ArangoDB-NET Error: System.Net.WebException: 'No such host is known No such host is known'

Question

I'm working on a project that needed a Graph DB. I'm developing the project using C# .Net Core. I had to choose ArangoDB as a Graph DB for this project. Unfortunately, there is no official driver for .Net. That's why I choose a community driver. That is ArangoDB-NET.

https://www.nuget.org/packages/ArangoDB-NET/

https://github.com/yojimbo87/ArangoDB-NET

The driver is working fine with my local installed ArangoDB database. The driver is returning an error when I'm trying to deploy the database in ArangoDB Cloud (ArangoDB Oasis).

Error: System.Net.WebException: 'No such host is known No such host is known'

Please check the below information about the database connection:

Connection String Settings:

  "DatabaseSettings": {
    "ConnectionName": "CloudDBConnection",
    "Host": "https://xxxxxxxx.arangodb.cloud",
    "Port": 8529,
    "UserName": "root",
    "Password": "xxxxxxxx",
    "DatabaseName": "KKBDTestDB"
  }

Database Connection:

private readonly ADatabase db;
public DatabseService(IDatabaseSettings settings)
{
    ASettings.AddConnection(settings.ConnectionName, settings.Host, settings.Port, false, settings.DatabaseName, settings.UserName, settings.Password, true);
    db = new ADatabase(settings.ConnectionName);
}

yes, it is. I can access the database using the host and the port. — csharpbd
– csharpbd, Commented Sep 23, 2021 at 20:58

Oris Sin · Accepted Answer · 2021-09-24 09:21:43Z

2

1) Remove https from your host name, then try.

Connection string should be:

"DatabaseSettings": {
    "ConnectionName": "CloudDBConnection",
    "Host": "xxxxxxxx.arangodb.cloud",
    "Port": 8529,
    "UserName": "root",
    "Password": "xxxxxxxx",
    "DatabaseName": "KKBDTestDB"
  }

2) Download public key for windows from arongodb cloud and follow the following steps:

Convert Certificate (PEM) to ca-9676da18.crt
Open a Powershell with Run as Administrator
certutil -addstore root ca-9676da18.crt

edited Sep 24, 2021 at 9:21

Oris Sin

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answered Sep 24, 2021 at 6:21

Plabon Ghosh

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