bitcoinj/bitcoinj — pull request #214 by mackler (2014-09-07 10:59:12+00:00)
Title: Don't bother pointless attempt to construct thread pool with no open cir...

...cuits.

It seems to be pointless for `TorDiscovery` to try to look up addresses if it has failed to open any circuits, especially as doing so results in `java.util.concurrent.ThreadPoolExecutor` raising an `IllegalArgumentException` that lacks any further diagnostic information.