Error: connection to redis failed after 2 failures
What's Causing This Error
The error message 'connection to redis failed after 2 failures' pops up when Redis fails to establish a connection with the specific host or port. The possible reasons for this error message could be network problems, wrong configuration settings, firewall restrictions, or even a service outage of Redis server.
Redis commonly retries a couple of times before displaying this error message if it fails to connect. Identifying the root cause is critical in resolving the issue effectively.
Solution - Here's How To Resolve It
To fix the 'connection to redis failed after 2 failures' error, you can attempt the following solutions:
-
Confirm network connectivity: Ensure that the Redis configuration specifies the correct host and port and that there are no firewalls or network issues preventing the connection.
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Verify Redis server status: Check if the Redis server is operational and reachable. You can utilize command-line tools such as
redis-cli
or GUI-based clients to connect to Redis and check its status. -
Increase connection retry attempts: You can adjust the number of retry attempts in the Redis configuration file so that Redis tries more times before giving up.
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Reconfigure Redis settings: If none of the above steps solve the issue, consider reconfiguring Redis settings such as changing the port, binding address, or other settings as required.
By following these steps, you should be able to fix the 'connection to redis failed after 2 failures' error and restore normal Redis connectivity.
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Other Common Redis Errors (with Solutions)
- could not connect to redis at 127.0.0.1:6379: connection refused
- redis error server closed the connection
- redis.exceptions.responseerror: value is not an integer or out of range
- redis.exceptions.responseerror moved
- redis.exceptions.responseerror noauth authentication required
- redis-server failed to start advanced key-value store
- spring boot redis unable to connect to localhost 6379
- unable to configure redis to keyspace notifications
- redis.clients.jedis.exceptions.jedismoveddataexception
- could not get resource from pool redis
- failed to restart redis service unit redis service not found
- job for redis-server.service failed because a timeout was exceeded
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