#vulnerable code 
                                @Override
    public <T> Collection<T> loadAll(Class<T> type, Filters filters, SortOrder sortOrder, Pagination pagination, int depth) {

        String url = session.ensureTransaction().url();
        String entityType = session.entityType(type.getName());
        QueryStatements queryStatements = session.queryStatementsFor(type);

        // all this business about selecting which type of model/response to handle is horribly hacky
        // it should be possible for the response handler to select based on the model implementation
        // and we should have a single method loadAll(...). Filters should not be a special case
        // though they are at the moment because of the problems with "graph" response format.
        if (filters.isEmpty()) {

            Query qry = queryStatements.findByType(entityType, depth)
                    .setSortOrder(sortOrder)
                    .setPagination(pagination);

            try (Neo4jResponse<GraphModel> response = session.requestHandler().execute(qry, url)) {
                return session.responseHandler().loadAll(type, response);
            }
        } else {

            filters = resolvePropertyAnnotations(type, filters);

            Query qry = queryStatements.findByProperties(entityType, filters, depth)
                    .setSortOrder(sortOrder)
                    .setPagination(pagination);

            if (depth != 0) {
                try (Neo4jResponse<GraphRowModel> response = session.requestHandler().execute((GraphRowModelQuery) qry, url)) {
                    return session.responseHandler().loadByProperty(type, response);
                }
            } else {
                try (Neo4jResponse<GraphModel> response = session.requestHandler().execute(qry, url)) {
                    return session.responseHandler().loadAll(type, response);
                }
            }
        }
    } 
                            #location 4 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                                @Override
    public <T> Collection<T> loadAll(Class<T> type, Filters filters, SortOrder sortOrder, Pagination pagination, int depth) {

        Transaction tx = session.ensureTransaction();
        String entityType = session.entityType(type.getName());
        QueryStatements queryStatements = session.queryStatementsFor(type);

        // all this business about selecting which type of model/response to handle is horribly hacky
        // it should be possible for the response handler to select based on the model implementation
        // and we should have a single method loadAll(...). Filters should not be a special case
        // though they are at the moment because of the problems with "graph" response format.
        if (filters.isEmpty()) {

            Query qry = queryStatements.findByType(entityType, depth)
                    .setSortOrder(sortOrder)
                    .setPagination(pagination);

            try (Neo4jResponse<GraphModel> response = session.requestHandler().execute(qry, tx)) {
                return session.responseHandler().loadAll(type, response);
            }
        } else {

            filters = resolvePropertyAnnotations(type, filters);

            Query qry = queryStatements.findByProperties(entityType, filters, depth)
                    .setSortOrder(sortOrder)
                    .setPagination(pagination);

            if (depth != 0) {
                try (Neo4jResponse<GraphRowModel> response = session.requestHandler().execute((GraphRowModelQuery) qry, tx)) {
                    return session.responseHandler().loadByProperty(type, response);
                }
            } else {
                try (Neo4jResponse<GraphModel> response = session.requestHandler().execute(qry, tx)) {
                    return session.responseHandler().loadAll(type, response);
                }
            }
        }
    }