title: Upgrading Maven on Mac
body: <p>Tried to upgrade maven. Followed <a href="http://myjeeva.com/how-to-do-maven-upgrade-in-mac-os-x.html" rel="noreferrer">this</a> tutorial. Now I am getting this<a href="https://i.stack.imgur.com/3Mv7m.png" rel="noreferrer"><img src="https://i.stack.imgur.com/3Mv7m.png" alt="enter image description here"></a></p>
  
  <p>How does a file exist and not exist?</p>