dk.netarkivet.harvester.webinterface.HarvestStatusQuery(Long harvestId, Long harvestRunNumber) doesn't work

public static JobStatusInfo getHarvestStatus(Long hid) {
        if (hid == null) {
            logger.warning("Null harvestdefinition is not valid");
            return null;
        }
        HarvestDefinitionDAO hdao = HarvestDefinitionDAO.getInstance();
        if (hdao.exists(hid)) {
            HarvestStatusQuery hsq = new HarvestStatusQuery(hid, 0); 
            HarvestStatus hs = JobDAO.getInstance().getStatusInfo(hsq);
            List<JobStatusInfo> jobs = hs.getJobStatusInfo();
            if (jobs.size() == 0) { // No jobs yet created (What can go wrong here??)
                return null;
            } else if (jobs.size() == 1) {
                return jobs.get(0);
            } else {
                throw new WebdanicaException("Should be either 0 or 1 jobs generated, but there are  " + jobs.size() + " jobs for harvestId " + hid + " and harvestRun 0");   
            }
        } else {
            logger.warning("No harvestdefinition w/id=" + hid + " exists!");
            return null;
        }
    }