title: I am getting this error when executing mpjboot on machines
body: <p>i set MPJ_HOME in the environment variable and when i execute mpjboot machines i get this error</p>
  
  <pre><code>Error: MPJ_HOME environment variable not set!!!
  </code></pre>
  
  <p><code>java.lang.Exception: MPJ_HOME environment variable not set!!!</code></p>
  
  <pre><code>at runtime.daemon.MPJDaemon.&lt;init&gt;(MPJDaemon.java:87)
  
  
  
  at runtime.daemon.MPJDaemon.main(MPJDaemon.java:252)
  
  [server] Unable to start MPJ Express daemon
  </code></pre>