	AppendersPlugin.createAppenders(Appender[] appenders)	Creates a Map of the Appenders.

Constructors in org.apache.logging.log4j.core.config with parameters of type Appender

Modifier	Constructor	Description
	AppenderControl(Appender appender, Level level, Filter filter)	Constructor.

Uses of Appender in org.apache.logging.log4j.core.jmx

Constructors in org.apache.logging.log4j.core.jmx with parameters of type Appender

Modifier	Constructor	Description
	AppenderAdmin(String contextName, Appender appender)	Constructs a new AppenderAdmin with the specified contextName and appender.