title: Problems setting up Maven
body: <p>I am having difficulties installing Maven.</p>
  
  <p>I have set all the enviromental variables according to this: <a href="http://maven.apache.org/download.html" rel="noreferrer">http://maven.apache.org/download.html</a></p>
  
  <p>Although I am using windows 7, when I try and run the command <code>mvn --version</code>, I get,  <code>mvn is not recognized as an internal or external command</code> etc.</p>
  
  <p>When I run it from within <code>src\bin</code>, I get the error: </p>
  
  <pre><code>Exception in thread "main" java.lang.ClassNotFoundException: org.codehaus.plexus.classworlds.launcher.Launcher 
  at java.net.URLClassLoader$1.run&lt;URLClassLoader.java:202&gt;
  at java.security.AccessController.doPrivleged(Native Method) 
  ...etc
  </code></pre>
  
  <p>then:</p>
  
  <pre><code>Could not find the main class: org.codehaus.plexus.classworlds.launcher.Launcher.
  </code></pre>