Maven home (M2_HOME) not being picked up by IntelliJ IDEA

Question

I am trying to do a simple maven build with IntelliJ IDEA 10.5.1 on OS X Lion and am getting the following error:

Error running my-app [package]: No valid Maven installation found. Either set the home directory in the configuration dialog or set the M2_HOME environment variable on your system.

I have set M2_HOME to the following, but I am still having issues. And yes, I did restart IntelliJ.

$ echo $M2_HOME /usr/share/maven 

I then manually entered the path to maven in IntelliJ's Maven Settings for the project. This is not something that I want to do for every project, so is there something I am missing with how to get IntelliJ know where my maven home is?

Answer 1

Mac OS apps cannot read bash environment variables. Look at this question Setting environment variables in OS X? to expose M2_HOME to all applications including IntelliJ. You do need to restart after doing this.

Answer 2

type in Terminal:

$ mvn --version 

then get following result:

Apache Maven 3.0.5 (r01de14724cdef164cd33c7c8c2fe155faf9602da; 2013-02-19 16:51:28+0300) Maven home: /opt/local/share/java/maven3 Java version: 1.6.0_65, vendor: Apple Inc. Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home Default locale: ru_RU, platform encoding: MacCyrillic OS name: "mac os x", version: "10.9.4", arch: "x86_64", family: "mac" 

here in second line we have:

Maven home: /opt/local/share/java/maven3 

type this path into field on configuration dialog. That's all to fix!