无法使用拒绝的TigerGraph连接创建pyTigerGraph模式

Question

我是TigerGraph的绝对初学者，我正在学习这教程来熟悉它。在本教程中，使用Python脚本连接到TigerGraph解决方案并创建模式的部分中，我得到了一个“拒绝连接”错误。

守则：

# Imports
import pyTigerGraph as tg
import json
import pandas as pd

# Connection parameters
hostName = "https://DOMAIN.i.tgcloud.io"
userName = "tigergraph"
password = "XXXXXX"

conn = tg.TigerGraphConnection(host=hostName, username=userName, password=password)

print("Connected")

执行print("connected")语句，我能够看到输出中打印的“连接”。

代码的下一部分是发生错误的地方：

# DEFINE / CREATE ALL EDGES AND VERTICES 
results = conn.gsql('''
  USE GLOBAL
  CREATE VERTEX Person (PRIMARY_ID id STRING, name STRING, email STRING, username STRING, created_at DATETIME) WITH primary_id_as_attribute="true"
  CREATE VERTEX Post (PRIMARY_ID id STRING, content STRING, posted_date DATETIME, deleted BOOL) WITH primary_id_as_attribute="true"
  CREATE VERTEX Hashtag (PRIMARY_ID tag STRING) WITH primary_id_as_attribute="true"
  CREATE VERTEX Message (PRIMARY_ID id STRING, subject STRING, body STRING) WITH primary_id_as_attribute="true"
  CREATE DIRECTED EDGE posted (From Person, To Post, post_date DATETIME) WITH REVERSE_EDGE="reverse_posted"
  CREATE DIRECTED EDGE liked (From Person, To Post, like_date DATETIME) WITH REVERSE_EDGE="reverse_liked"
  CREATE DIRECTED EDGE has_tag (From Post, To Hashtag) WITH REVERSE_EDGE="reverse_has_tag"
  CREATE DIRECTED EDGE sent_message (From Person, To Message, to_person STRING, sent_date DATETIME) WITH REVERSE_EDGE="reverse_sent_message"
  CREATE DIRECTED EDGE received_message (From Message, To Person, from_person STRING, receive_date DATETIME, opened_date DATETIME) WITH REVERSE_EDGE="reverse_received_message"
''')
print(results)

我所犯的错误：

连接失败。检查您的用户名或密码，Errno 111连接拒绝，无法初始化客户端。见上面的错误。已发生异常，请使用%tb查看完整的跟踪

我检查了用户名和密码，它们是正确的。是什么导致了这个问题，我如何解决这个问题？

我发布代码片段的教程制造者提供的Google笔记本可以找到这里。

pyTigerGraph版本: 0.9.1

Answer 1

可以将tgCloud=True添加到参数设置中吗？

示例： conn = tg.TigerGraphConnection(host=hostName, username=userName, password=password, tgCloud=True)

随着TigerGraph的最新发布，云端口被更改为通过443进行路由。我已经被告知，逻辑检查即将进入pyTigeGraph，如果需要的话，它将自动应用tgCloud参数。

我已经创建了一个示例笔记本，您可以使用它作为测试。https://colab.research.google.com/drive/1U6REqBiMqUGtgolRtlbbLmPf-EkCGhvl?usp=sharing