Job Counters are not retrieved properly from web UI

    /**
     * Returns the value of the specified counter, or 0 if the counter does
     * not exist.
     */
    public synchronized long getCounter(String counterName) {
      for(Counter counter: subcounters.values()) {
        if (counter != null && counter.getDisplayName().equals(counterName)) {
          return counter.getValue();
        }
      }
      return 0L;
    }