Migrating from log4j 1.x to 2.x
suggest changeIf you want to migrate from existing log4j 1.x in your project to log4j 2.x then remove all existing log4j 1.x dependencies and add the following dependency:
Log4j 1.x API Bridge
Maven Build
<dependencies>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-1.2-api</artifactId>
<version>2.6.2</version>
</dependency>
</dependencies>
Ivy Build
<dependencies>
<dependency org="org.apache.logging.log4j" name="log4j-1.2-api" rev="2.6.2" />
</dependencies>
Gradle Build
dependencies {
compile group: 'org.apache.logging.log4j', name: 'log4j-1.2-api', version: '2.6.2'
}
Apache Commons Logging Bridge If your project is using Apache Commons Logging which use log4j 1.x and you want to migrate it to log4j 2.x then add the following dependencies:
Maven Build
<dependencies>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-jcl</artifactId>
<version>2.6.2</version>
</dependency>
</dependencies>
Ivy Build
<dependencies>
<dependency org="org.apache.logging.log4j" name="log4j-jcl" rev="2.6.2" />
</dependencies>
Gradle Build
dependencies {
compile group: 'org.apache.logging.log4j', name: 'log4j-jcl', version: '2.6.2'
}
Note: Do not remove any existing dependencies of Apache commons logging
Reference: https://logging.apache.org/log4j/2.x/maven-artifacts.html
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