title: Maven default life cycle not recognized by mvn
body: <p>I'm used to use <code>mvn</code> for compilation, packaging, and so on. Reading more carefully through the documentation, I learned that <code>mvn</code> takes as argument either a life cycle, a phase, or a goal. The documentation also states that there are three built-in life cycles, namely <code>default</code>, <code>clean</code>, and <code>site</code>.</p>
  <p>I can run <code>mvn clean</code> and <code>mvn site</code> but I cannot run <code>mvn default</code> , I get the following error:</p>
  <blockquote>
  <p>[ERROR] Unknown lifecycle phase &quot;default&quot;. You must specify a valid
  lifecycle phase or a goal ...</p>
  </blockquote>
  <p>Am I missing something obvious? I read several documentations and can't find anyone mentioning that <code>mvn default</code> should not work, and why.</p>