[GitHub] [incubator-superset] Gowtham029 opened a new issue #8235: ERROR: {"error": "Connection failed!\n\nThe error message returned was:\n(psycopg2.OperationalError) could not translate host name \"example.com\" to address: Name or service not known\n (Background on this error at: http://sqlalche.me/e/e3q8)"}

[GitBox <gi...@apache.org>]

Gowtham029 opened a new issue #8235: ERROR: {"error": "Connection failed!\n\nThe error message returned was:\n(psycopg2.OperationalError) could not translate host name \"example.com\" to address: Name or service not known\n (Background on this error at: http://sqlalche.me/e/e3q8)"}
URL: https://github.com/apache/incubator-superset/issues/8235
 
 
   Hi All,
   I have been trying to connect to postgres, but I am ending up with the error.
   
   
   ````
   ERROR: {"error": "Connection failed!\n\nThe error message returned was:\n(psycopg2.OperationalError) could not translate host name \"example.com\" to address: Name or service not known\n (Background on this error at: http://sqlalche.me/e/e3q8)"}
   ````
   
   ````
   OS : Centos 7
   DB : Postgres 9+
   Name: superset
   Version: 0.28.1
   License: Apache License, Version 2.0
   Location: /home/centos/venv/lib/python3.6/site-packages
   Requires: bleach, boto3, botocore, celery, click, colorama, contextlib2, cryptography, flask, flask-appbuilder, flask-caching, flask-compress, flask-migrate, flask-wtf, flower, future, geopy, gunicorn, humanize, idna, isodate, markdown, pandas, parsedatetime, pathlib2, polyline, pydruid, pyhive, python-dateutil, python-geohash, pyyaml, requests, simplejson, sqlalchemy, sqlalchemy-utils, sqlparse, tableschema, thrift, thrift-sasl, unicodecsv, unidecode
   `````
   
   I have installed the following packages
   ````
   pip install psycopg2
   Version: 2.8.3
   pip install psycopg2-binary
   Version: 2.8.3
   ```` 
   
   DB connection String : 
   1.postgresql://username:password@example.com/test_db
   **The above connection works when I installed superset with Docker.**
   2.postgresql+psycopg2://username:password@example.com/test_db
   
   
   Help me to solve the issue!
   
   Thanks in Advance.
   

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