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java.lang.NullPointerException at org.broad.igv.DirectoryManager.getIgvDirectory(DirectoryManager.java:121) at org.broad.igv.DirectoryManager.getPreferencesFile(DirectoryManager.java:250) at org.broad.igv.IGVPreferences.loadUserPreferences(IGVPreferences.java:113) at org.broad.igv.IGVPreferences.get(IGVPreferences.java:93) at org.broad.igv.IGVPreferences.get(IGVPreferences.java:86) at org.broad.igv.PreferenceManager.get(PreferenceManager.java:285) at org.broad.igv.PreferenceManager.get(PreferenceManager.java:289) at org.broad.igv.gs.GSUtils.getDMHost(GSUtils.java:201) at org.broad.igv.gs.GSUtils.isGenomeSpace(GSUtils.java:194) at org.broad.igv.util.HttpUtils.openConnection(HttpUtils.java:649) at org.broad.igv.util.HttpUtils.openConnection(HttpUtils.java:591) at org.broad.igv.util.HttpUtils.openConnectionHeadOrGet(HttpUtils.java:243) at org.broad.igv.util.HttpUtils.getHeaderField(HttpUtils.java:258) at org.broad.igv.util.HttpUtils.getContentLength(HttpUtils.java:272) at org.broad.igv.util.HttpUtils.useByteRange(HttpUtils.java:775) at org.broad.igv.util.stream.IGVSeekableStreamFactory.getStreamFor(IGVSeekableStreamFactory.java:52) at juicebox.data.DatasetReaderV2.<init>(DatasetReaderV2.java:77) at juicebox.data.HiCFileTools.extractDatasetForCLT(HiCFileTools.java:63) at juicebox.tools.clt.old.Dump.readArguments(Dump.java:395) at juicebox.tools.HiCTools.main(HiCTools.java:77)