this.parent = requester;
this.maxMinFailures = maxProbeEditions;
this.origUSK = origUSK;
this.uskManager = manager;
this.minFailures = this.origMinFailures = minFailures;
<BUG>runningAttempts = new Vector();

callbacks = new LinkedList();

subscribers = new HashSet();
</BUG>
lastFetchedEdition = -1;

this.parent = requester;
this.maxMinFailures = maxProbeEditions;
this.origUSK = origUSK;
this.uskManager = manager;
this.minFailures = this.origMinFailures = minFailures;
runningAttempts = new Vector<USKAttempt>();
callbacks = new LinkedList<USKFetcherCallback>();
subscribers = new HashSet<USKCallback>();
lastFetchedEdition = -1;
