public List<WebURL> get(int max) throws DatabaseException {
		synchronized (mutex) {
			int matches = 0;
			List<WebURL> results = new ArrayList<WebURL>(max);

			Cursor cursor = null;
			OperationStatus result;
			DatabaseEntry key = new DatabaseEntry();
			DatabaseEntry value = new DatabaseEntry();
			Transaction txn;
			if (resumable) {
				txn = env.beginTransaction(null, null);
			} else {
				txn = null;
			}
			try {
				cursor = urlsDB.openCursor(txn, null);
				result = cursor.getFirst(key, value, null);

				while (matches < max && result == OperationStatus.SUCCESS) {
					if (value.getData().length > 0) {
						results.add(webURLBinding.entryToObject(value));
						matches++;
					}
					result = cursor.getNext(key, value, null);
				}
			} catch (DatabaseException e) {
				if (txn != null) {
					txn.abort();
					txn = null;
				}
				throw e;
			} finally {
				if (cursor != null) {
					cursor.close();
				}
				if (txn != null) {
					txn.commit();
				}
			}
			return results;
		}
	}