I am also having a bug when trying to autoupdate hijack with Jemplode. I open the database and then get this error:

at java.net.URL.<init>(Unknown Source)
at java.net.URL.<init>(Unknown Source)
at java.net.URL.<init>(Unknown Source)
at org.jempegjempeg.util.HijackVersionTracker.findLatestRelease(HijackVersionTracker.java:308)
at org.jempeg.empeg.util.HijackVersionTracker.isNewerVersionAvailable(HijackVersionTracker.java:308)
at org.jempeg.empeg.util.VersionTrackerUtils.upgrade(VersionTrackerUtils.java:46)
at org.jempeg.empeg.util.VersionTrackerUtils.upgrade(VersionTrackerUtils.java:26)
at org.jempeg.empeg.util.VersionTrackerUtils.upgrade(VersionTrackerUtils.java:18)
at org.jempeg.empeg.emplode.EmplodeConnection Manager$InitFromConnectionRunnable.run(EmplodeConnectionManager.java:133)
at java.lang.Thread.run(Unknown Source)

Damn that took forever to type. Any ideas? TIA