I downloaded Eclipse Kepler and tried to install M2Eclipse from its update site.
After selecting Maven Integration for Eclipse, I clicked Next and got the following error:
Missing requirement: Maven Integration for Eclipse 1.5.0.20140606-0033 (org.eclipse.m2e.core 1.5.0.20140606-0033) requires 'bundle com.google.guava [14.0.1,16.0.0)' but it could not be found
So I searched through the internet to find out how to install the Guava Eclipse plugin. Some say it's from the Eclipse marketplace, but it cannot be downloaded. I downloaded the binary and tried to copy it to Eclipse's plugin directory. Still the same result.
cp ~/Downloads/guava-16.0.1.jar /Applications/eclipse/plugins/com.google.guava_16.0.1.v1234.jar
How do I install the m2e plugin for Kepler?
m2e 1.5.0 requires Eclipse Luna. It will not work with Kepler or Indigo. (thanks to @HDave for the link)
So you have to use an older version of m2e under Kepler.
During installation, uncheck "Show only the latest versions of available software". Then only check the 1.4.1 version or lower version in the candidate list. It doesn't require the Guava dependency.