I updated my local copy to rev 23805. I can launch forge from within Eclipse.
I did another build and deploy and now get a different type of freeze when launching the snapshot. My terminal window states:
(ThreadUtil first call): Running on a machine with 2 cpu core(s)
Exception in thread "main" java.lang.ArithmeticException: / by zero
at forge.CardStorageReader.makeTaskListForFiles(CardStorageReader.java:277)
at forge.CardStorageReader.loadCards(CardStorageReader.java:177)
at forge.StaticData.<init>(StaticData.java:41)
at forge.Singletons.initializeOnce(Singletons.java:79)
at forge.view.Main.main(Main.java:40)
And I now get a different message in the progress bar: