title: java.awt.HeadlessException - No X11 DISPLAY variable was set, but this program performed an operation which requires it
body: <p>I am using Ubuntu 12.04 machine installed with java8 version. I've installed 389 Ldap server, but when I am trying to execute command <code>389-console</code>, iam getting below error:</p>
  
  <pre><code>Exception in thread "main" java.awt.HeadlessException: 
  No X11 DISPLAY variable was set, but this program performed an operation which requires it.
      at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:204)
      at java.awt.Window.&lt;init&gt;(Window.java:536)
      at java.awt.Frame.&lt;init&gt;(Frame.java:420)
      at java.awt.Frame.&lt;init&gt;(Frame.java:385)
      at javax.swing.JFrame.&lt;init&gt;(JFrame.java:189)
      at com.netscape.management.client.console.Console.&lt;init&gt;(Unknown Source)
      at com.netscape.management.client.console.Console.main(Unknown Source)
  </code></pre>
  
  <p>I even ran command <code>DISPLAY=:0.0</code>, but still getting above error only while executing <code>389-console</code></p>
  
  <p>Please tell me how to fix above?</p>