Exception in thread "main" java.lang.NullPointerException
        at org.apache.batik.apps.rasterizer.SVGConverterURLSource.<init>(SVGConv
erterURLSource.java:55)
        at org.apache.batik.apps.rasterizer.SVGConverter.computeSources(SVGConve
rter.java:775)
        at org.apache.batik.apps.rasterizer.SVGConverter.execute(SVGConverter.ja
va:654)
        at org.apache.batik.apps.rasterizer.Main.execute(Main.java:886)
        at org.apache.batik.apps.rasterizer.Main.main(Main.java:939)