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

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

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

        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, Collection<Long> ids, SortOrder sortOrder, Pagination pagination, int depth) {

        Transaction tx = session.ensureTransaction();

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

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

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