Flume Next Gen Appender
The Flume NG Appender allows applications to send events to Flume NG Agents.
Remote Agent
Including the Log4j flume-ng jar in your Maven-based project as a dependency should cause all the
transitive dependencies necessary for the remote Agent to function to be included.
Embedded Agent
The following is a sample pom file for Maven that can be used as a template for integrating the
Flume Embedded Appender into an application.
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.myapp</groupId>
<artifactId>myapp</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>My App</name>
<description>App to test log4j appender</description>
<properties>
<log4j.version>2.0-beta1</log4j.version>
<slf4j.version>1.6.6</slf4j.version>
<jackson.version>1.9.3</jackson.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-ext</artifactId>
<version>${slf4j.version></version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>${log4j2_version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>log4j-1.2-api</artifactId>
<version>${log4j2_version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j2_version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>log4j-flume-ng</artifactId>
<version>${log4j2_version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>${log4j2_version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>log4j-jcl</artifactId>
<version>${log4j2_version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>log4j-web</artifactId>
<version>${log4j2_version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-core-asl</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-jaxrs</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-xc</artifactId>
<version>${jackson.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<!-- Log4j 2 API -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
</dependency>
<!-- Log4j 1.x API -->
<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>log4j12-api</artifactId>
</dependency>
<!-- Log4j 2 implementation -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
</dependency>
<!-- SLF4J to Log4j 2 binding -->
<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>slf4j-impl</artifactId>
</dependency>
<!-- SLF4J API -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
</dependency>
<!-- SLF4J extensions -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-ext</artifactId>
</dependency>
<!-- Commson Logging to Log4j 2 binding -->
<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>log4j-jcl</artifactId>
</dependency>
<!-- Log4j 2 Servlet Context Listener -->
<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>log4j-web</artifactId>
</dependency>
<!-- Avro transport protocol - required for Flume -->
<dependency>
<groupId>org.apache.avro</groupId>
<artifactId>avro</artifactId>
<version>1.6.3</version>
</dependency>
<!-- Hadoop core - required by embedded Flume Agent -->
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-core</artifactId>
<version>1.0.3</version>
<exclusions>
<exclusion>
<groupId>org.mortbay.jetty</groupId>
<artifactId>servlet-api</artifactId>
</exclusion>
<exclusion>
<groupId>org.mortbay.jetty</groupId>
<artifactId>servlet-api-2.5</artifactId>
</exclusion>
<exclusion>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- Flume File Channel - required by embedded Flume agent -->
<dependency>
<groupId>org.apache.flume.flume-ng-channels</groupId>
<artifactId>flume-file-channel</artifactId>
<version>1.2.0</version>
<exclusions>
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
</project>
Requirements
The Flume NG Appender requires at least Java 5.
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