I have used Indigo Java (not Java EE) and the maven plugin is already installed. Or at least, I know I have the possibility to import a Maven Project without installing anything.
But then I wanted to use Eclipse Indigo for Java EE developers. This version does not have maven already installed. I can not import a maven project. So I decided to install the m2e plugin.
And I have tried to install it many different ways (information on theses sites):
http://code.google.com/p/google-web-toolkit/wiki/WorkingWithMaven http://googlewebtoolkit.blogspot.com/2011/09/working-with-maven-and-requestfactory.html http://code.google.com/p/listwidget
I also tried to use the Eclispe market place for the installation of the plugins. The installation process does not fail. But the Maven menu in import and Windows->Preference does not appear inside Indigo Java EE?
NB: I am running Windows 7, 64 bit edition
Here's what I did in Indigo.
Go to Help>>Install New Software
Paste the below URL over there http://download.eclipse.org/releases/indigo/
You will see a list below. From the list expand "Collaboration" and you can see m2e - maven integration for eclipse.
select that and click next. Got one error in between but it's working now.