- The firewall blocked remote connections to Redis.
- There is a misconfiguration or remote connections are not enabled for Redis.
- Connection failure is usually caused by internet issues such as network delays or disconnections.
- The Redis server is not started correctly or the service is not running.
- There is an error in the address or port configuration.
- The authentication information is incorrect or has not been set up.
- The Redis server has restricted access for remote connections.
- The client connection timed out or was refused.
- The lack of resources on the Redis server is causing it to be unable to handle connection requests.
- There is a network communication issue between the client and the Redis server.
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