What steps will reproduce the problem? 1. java -jar TEXT2RDF.jar

I get following Exception:

javax.swing.UnsupportedLookAndFeelException: [The Microsoft Windows Look and Feel - com.sun.java.swing.plaf.windows.WindowsLookAndFeel] not supported on this platform at javax.swing.UIManager.setLookAndFeel(UIManager.java:517) at javax.swing.UIManager.setLookAndFeel(UIManager.java:574) at javaswing2.Text2RDFFrame.initLookAndFeel(Text2RDFFrame.java:123) at javaswing2.Text2RDFFrame.<init>(Text2RDFFrame.java:34) at javaswing2.Text2RDFFrame$5.run(Text2RDFFrame.java:924) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:226) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:647) at java.awt.EventQueue.access$000(EventQueue.java:96) at java.awt.EventQueue$1.run(EventQueue.java:608) at java.awt.EventQueue$1.run(EventQueue.java:606) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105) at java.awt.EventQueue.dispatchEvent(EventQueue.java:617) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177) at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)