Apache Log4j Core.
The Log4j Implementation.
Here is the list of declaration for log4j-core. If you use Maven you can use the following code to add the dependency for this POM file.
<dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-core</artifactId> <version>2.0.1</version> </dependency>
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Apache License.
The log4j-core-2.0.1 has 3 dependencies.The most popular ones are listed in the following table along with their categories and number of artifacts depending on them.
Category | Artifact | Depended By Count |
---|---|---|
XML Parser | woodstox-core-asl 4.3.0 Woodstox is a high-performance XML processor that implements Stax (JSR-173) and SAX2 APIs | 73 |
JEE | jmdns 3.4.1 JmDNS is a Java implementation of multi-cast DNS and can be used for service registration and discovery in local area networks. JmDNS is fully compatible with Apple's Bonjour. The project was originally started in December 2002 by Arthur van Hoff at Strangeberry. In November 2003 the project was mo... | 7 |
Log | log4j 1.2.17 Apache Log4j 1.2 | 440 |
The following plugins are used in the log4j-core-2.0.1.jar
The following packages are defined in the log4j-core-2.0.1.jar
org.apache.logging.log4j.core org.apache.logging.log4j.core.appender org.apache.logging.log4j.core.appender.db org.apache.logging.log4j.core.appender.db.jdbc org.apache.logging.log4j.core.appender.db.jpa org.apache.logging.log4j.core.appender.db.jpa.converter org.apache.logging.log4j.core.appender.jms org.apache.logging.log4j.core.appender.rewrite org.apache.logging.log4j.core.appender.rolling org.apache.logging.log4j.core.appender.rolling.action org.apache.logging.log4j.core.appender.routing org.apache.logging.log4j.core.async org.apache.logging.log4j.core.config org.apache.logging.log4j.core.config.json org.apache.logging.log4j.core.config.plugins org.apache.logging.log4j.core.config.plugins.osgi org.apache.logging.log4j.core.config.plugins.processor org.apache.logging.log4j.core.config.plugins.util org.apache.logging.log4j.core.config.plugins.visitors org.apache.logging.log4j.core.config.status org.apache.logging.log4j.core.config.xml org.apache.logging.log4j.core.config.yaml org.apache.logging.log4j.core.filter org.apache.logging.log4j.core.impl org.apache.logging.log4j.core.jackson org.apache.logging.log4j.core.jmx org.apache.logging.log4j.core.layout org.apache.logging.log4j.core.lookup org.apache.logging.log4j.core.net org.apache.logging.log4j.core.net.jms org.apache.logging.log4j.core.net.server org.apache.logging.log4j.core.net.ssl org.apache.logging.log4j.core.pattern org.apache.logging.log4j.core.selector org.apache.logging.log4j.core.tools org.apache.logging.log4j.core.util
Here is the content of the POM file.
<?xml version="1.0" encoding="UTF-8"?> <!-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j</artifactId> <version>2.0.1</version> <relativePath>../</relativePath> </parent> <artifactId>log4j-core</artifactId> <packaging>jar</packaging> <name>Apache Log4j Core</name> <description>The Log4j Implementation</description> <properties> <log4jParentDir>${basedir}/..</log4jParentDir> <docLabel>Core Documentation</docLabel> <projectDir>/core</projectDir> </properties> <dependencies> <!-- Naturally, all implementations require the log4j-api JAR --> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-api</artifactId> </dependency> <!-- Used for OSGi bundle support --> <dependency> <groupId>org.osgi</groupId> <artifactId>org.osgi.core</artifactId> <scope>provided</scope> </dependency> <!-- Required for AsyncLoggers --> <dependency> <groupId>com.lmax</groupId> <artifactId>disruptor</artifactId> <optional>true</optional> </dependency> <!-- Required for JSON support --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <optional>true</optional> </dependency> <!-- Required for JSON support --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <optional>true</optional> </dependency> <!-- Required for YAML support (including JSON requirements) --> <dependency> <groupId>com.fasterxml.jackson.dataformat</groupId> <artifactId>jackson-dataformat-yaml</artifactId> <optional>true</optional> </dependency> <!-- Required for XML layout and receiver support --> <dependency> <groupId>com.fasterxml.jackson.dataformat</groupId> <artifactId>jackson-dataformat-xml</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.codehaus.woodstox</groupId> <artifactId>woodstox-core-asl</artifactId> <version>4.3.0</version> <optional>true</optional> </dependency> <!-- Required for console color support in Windows --> <dependency> <groupId>org.fusesource.jansi</groupId> <artifactId>jansi</artifactId> <optional>true</optional> </dependency> <!-- Used for JMS appenders (needs an implementation of course) --> <dependency> <groupId>org.jboss.spec.javax.jms</groupId> <artifactId>jboss-jms-api_1.1_spec</artifactId> <scope>provided</scope> </dependency> <!-- Required for SMTPAppender --> <dependency> <groupId>com.sun.mail</groupId> <artifactId>javax.mail</artifactId> <optional>true</optional> </dependency> <!-- Used for JPA appenders (needs an implementation of course) --> <dependency> <groupId>org.eclipse.persistence</groupId> <artifactId>javax.persistence</artifactId> <scope>compile</scope> <optional>true</optional> </dependency> <!-- TEST DEPENDENCIES --> <!-- Pull in useful test classes from API --> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-api</artifactId> <type>test-jar</type> <scope>test</scope> </dependency> <!-- Zeroconf advertiser tests --> <dependency> <groupId>javax.jmdns</groupId> <artifactId>jmdns</artifactId> <version>3.4.1</version> <scope>test</scope> </dependency> <!-- Log4j 1.2 tests --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> <scope>test</scope> </dependency> <!-- SLF4J tests --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-ext</artifactId> <scope>test</scope> </dependency> <!-- JUnit, naturally --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.hamcrest</groupId> <artifactId>hamcrest-all</artifactId> <scope>test</scope> </dependency> <!-- Mocking framework for use with JUnit --> <dependency> <groupId>org.easymock</groupId> <artifactId>easymock</artifactId> <scope>test</scope> </dependency> <!-- Embedded JDBC drivers for database appender tests --> <dependency> <groupId>org.hsqldb</groupId> <artifactId>hsqldb</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>com.h2database</groupId> <artifactId>h2</artifactId> <scope>test</scope> </dependency> <!-- JPA Tests --> <dependency> <groupId>org.eclipse.persistence</groupId> <artifactId>org.eclipse.persistence.jpa</artifactId> <scope>test</scope> </dependency> <!-- JNDI and JMS tests --> <dependency> <groupId>org.mockejb</groupId> <artifactId>mockejb</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <scope>test</scope> </dependency> <!-- Logback performance tests --> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-core</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <scope>test</scope> </dependency> <!-- OSGi tests --> <dependency> <groupId>org.eclipse.osgi</groupId> <artifactId>org.eclipse.osgi</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.apache.felix</groupId> <artifactId>org.apache.felix.framework</artifactId> <scope>test</scope> </dependency> <!-- Other --> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <executions> <execution> <!-- disable annotation processing for first pass --> <id>default-compile</id> <goals> <goal>compile</goal> </goals> <phase>compile</phase> <configuration> <proc>none</proc> </configuration> </execution> <execution> <!-- then do a processing-only pass to generate plugins .dat file --> <id>process-plugins</id> <goals> <goal>compile</goal> </goals> <phase>process-classes</phase> <configuration> <proc>only</proc> </configuration> </execution> </executions> </plugin> <plugin> <artifactId>maven-surefire-plugin</artifactId> <configuration> <excludedGroups> org.apache.logging.log4j.categories.PerformanceTests </excludedGroups> <forkCount>1</forkCount> <reuseForks>false</reuseForks> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-failsafe-plugin</artifactId> <configuration> <includes> <include>**/*.java</include> </includes> <groups> org.apache.logging.log4j.categories.PerformanceTests </groups> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <executions> <execution> <goals> <goal>test-jar</goal> </goals> </execution> </executions> </plugin> <plugin> <groupId>org.apache.felix</groupId> <artifactId>maven-bundle-plugin</artifactId> <configuration> <instructions> <Bundle-SymbolicName>org.apache.logging.log4j.core</Bundle-SymbolicName> <!-- TODO: exclude internal classes from export --> <Export-Package>org.apache.logging.log4j.core.*</Export-Package> <Bundle-Activator>org.apache.logging.log4j.core.config.plugins.osgi.Activator</Bundle-Activator> <Provide-Capability>org.apache.logging.log4j.spi.LoggerContextFactory</Provide-Capability> </instructions> </configuration> </plugin> </plugins> </build> <reporting> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-changes-plugin</artifactId> <version>${changes.plugin.version}</version> <reportSets> <reportSet> <reports> <report>changes-report</report> </reports> </reportSet> </reportSets> <configuration> <issueLinkTemplate>%URL%/show_bug.cgi?id=%ISSUE%</issueLinkTemplate> <useJql>true</useJql> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-checkstyle-plugin</artifactId> <version>2.7</version> <configuration> <!--<propertiesLocation>${vfs.parent.dir}/checkstyle.properties</propertiesLocation> --> <configLocation>${log4jParentDir}/checkstyle.xml</configLocation> <suppressionsLocation>${log4jParentDir}/checkstyle-suppressions.xml</suppressionsLocation> <enableRulesSummary>false</enableRulesSummary> <propertyExpansion>basedir=${basedir}</propertyExpansion> <propertyExpansion>licensedir=${log4jParentDir}/checkstyle-header.txt</propertyExpansion> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-javadoc-plugin</artifactId> <version>${javadoc.plugin.version}</version> <configuration> <bottom> <![CDATA[<p align="center">Copyright © {inceptionYear}-{currentYear} {organizationName}. All Rights Reserved.<br /> Apache Logging, Apache Log4j, Log4j, Apache, the Apache feather logo, the Apache Logging project logo, and the Apache Log4j logo are trademarks of The Apache Software Foundation.</p>]]></bottom> <!-- module link generation is completely broken in the javadoc plugin for a multi-module non-aggregating project --> <detectOfflineLinks>false</detectOfflineLinks> <linksource>true</linksource> <links> <link>http://docs.oracle.com/javaee/6/api/</link> <link>http://www.osgi.org/javadoc/r4v43/core/</link> </links> <tags> <tag> <name>issue</name> <placement>a</placement> <head>JIRA issue:</head> </tag> <tag> <name>doubt</name> <placement>a</placement> <head>Troublesome:</head> </tag> <tag> <name>compare</name> <placement>a</placement> <head>Compare with:</head> </tag> </tags> </configuration> <reportSets> <reportSet> <id>non-aggregate</id> <reports> <report>javadoc</report> </reports> </reportSet> </reportSets> </plugin> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>findbugs-maven-plugin</artifactId> <version>2.5.2</version> <configuration> <fork>true</fork> <jvmArgs>-Duser.language=en</jvmArgs> <threshold>Normal</threshold> <effort>Default</effort> <excludeFilterFile>${log4jParentDir}/findbugs-exclude-filter.xml</excludeFilterFile> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jxr-plugin</artifactId> <version>2.3</version> <reportSets> <reportSet> <id>non-aggregate</id> <reports> <report>jxr</report> </reports> </reportSet> <reportSet> <id>aggregate</id> <reports> <report>aggregate</report> </reports> </reportSet> </reportSets> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-pmd-plugin</artifactId> <version>${pmd.plugin.version}</version> <configuration> <targetJdk>${maven.compile.target}</targetJdk> </configuration> </plugin> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>cobertura-maven-plugin</artifactId> <version>${cobertura.plugin.version}</version> <reportSets> <reportSet> <!-- Disabled as it makes the site build very slow and causes the performance unit test to fail --> <!-- TODO: convert this report plugin into a release profile and disable relevant unit tests --> <reports /> </reportSet> </reportSets> </plugin> </plugins> </reporting> </project>