I have a very simple default application that I\'ve created to test my Eclipse Indigo/Maven v3.0.1 setup on my Windows 7 machine. The Hello World app runs fine from Eclipse
I had similar issue. What changed was the move of nexus to VPN. Turned out I had DNS entry cached.
Flushing DNS fixed it. For record for Ubuntu like systems:
sudo systemd-resolve --flush-caches