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Apache Log4j 2 2.5 API

Packages 
Package Description
liquibase.ext.logging.log4j2  
org.apache.log4j
Log4j 1.x compatibility layer.
org.apache.log4j.config
Log4j 1.x compatibility layer.
org.apache.log4j.helpers
Log4j 1.x compatibility layer.
org.apache.log4j.spi
Log4j 1.x compatibility layer.
org.apache.log4j.xml
Log4j 1.x compatibility layer.
org.apache.logging.log4j
Public API for Log4j 2.
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.db.jpa
The JPA Appender supports writing log events to a relational database using the Java Persistence API.
org.apache.logging.log4j.core.appender.db.jpa.converter
The converters in this package implement the JPA 2.1 mechanism for converting non-standard types to and from database fields.
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.rewrite
Apache Flume Appender.
org.apache.logging.log4j.core.appender.rolling
Rolling File Appender and support classes.
org.apache.logging.log4j.core.appender.rolling.action
Support classes for the Rolling File Appender.
org.apache.logging.log4j.core.appender.routing
Apache Flume Appender.
org.apache.logging.log4j.core.async
Provides Asynchronous Logger classes and interfaces for low-latency logging.
org.apache.logging.log4j.core.config
Configuration of Log4j 2.
org.apache.logging.log4j.core.config.builder.api
Configuration Builder API for programmatically configuring Log4j.
org.apache.logging.log4j.core.config.builder.impl
Configuration Builder Implementation.
org.apache.logging.log4j.core.config.json
Classes and interfaces supporting configuration of Log4j 2 with JSON.
org.apache.logging.log4j.core.config.plugins
Annotations for Log4j 2 plugins.
org.apache.logging.log4j.core.config.plugins.convert
TypeConverter plugins for converter strings into various types.
org.apache.logging.log4j.core.config.plugins.processor
Java annotation processor for pre-scanning Log4j 2 plugins.
org.apache.logging.log4j.core.config.plugins.util
Utility and manager classes for Log4j 2 plugins.
org.apache.logging.log4j.core.config.plugins.validation
Constraint validators for plugin factory methods.
org.apache.logging.log4j.core.config.plugins.validation.constraints
Validation annotations.
org.apache.logging.log4j.core.config.plugins.validation.validators
ConstraintValidator implementations for the constraint annotations.
org.apache.logging.log4j.core.config.plugins.visitors
Visitor classes for extracting values from a Configuration or Node corresponding to a plugin annotation.
org.apache.logging.log4j.core.config.properties
Configuration using Properties files.
org.apache.logging.log4j.core.config.status
Configuration classes for the StatusLogger API.
org.apache.logging.log4j.core.config.xml
Classes and interfaces supporting configuration of Log4j 2 with XML.
org.apache.logging.log4j.core.config.yaml
Classes and interfaces supporting configuration of Log4j 2 with YAML.
org.apache.logging.log4j.core.filter
Log4j 2 Filter support.
org.apache.logging.log4j.core.impl
Log4j 2 private implementation classes.
org.apache.logging.log4j.core.jackson
Classes and interfaces for serializing and deserializing Log4j 2 log events to XML and JSON using the Jackson library.
org.apache.logging.log4j.core.jmx
Log4j 2 JMX support.
org.apache.logging.log4j.core.layout
Log4j 2 Layout support.
org.apache.logging.log4j.core.lookup
Log4j 2 Lookups.
org.apache.logging.log4j.core.net
Log4j 2 network support.
org.apache.logging.log4j.core.net.mom.jms
Supporting network code for JMS appenders.
org.apache.logging.log4j.core.net.server
Standalone server classes for consuming log events over a network.
org.apache.logging.log4j.core.net.ssl
Log4j 2 SSL support
org.apache.logging.log4j.core.osgi
Collection of OSGi-specific classes for bundles.
org.apache.logging.log4j.core.pattern
Provides classes implementing format specifiers in conversion patterns.
org.apache.logging.log4j.core.script
Log4j 2 Script support.
org.apache.logging.log4j.core.selector
Log4j 2 Context Selectors.
org.apache.logging.log4j.core.tools
Log4j 2 command line tools.
org.apache.logging.log4j.core.util
Log4j 2 helper classes.
org.apache.logging.log4j.core.util.datetime
Log4j 2 date formatting classes.
org.apache.logging.log4j.io
org.apache.logging.log4j.jcl
Log4j 2 adapter for Commons Logging.
org.apache.logging.log4j.jmx.gui
Log4j 2.0 JMX GUI.
org.apache.logging.log4j.jul  
org.apache.logging.log4j.message
Public Message Types used for Log4j 2.
org.apache.logging.log4j.nosql.appender
The NoSQL Appender supports writing log events to NoSQL databases.
org.apache.logging.log4j.nosql.appender.couchdb
The classes in this package contain the Apache CouchDB provider for the NoSQL Appender.
org.apache.logging.log4j.nosql.appender.mongodb
The classes in this package contain the MongoDB provider for the NoSQL Appender.
org.apache.logging.log4j.simple
Simple logging implementation.
org.apache.logging.log4j.spi
Internal interfaces and classes to be used by authors of logging implementations or for internal use by API classes.
org.apache.logging.log4j.status
Status API for Log4j 2.
org.apache.logging.log4j.taglib
Classes (JSP tags) to enable logging in JSPs without using Java scripting.
org.apache.logging.log4j.util
Internal utility classes for the Log4j 2 API.
org.apache.logging.log4j.web
The classes in this package are responsible for properly initializing and deinitializing Log4j in a Java EE web application.
org.apache.logging.log4j.web.appender  
org.apache.logging.slf4j
SLF4J support.
org.slf4j.impl
Log4j 2.0 SLF4J Binding.
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