Tableau Desktop 2020.4 用の Oracle OCI ドライバーと Essbase ドライバーの両方をインストールした後、Tableau Desktop で Oracle に接続すると、次のエラーが発生する場合があります。
An error occurred while communicating with Oracle (Oracle との通信中にエラーが発生しました)
Bad Connection: Tableau could not connect to the data source (無効な接続: Tableau はデータ ソースに接続できませんでした)
Error Code: 383490FC (エラー コード: 383490FC)
Unable to connect to the Oracle server '<server>. Check that the server is running and that you have access privileges to the requested database. (Oracle サーバー '<server>' に接続できません。サーバーが実行されており、要求したデータベースに対してアクセス権限を持っていることを確認してください。)
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