Exception in thread "Thread-1" java.lang.ExceptionInInitializerError
at org.freehep.graphicsio.gif.GIFImageWriteParam.<init>(GIFImageWriteParam.java:28)
at org.freehep.graphicsio.gif.GIFImageWriter.getDefaultWriteParam(GIFImageWriter.java:73)
at org.freehep.graphicsio.exportchooser.ImageExportFileType.<init>(ImageExportFileType.java:71)
at org.freehep.graphicsio.gif.GIFExportFileType.<init>(GIFExportFileType.java:42)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
at java.lang.Class.newInstance0(Class.java:372)
at java.lang.Class.newInstance(Class.java:325)
at org.freehep.util.Service.providers(Service.java:71)
at org.freehep.util.export.ExportFileTypeRegistry.addApplicationClasspathExportFileTypes(ExportFileTypeRegistry.java:118)
at org.freehep.util.export.ExportFileTypeRegistry.getDefaultInstance(ExportFileTypeRegistry.java:50)
at org.freehep.util.export.ExportFileType.getExportFileTypes(ExportFileType.java:181)
at org.freehep.util.export.ExportFileType.getExportFileTypes(ExportFileType.java:173)
at org.freehep.util.export.ExportDialog.addAllExportFileTypes(ExportDialog.java:86)
at org.freehep.util.export.ExportDialog.<init>(ExportDialog.java:164)
at org.freehep.util.export.ExportDialog.<init>(ExportDialog.java:124)
at org.freehep.util.export.ExportDialog.<init>(ExportDialog.java:116)
at jp.riken.brain.ni.samuraigraph.application.SGImageExportManager.<init>(Unknown Source)
at jp.riken.brain.ni.samuraigraph.application.SGWindowManager.<init>(Unknown Source)
at jp.riken.brain.ni.samuraigraph.application.SGMainFunctions$Initializer.run(Unknown Source)
Caused by: java.lang.NullPointerException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.freehep.graphics2d.PixelGraphics2D.<clinit>(PixelGraphics2D.java:101)
... 22 more