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Devops（一）：CentOS7安装Maven3.6.1详解

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Maven用来做什么？

Maven是一个项目管理工具，它包含了一个项目对象模型 (Project Object Model)，一组标准集合，一个项目生命周期(Project Lifecycle)，一个依赖管理系统(Dependency Management System)，和用来运行定义在生命周期阶段(phase)中插件(plugin)目标(goal)的逻辑。当你使用Maven的时候，你用一个明确定义的项目对象模型来描述你的项目，然后Maven可以应用横切的逻辑，这些逻辑来自一组共享的（或者自定义的）插件。

Maven 有一个生命周期，当你运行 mvn install 的时候被调用。这条命令告诉 Maven 执行一系列的有序的步骤，直到到达你指定的生命周期。遍历生命周期旅途中的一个影响就是，Maven 运行了许多默认的插件目标，这些目标完成了像编译和创建一个 JAR 文件这样的工作。

此外，Maven能够很方便的帮你管理项目报告，生成站点，管理JAR文件，等等。

Maven安装

安装环境为 centos7，jdk1.8

1）从Maven官网下载Maven安装包

官网下载maven地址：http://maven.apache.org/download.cgi

Devops（一）：CentOS7安装Maven3.6.1详解

复制的apache-maven-3.6.1.tar.gz的下载地址为：http://mirror.bit.edu.cn/apache/maven/maven-3/3.6.1/binaries/apache-maven-3.6.1-bin.tar.gz

在centos7系统中使用root账户执行wget来下载maven 3.6.1安装包：

[root@master ~]# mkdir -p /opt/devopt/mave

[root@master ~]# cd /opt/devopt/mave

[root@master maven]# wget http://mirror.bit.edu.cn/apache/maven/maven-3/3.6.1/source/apache-maven-3.6.1-bin.tar.gz

--2019-08-21 22:41:00-- http://mirror.bit.edu.cn/apache/maven/maven-3/3.6.1/source/apache-maven-3.6.1-bin.tar.gz

Resolving mirror.bit.edu.cn (mirror.bit.edu.cn)... 114.247.56.117, 2001:da8:204:1::22

Connecting to mirror.bit.edu.cn (mirror.bit.edu.cn)|114.247.56.117|:80... connected.

HTTP request sent, awaiting response... 404 Not Found

2019-08-21 22:41:03 ERROR 404: Not Found.

[root@master maven]# wget http://mirror.bit.edu.cn/apache/maven/maven-3/3.6.1/binaries/apache-maven-3.6.1-bin.tar.gz

--2019-08-21 22:42:07-- http://mirror.bit.edu.cn/apache/maven/maven-3/3.6.1/binaries/apache-maven-3.6.1-bin.tar.gz

Resolving mirror.bit.edu.cn (mirror.bit.edu.cn)... 114.247.56.117, 2001:da8:204:1::22

Connecting to mirror.bit.edu.cn (mirror.bit.edu.cn)|114.247.56.117|:80... connected.

HTTP request sent, awaiting response... 200 OK

Length: 9136463 (8.7M) [application/octet-stream]

Saving to: ‘apache-maven-3.6.1-bin.tar.gz’

100%[=================================================================================================================================================================>] 9,136,463 54.3KB/s in 5m 23

2019-08-21 22:47:30 (27.6 KB/s) - ‘apache-maven-3.6.1-bin.tar.gz’ saved [9136463/9136463]

[root@master maven]# l

apache-maven-3.6.1-bin.tar.gz

2）解压下载的maven文件进行安装

[root@master maven]# l

apache-maven-3.6.1-bin.tar.gz

[root@master maven]# tar -zxvf apache-maven-3.6.1-bin.tar.gz

apache-maven-3.6.1/README.txt

apache-maven-3.6.1/LICENSE

apache-maven-3.6.1/NOTICE

apache-maven-3.6.1/lib/

apache-maven-3.6.1/lib/slf4j-api.license

apache-maven-3.6.1/lib/checker-compat-qual.license

apache-maven-3.6.1/lib/jsr250-api.license

apache-maven-3.6.1/lib/jcl-over-slf4j.license

apache-maven-3.6.1/lib/org.eclipse.sisu.plexus.license

apache-maven-3.6.1/lib/animal-sniffer-annotations.license

apache-maven-3.6.1/lib/org.eclipse.sisu.inject.license

apache-maven-3.6.1/lib/jansi-native/

apache-maven-3.6.1/lib/jansi-native/freebsd64/

apache-maven-3.6.1/lib/jansi-native/osx/

apache-maven-3.6.1/lib/jansi-native/windows32/

apache-maven-3.6.1/lib/jansi-native/linux32/

apache-maven-3.6.1/lib/jansi-native/freebsd32/

apache-maven-3.6.1/lib/jansi-native/windows64/

apache-maven-3.6.1/lib/jansi-native/linux64/

apache-maven-3.6.1/lib/jansi-native/freebsd64/libjansi.so

apache-maven-3.6.1/lib/jansi-native/osx/libjansi.jnili

apache-maven-3.6.1/lib/jansi-native/windows32/jansi.dll

apache-maven-3.6.1/lib/jansi-native/linux32/libjansi.so

apache-maven-3.6.1/lib/jansi-native/freebsd32/libjansi.so

apache-maven-3.6.1/lib/jansi-native/windows64/jansi.dll

apache-maven-3.6.1/lib/jansi-native/linux64/libjansi.so

apache-maven-3.6.1/bin/mvn.cmd

apache-maven-3.6.1/bin/m2.conf

apache-maven-3.6.1/bin/mvnDebug.cmd

apache-maven-3.6.1/bin/mvnDebug

apache-maven-3.6.1/bin/mv

apache-maven-3.6.1/bin/mvnyj

apache-maven-3.6.1/conf/

apache-maven-3.6.1/conf/logging/

apache-maven-3.6.1/conf/settings.xml

apache-maven-3.6.1/conf/toolchains.xml

apache-maven-3.6.1/conf/logging/simplelogger.propertie

apache-maven-3.6.1/lib/ext/

apache-maven-3.6.1/lib/jansi-native/

apache-maven-3.6.1/lib/ext/README.txt

apache-maven-3.6.1/lib/jansi-native/README.txt

apache-maven-3.6.1/boot/plexus-classworlds-2.6.0.jar

apache-maven-3.6.1/lib/maven-embedder-3.6.1.jar

apache-maven-3.6.1/lib/maven-settings-3.6.1.jar

apache-maven-3.6.1/lib/plexus-utils-3.2.0.jar

apache-maven-3.6.1/lib/maven-settings-builder-3.6.1.jar

apache-maven-3.6.1/lib/maven-builder-support-3.6.1.jar

apache-maven-3.6.1/lib/plexus-interpolation-1.25.jar

apache-maven-3.6.1/lib/plexus-component-annotations-1.7.1.jar

apache-maven-3.6.1/lib/plexus-sec-dispatcher-1.4.jar

apache-maven-3.6.1/lib/plexus-cipher-1.7.jar

apache-maven-3.6.1/lib/maven-core-3.6.1.jar

apache-maven-3.6.1/lib/maven-model-3.6.1.jar

apache-maven-3.6.1/lib/maven-repository-metadata-3.6.1.jar

apache-maven-3.6.1/lib/maven-artifact-3.6.1.jar

apache-maven-3.6.1/lib/commons-lang3-3.8.1.jar

apache-maven-3.6.1/lib/maven-plugin-api-3.6.1.jar

apache-maven-3.6.1/lib/org.eclipse.sisu.plexus-0.3.3.jar

apache-maven-3.6.1/lib/cdi-api-1.0.jar

apache-maven-3.6.1/lib/jsr250-api-1.0.jar

apache-maven-3.6.1/lib/javax.inject-1.jar

apache-maven-3.6.1/lib/org.eclipse.sisu.inject-0.3.3.jar

apache-maven-3.6.1/lib/maven-model-builder-3.6.1.jar

apache-maven-3.6.1/lib/maven-resolver-provider-3.6.1.jar

apache-maven-3.6.1/lib/maven-resolver-api-1.3.3.jar

apache-maven-3.6.1/lib/maven-resolver-spi-1.3.3.jar

apache-maven-3.6.1/lib/maven-resolver-util-1.3.3.jar

apache-maven-3.6.1/lib/maven-resolver-impl-1.3.3.jar

apache-maven-3.6.1/lib/slf4j-api-1.7.25.jar

apache-maven-3.6.1/lib/maven-shared-utils-3.2.1.jar

apache-maven-3.6.1/lib/commons-io-2.5.jar

apache-maven-3.6.1/lib/guice-4.2.1-no_aop.jar

apache-maven-3.6.1/lib/aopalliance-1.0.jar

apache-maven-3.6.1/lib/guava-25.1-android.jar

apache-maven-3.6.1/lib/jsr305-3.0.2.jar

apache-maven-3.6.1/lib/checker-compat-qual-2.0.0.jar

apache-maven-3.6.1/lib/error_prone_annotations-2.1.3.jar

apache-maven-3.6.1/lib/j2objc-annotations-1.1.jar

apache-maven-3.6.1/lib/animal-sniffer-annotations-1.14.jar

apache-maven-3.6.1/lib/commons-cli-1.4.jar

apache-maven-3.6.1/lib/maven-compat-3.6.1.jar

apache-maven-3.6.1/lib/wagon-provider-api-3.3.2.jar

apache-maven-3.6.1/lib/wagon-http-3.3.2-shaded.jar

apache-maven-3.6.1/lib/jcl-over-slf4j-1.7.25.jar

apache-maven-3.6.1/lib/wagon-file-3.3.2.jar

apache-maven-3.6.1/lib/maven-resolver-connector-basic-1.3.3.jar

apache-maven-3.6.1/lib/maven-resolver-transport-wagon-1.3.3.jar

apache-maven-3.6.1/lib/maven-slf4j-provider-3.6.1.jar

apache-maven-3.6.1/lib/jansi-1.17.1.jar

[root@master maven]# l

apache-maven-3.6.1 apache-maven-3.6.1-bin.tar.gz

[root@master maven]# cd apache-maven-3.6.1

[root@master apache-maven-3.6.1]# l

in boot conf lib LICENSE NOTICE README.txt

[root@master apache-maven-3.6.1]# cd conf/

[root@master conf]# l

logging settings.xml toolchains.xml

[root@master conf]#

3）添加Maven_Home环境变量，并验证

1）vim /etc/profile

在/etc/profile最后追加Maven_Home，并追加到Path中：

[root@master apache-maven-3.6.1]# vim /etc/profile
。。。
export WORK_SPACE=/opt/
export JAVA_HOME=$WORK_SPACE/jdk1.8.0_171
export JRE_HOME=/opt/jdk1.8.0_171/jre
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
export CLASSPATH=$CLASSPATH:.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib

export SCALA_HOME=$WORK_SPACE/scala-2.11.0
export PATH=$PATH:$SCALA_HOME/bin

export MAVEN_HOME=/opt/devops/maven/apache-maven-3.6.1
export PATH=$PATH:$MAVEN_HOME/bin
"/etc/profile" 98L, 2475C written
[root@master apache-maven-3.6.1]#

2）运行source /etc/profile使其生效

[root@master apache-maven-3.6.1]# source /etc/profile
[root@master apache-maven-3.6.1]#

3）运行mvn -version验证生效

[root@master conf]# mvn -v

Apache Maven 3.6.1 (d66c9c0b3152b2e69ee9bac180bb8fcc8e6af555; 2019-04-05T03:00:29+08:00)

Maven home: /opt/devops/maven/apache-maven-3.6.1

Java version: 1.8.0_171, vendor: Oracle Corporation, runtime: /opt/jdk1.8.0_171/jre

Default locale: en_US, platform encoding: UTF-8

OS name: "linux", version: "3.10.0-862.el7.x86_64", arch: "amd64", family: "unix"

[root@master conf]# cd ~

[root@master ~]# mvn -v

Apache Maven 3.6.1 (d66c9c0b3152b2e69ee9bac180bb8fcc8e6af555; 2019-04-05T03:00:29+08:00)

Maven home: /opt/devops/maven/apache-maven-3.6.1

Java version: 1.8.0_171, vendor: Oracle Corporation, runtime: /opt/jdk1.8.0_171/jre

Default locale: en_US, platform encoding: UTF-8

OS name: "linux", version: "3.10.0-862.el7.x86_64", arch: "amd64", family: "unix"

[root@master ~]#

配置远程中央仓库：

一般情况下可以配置为国外的远程中央仓库，但是在国内从国外远程中央仓库下载jar包的速度比较差。如果国内的话，建议使用阿里的远程中央仓库（下载速度快）。

vi /opt/devops/maven/apache-maven-3.6.1/conf/settings.xml

在mirrors标签下添加：

    <mirror>
      <id>alimaven</id>
      <name>aliyun maven</name>
      <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
      <mirrorOf>central</mirrorOf>        
    </mirror>

配置后效果：

Devops（一）：CentOS7安装Maven3.6.1详解

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