Package org.apache.logging.log4j

Public API for Log4j 2.

See: Description

Package Summary

Package

Description

org.apache.logging.log4j.message

Public Message Types used for Log4j 2.

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.util

Internal utility classes for the Log4j 2 API.
Interface Summary

Interface

Description

Logger

This is the central interface in the log4j package.

Marker

Markers are objects that are used to add easily filterable information to log messages.

ThreadContext.ContextStack

The ThreadContext Stack interface.
Class Summary

Class

Description

EventLogger

Logs "Events" that are represented as StructuredDataMessage.

Level

Levels used for identifying the severity of an event.

LogManager

The anchor point for the logging system.

MarkerManager

Applications create Markers by using the Marker Manager.

MarkerManager.Log4jMarker

Consider this class private, it is only public to satisfy Jackson for XML and JSON IO.

ThreadContext

The ThreadContext allows applications to store information either in a Map or a Stack.
Exception Summary

Exception

Description

LoggingException

Exception thrown when an error occurs while logging.

Package org.apache.logging.log4j Description

Public API for Log4j 2.

The main entry point into Log4j is the LogManager class which can be used to obtain Logger objects, the current LoggerContext, a new LoggerContext, and the current LoggerContextFactory.

Marker objects can be obtained through the MarkerManager. The MDC (Mapped Diagnostic Context) can be used through the ThreadContext class.

See Also:: Log4j 2 API manual