Maven 3.3.3 - MAC Yosemite -错误:在尝试运行mvn -version时无法找到或加载主类



我的.bash_profile中有以下内容

export M2_HOME=/usr/local/Cellar/maven/3.3.3
export M2=$M2_HOME/bin
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home/jre
export PATH=/usr/bin:/usr/sbin:/bin:/sbin
export PATH=$M2:$PATH
export PATH=$JAVA_HOME/bin:$PATH

这是从终端

直接复制粘贴的
Last login: Mon May 25 20:58:46 on ttys000
Harleys-MacBook-Pro:~ chiphansel$ open .bash_profile
Harleys-MacBook-Pro:~ chiphansel$ java -version
java version "1.8.0_45"
Java(TM) SE Runtime Environment (build 1.8.0_45-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)
Harleys-MacBook-Pro:~ chiphansel$ mvn -version
Error: Could not find or load main class org.codehaus.plexus.classworlds.launcher.Launcher
Harleys-MacBook-Pro:~ chiphansel$ echo $PATH
/Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home/jre/bin:/usr/local/Cellar/maven/3.3.3/bin:/usr/bin:/usr/sbin:/bin:/sbin
Harleys-MacBook-Pro:~ chiphansel$ 

它发现java设置正确(我认为),maven是正确的目录。我是Mac的新手,我发现我知识的缺乏非常令人沮丧。

欢迎来到Mac世界!看起来你用的是Homebrew。是,则不需要导出$M2_HOME$M2。但是你的Homebrew地窖应该正确地添加到$PATH

$ echo $PATH
/usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin

/usr/local/binHomebrew需要的一切。

$ echo $JAVA_HOME
/Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home

并尝试删除$JAVA_HOME末尾的/jre

请不要将$JAVA_HOME添加到$PATH

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