Program: 49600
Project: 49600
Buggy source:
/** 
 * Before executing any entitlement pool query, check our underlying subscription service and update the pool data. Must be careful to call this before we do any pool query. Note that refreshing the pools doesn't actually take any action, should a subscription be reduced, expired, or revoked. Pre-existing entitlements will need to be dealt with separately from this event.
 * @param owner Owner to be refreshed.
 * @param productId Products to refresh.
 */
private void refreshPools(Owner owner,String productId){
  List<Subscription> subs=subAdapter.getSubscriptions(owner,productId);
  List<Pool> pools=listByOwnerAndProductNoRefresh(owner,productId);
  Map<Long,Pool> subToPoolMap=new HashMap<Long,Pool>();
  for (  Pool p : pools) {
    if (p.getSubscriptionId() != null) {
      subToPoolMap.put(p.getSubscriptionId(),p);
    }
  }
  for (  Subscription sub : subs) {
    if (!subToPoolMap.containsKey(sub.getId())) {
      Pool newPool=new Pool(owner,productId,sub.getQuantity(),sub.getStartDate(),sub.getEndDate());
      newPool.setSubscriptionId(sub.getId());
      create(newPool);
      subToPoolMap.remove(sub.getId());
    }
 else {
      Pool existingPool=subToPoolMap.get(sub.getId());
      existingPool.setQuantity(sub.getQuantity());
      existingPool.setStartDate(sub.getStartDate());
      existingPool.setEndDate(sub.getEndDate());
      merge(existingPool);
    }
  }
  for (  Entry<Long,Pool> entry : subToPoolMap.entrySet()) {
    entry.getValue().setActiveSubscription(Boolean.FALSE);
    merge(entry.getValue());
  }
}

Fixed version (ground truth):
/** 
 * Before executing any entitlement pool query, check our underlying subscription service and update the pool data. Must be careful to call this before we do any pool query. Note that refreshing the pools doesn't actually take any action, should a subscription be reduced, expired, or revoked. Pre-existing entitlements will need to be dealt with separately from this event.
 * @param owner Owner to be refreshed.
 * @param productId Products to refresh.
 */
private void refreshPools(Owner owner,String productId){
  log.debug("String_Node_Str");
  List<Subscription> subs=subAdapter.getSubscriptions(owner,productId);
  List<Pool> pools=listByOwnerAndProductNoRefresh(owner,productId);
  Map<Long,Pool> subToPoolMap=new HashMap<Long,Pool>();
  for (  Pool p : pools) {
    if (p.getSubscriptionId() != null) {
      subToPoolMap.put(p.getSubscriptionId(),p);
    }
  }
  for (  Subscription sub : subs) {
    if (!subToPoolMap.containsKey(sub.getId())) {
      log.debug("String_Node_Str" + sub.getId());
      Pool newPool=new Pool(owner,productId,sub.getQuantity(),sub.getStartDate(),sub.getEndDate());
      newPool.setSubscriptionId(sub.getId());
      create(newPool);
      subToPoolMap.remove(sub.getId());
    }
 else {
      log.debug("String_Node_Str" + sub.getId());
      Pool existingPool=subToPoolMap.get(sub.getId());
      existingPool.setQuantity(sub.getQuantity());
      existingPool.setStartDate(sub.getStartDate());
      existingPool.setEndDate(sub.getEndDate());
      merge(existingPool);
      subToPoolMap.remove(sub.getId());
    }
  }
  for (  Entry<Long,Pool> entry : subToPoolMap.entrySet()) {
    log.debug("String_Node_Str" + entry.getValue());
    entry.getValue().setActiveSubscription(Boolean.FALSE);
    merge(entry.getValue());
  }
}