java.lang.NullPointerException
at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1264)
at sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:219).
at sun.awt.FontConfiguration.init(FontConfiguration.java:107)
at sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:774)
at sun.font.SunFontManager$2,run(SunFontManager.java:431)
at java.security.AccessController.doPrivileged(NativeMethod)
at sun.font.SunFontManager.<init>(SunFontManager.java:376)
at sun.awt.FcFontManager.<init>(FcFontManager.java:35)
at sun.awt.X11FontManager.<init>(X11FontManagerjava:57)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeMethod)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at sun.font.FontManagerFactory$1.run(FontManagerFactory.java:83)
at java.security.AccessController.doPrivileged(NativeMethod)
at sun.font.FontManagerFactory.getInstance(FontManagerFactoryjava:74)
at sun.font.SunFontManager.getInstance(SunFontManager.java:250)
at sun.font.FontDesignMetrics.getMetrics(FontDesignMetrics.java:264)
at sun.font.FontDesignMetrics.getMetrics(FontDesignMetrics.java:250)
at sun.awt.SunToolkit.getFontMetrics(SunToolkit.java:652)
at sun.awt.HeadlessToolkit.getFontMetrics(HeadlessToolkit.java:413)