org.apache.logging.log4j.util

Class Constants

java.lang.Object

org.apache.logging.log4j.util.Constants

public final class Constants
extends Object

Log4j API Constants.

Since:

2.6.2

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	ENABLE_THREADLOCALS Kill switch for object pooling in ThreadLocals that enables much of the LOG4J2-1270 no-GC behaviour.
static boolean	IS_WEB_APP true if we think we are running in a web container, based on the boolean value of system property "log4j2.is.webapp", or (if this system property is not set) whether the javax.servlet.Servlet class is present in the classpath.
static int	JAVA_MAJOR_VERSION

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IS_WEB_APP

public static final boolean IS_WEB_APP

true if we think we are running in a web container, based on the boolean value of system property "log4j2.is.webapp", or (if this system property is not set) whether the javax.servlet.Servlet class is present in the classpath.

ENABLE_THREADLOCALS

public static final boolean ENABLE_THREADLOCALS

Kill switch for object pooling in ThreadLocals that enables much of the LOG4J2-1270 no-GC behaviour.

True for non-web apps, disable by setting system property "log4j2.enable.threadlocals" to "false".

JAVA_MAJOR_VERSION

public static final int JAVA_MAJOR_VERSION