#fixed code
                                @Override
    public long countEntitiesOfType(Class<?> entity) {
        ClassInfo classInfo = session.metaData().classInfo(entity.getName());
        if (classInfo == null) {
            return 0;
        }

        RowModelQuery countStatement = new AggregateStatements().countNodesLabelledWith(classInfo.labels());
        Transaction tx = session.ensureTransaction();

        try (Neo4jResponse<RowModel> response = session.requestHandler().execute(countStatement, tx)) {
            RowModel queryResult = response.next();
            return queryResult == null ? 0 : ((Number) queryResult.getValues()[0]).longValue();
        }
    }
#vulnerable code 
                                @Override
    public long countEntitiesOfType(Class<?> entity) {
        ClassInfo classInfo = session.metaData().classInfo(entity.getName());
        if (classInfo == null) {
            return 0;
        }

        RowModelQuery countStatement = new AggregateStatements().countNodesLabelledWith(classInfo.labels());
        String url  = session.ensureTransaction().url();
        try (Neo4jResponse<RowModel> response = session.requestHandler().execute(countStatement, url)) {
            RowModel queryResult = response.next();
            return queryResult == null ? 0 : ((Number) queryResult.getValues()[0]).longValue();
        }
    } 
                            #location 9 
                            #vulnerability type RESOURCE_LEAK