Хворь с tuxguitar

dikar@home:~$ tuxguitar Exception in thread "main" java.lang.NoClassDefFoundError: org.herac.tuxguitar.gui.TuxGuitar at java.lang.Class.initializeClass(libgcj.so.90) at org.herac.tuxguitar.gui.TGMain.main(Unknown Source) Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.widgets.Layout not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:./,file:/usr/share/tuxguitar/,file:/usr/share/tuxguitar//tuxguitar.jar,file:/usr/share/java/itext.jar,file:./], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}} at java.net.URLClassLoader.findClass(libgcj.so.90) at gnu.gcj.runtime.SystemClassLoader.findClass(libgcj.so.90) at java.lang.ClassLoader.loadClass(libgcj.so.90) at java.lang.ClassLoader.loadClass(libgcj.so.90) at java.lang.Class.initializeClass(libgcj.so.90)