Exception in thread "main" java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:169)
	at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:68)
	at sun.awt.X11.XToolkit.<clinit>(XToolkit.java:89)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:169)
	at java.awt.Toolkit$2.run(Toolkit.java:834)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:826)
	at sun.swing.SwingUtilities2$AATextInfo.getAATextInfo(SwingUtilities2.java:122)
	at javax.swing.plaf.metal.MetalLookAndFeel.initComponentDefaults(MetalLookAndFeel.java:1554)
	at javax.swing.plaf.basic.BasicLookAndFeel.getDefaults(BasicLookAndFeel.java:130)
	at javax.swing.plaf.metal.MetalLookAndFeel.getDefaults(MetalLookAndFeel.java:1589)
	at javax.swing.UIManager.setLookAndFeel(UIManager.java:514)
	at javax.swing.UIManager.setLookAndFeel(UIManager.java:554)
	at javax.swing.UIManager.initializeDefaultLAF(UIManager.java:1317)
	at javax.swing.UIManager.initialize(UIManager.java:1406)
	at javax.swing.UIManager.maybeInitialize(UIManager.java:1394)
	at javax.swing.UIManager.getUI(UIManager.java:980)
	at javax.swing.JPanel.updateUI(JPanel.java:109)
	at javax.swing.JPanel.<init>(JPanel.java:69)
	at javax.swing.JPanel.<init>(JPanel.java:92)
	at javax.swing.JPanel.<init>(JPanel.java:100)
	at edu.jhu.ece.iacl.jist.pipeline.view.input.ParamInputView.<init>(ParamInputView.java:67)
	at edu.jhu.ece.iacl.jist.pipeline.view.input.ParamCollectionInputView.<init>(ParamCollectionInputView.java:71)
	at edu.jhu.ece.iacl.jist.pipeline.view.input.ParamCollectionInputView.<init>(ParamCollectionInputView.java:59)
	at edu.jhu.ece.iacl.jist.pipeline.factory.ParamCollectionFactory.getInputView(ParamCollectionFactory.java:115)
	at edu.jhu.ece.iacl.jist.pipeline.parameter.ParamModel.getInputView(ParamModel.java:153)
	at edu.jhu.ece.iacl.jist.pipeline.parameter.ParamCollection.remove(ParamCollection.java:578)
	at edu.jhu.ece.iacl.jist.pipeline.parser.JistLayoutParser.parsePipeAlgorithm(JistLayoutParser.java:79)
	at edu.jhu.ece.iacl.jist.cli.runLayout.main(runLayout.java:30)