大数据交流群： 494721467

安装maven:

 

1、介绍：apache项目管理软件，解决项目依赖关系 pom.xml(project object model)

 

2、下载apache-maven-3.3.9.tar.gz(apache)

 

3、在linux上tar文件 ：tar -xvzf xxx.tar.gz

 

4、移动tar开目录到/soft    :mv apache-maven-xx /soft

 

5、创建符号链接   ：ln  -s /soft/apache-maven-xx /soft/maven

 

6、配置环境变量M2_HOME=/soft/maven

完整路径配置：

M2_HOME=/soft/maven

HADOOP_HOME=/soft/hadoop

JAVA_HOME=/soft/jdk

PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/soft/jdk/bin:/soft/eclipse:/soft/hadoop/bin:/soft/hadoop/sbin:/soft/maven/bin"

 

 

7、立即生效：source /etc/environment

 

8、对toolchains.xml文件配置。进入到/soft/maven/conf目录下

 

9、在soft/maven/conf$ 编辑：gedit settings.xml下面试配置文件：

1、<mirrors>

    <mirror>

        <id>nexus-osc</id>

        <mirrorOf>central</mirrorOf>

        <name>Nexus osc</name>

        <url>http://maven.oschina.net/content/groups/public/</url>

    </mirror>

    <mirror>

        <id>nexus-osc-thirdparty</id>

        <mirrorOf>thirdparty</mirrorOf>

        <name>Nexus osc thirdparty</name>

        <url>http://maven.oschina.net/content/repositories/thirdparty/</url>

    </mirror>

</mirrors>

 

2、<id>jdk-1.4</id>

    <activation>

        <jdk>1.4</jdk>

    </activation>

    <repositories>

        <repository>

            <id>nexus</id>

            <name>local private nexus</name>

            <url>http://maven.oschina.net/content/groups/public/</url>

            <releases>

                <enabled>true</enabled>

            </releases>

            <snapshots>

                <enabled>false</enabled>

            </snapshots>

        </repository>

    </repositories>

    <pluginRepositories>

        <pluginRepository>

            <id>nexus</id>

            <name>local private nexus</name>

            <url>http://maven.oschina.net/content/groups/public/</url>

            <releases>

                <enabled>true</enabled>

            </releases>

            <snapshots>

                <enabled>false</enabled>

            </snapshots>

        </pluginRepository>

    </pluginRepositories>

</profile>

 

10、在~/downloads/hadoop-lzo-master$下执行：mvn clean test#使用maven 清理和测试