IMO, M2_HOME is no longer a required env starting 2.2.1, and there for it is used mainly for the exact use case that Manfred mentioned. I myself use a set a wrapper scripts ( mvn221, mvn311, etc) since it is much easier to remember.
I also got bitten a number of times where user had M2_HOME set, and install new version of Maven without reset M2_HOME, and fail mysteriously (support call) here is the link to Benson's issue, it is not conclusive http://maven.40175.n5.nabble.com/VOTE-Release-Apache-Maven-Release-Plugin-version-2-5-1-td5805498.html -Dan On Mon, Jan 26, 2015 at 10:47 PM, Kristian Rosenvold < kristian.rosenv...@gmail.com> wrote: > I seem to recall Benson ran into a case with either release or site > where it was still required no too long ago ? > > Kristian > > > 2015-01-27 7:19 GMT+01:00 Anders Hammar <and...@hammar.net>: > >> I would still suggest to make sure its documented somewhere. I find it > >> incredibly useful to just change M2_HOME to simply switch Maven > versions. > >> > > > > +1, very useful but I guess it doesn't require the name M2_HOME. > > > > /Anders > > > >> > >> manfred > >> > >> Mirko Friedenhagen wrote on 26.01.2015 21:40: > >> > >> > Dan, go ahead, I have not set this variable for years. > >> > > >> > Regards > >> > Mirko > >> > -- > >> > Sent from my mobile > >> > On Jan 27, 2015 5:52 AM, "Dan Tran" <dant...@gmail.com> wrote: > >> > > >> >> Hi, > >> >> > >> >> Any objection to remove the need to setup M2_HOME env variable at > maven > >> >> download page? > >> >> > >> >> > >> >> Thanks > >> >> > >> >> -Dan > >> >> > >> >> https://jira.codehaus.org/browse/MNGSITE-223 > >> >> > >> > > >> > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org > >> For additional commands, e-mail: dev-h...@maven.apache.org > >> > >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org > For additional commands, e-mail: dev-h...@maven.apache.org > >