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    莫忘、初心：centos 7 配置 maven 3.x

    作者：[db:作者] 时间：2021-08-04 21:54


    JDK1.8 安装: https://zhaosongbin.blog.csdn.net/article/details/87914745
    maven 3.x 下载地址: https://maven.apache.org/download.cgi

    maven安装前请确认是否已经存在maven配置,如果有,请删除

    maven 3.x 下载并解压

    在这里插入图片描述
    新建maven目录

    [root@master home]# cd /home
[root@master home]# mkdir maven
[root@master home]# cd maven/

    maven安装包下载并解压

    [root@master maven]# wget https://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.6.1/binaries/apache-maven-3.6.1-bin.tar.gz

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

    maven 配置

    移动maven安装目录

    [root@master maven]# mv apache-maven-3.6.1 /usr/local/maven3

    在/etc/profile末尾添加maven环境变量:

    export M2_HOME=/usr/local/maven3
export PATH=$PATH:$JAVA_HOME/bin:$M2_HOME/bin

    [root@master nocas]# vim /etc/profile

else
    pathmunge /usr/local/sbin after
    pathmunge /usr/sbin after
fi
HOSTNAME=`/usr/bin/hostname 2>/dev/null`
HISTSIZE=1000
if [ "$HISTCONTROL" = "ignorespace" ] ; then
    export HISTCONTROL=ignoreboth
else
    export HISTCONTROL=ignoredups
fi

export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL

# By default, we want umask to get set. This sets it for login shell
# Current threshold for system reserved uid/gids is 200
# You could check uidgid reservation validity in
# /usr/share/doc/setup-*/uidgid file
if [ $UID -gt 199 ] && [ "`/usr/bin/id -gn`" = "`/usr/bin/id -un`" ]; then
    umask 002
else
    umask 022
fi

for i in /etc/profile.d/*.sh /etc/profile.d/sh.local ; do
    if [ -r "$i" ]; then
        if [ "${-#*i}" != "$-" ]; then
            . "$i"
        else
            . "$i" >/dev/null
        fi
    fi
done

unset i
unset -f pathmunge

export M2_HOME=/usr/local/maven3
export PATH=$PATH:$JAVA_HOME/bin:$M2_HOME/bin
-- INSERT --

    使修改后的/etc/profile配置文件生效 
    [root@master maven]# source /etc/profile

    查看版本号

    [root@master maven]# mvn -v
Apache Maven 3.6.1 (d66c9c0b3152b2e69ee9bac180bb8fcc8e6af555; 2019-04-05T03:00:29+08:00)
Maven home: /usr/local/maven3
Java version: 1.8.0_201, vendor: Oracle Corporation, runtime: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.201.b09-2.el7_6.x86_64/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-862.el7.x86_64", arch: "amd64", family: "unix"

    异常

    如果出现以下问题,请检查maven环境变量是否有错,
    确认下maven路径: M2_HOME是否正确
    请确认改路径下是否由maven的可执行文件

    [root@master maven]# mvn -v
-bash: mvn: command not found
    cs
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