Ste*_*e C 51
我个人从未发现它有用M2_HOME
.
重要的是你的$ PATH环境.劫持Danix的部分答案,您所需要的只是:
export PATH=/Users/xxx/sdk/apache-maven-3.0.5/bin:$PATH
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该mvn
脚本计算M2_HOME
为你,无论如何,这是非常值得.
Dan*_*nix 18
这是我的Maven设置.您可以将其用作示例.你不需要任何其他东西来使用Maven.
M2_HOME用于Maven 2和3
export M2_HOME=/Users/xxx/sdk/apache-maven-3.0.5
export M2=$M2_HOME/bin
export MAVEN_OPTS="-Xmx1048m -Xms256m -XX:MaxPermSize=312M"
export PATH=$M2:$PATH
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MAVEN_HOME用于maven 1,M2_HOME 用于定位maven 2.拥有两个不同的_HOME变量意味着可以在同一台机器上运行它们.如果你检查旧的mvn.cmd脚本他们有类似的东西,
@REM ----------------------------------------------------------------------------
@REM Maven2 Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
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看到了 @REM M2_HOME - location of maven2's installed home dir
无论如何,根据文档,maven 3.5现在不推荐使用此模式.
基于使用与安装的不同Maven版本相关的M2_HOME的问题并简化操作,M2_HOME的使用已被删除,不再支持MNG-5823,MNG-5836,MNG-5607
所以现在mvn.cmd看起来像,
@REM -----------------------------------------------------------------------------
@REM Apache Maven Startup Script
@REM
@REM Environment Variable Prerequisites
@REM
@REM JAVA_HOME Must point at your Java Development Kit installation.
@REM MAVEN_BATCH_ECHO (Optional) Set to 'on' to enable the echoing of the batch commands.
@REM MAVEN_BATCH_PAUSE (Optional) set to 'on' to wait for a key stroke before ending.
@REM MAVEN_OPTS (Optional) Java runtime options used when Maven is executed.
@REM MAVEN_SKIP_RC (Optional) Flag to disable loading of mavenrc files.
@REM -----------------------------------------------------------------------------
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所以你需要的是正确设置JAVA_HOME.根据新的安装指南(截至12/29/2017),只需将maven bin目录路径添加到PATH变量即可.它应该做的伎俩.
例如: export PATH=/opt/apache-maven-3.5.2/bin:$PATH
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