Resolving 'EXECABORT Transaction discarded because of previous errors' Error in ChirpStack and Redis

When installing ChirpStack and using it with UMH, you may encounter an error message that says EXECABORT Transaction discarded because of previous errors. This error message indicates that a transaction initiated in Redis has encountered an error and has been discarded. This guide will provide you with a solution to help you resolve this error and ensure that your ChirpStack and Redis installation is working correctly.

Problem

The "EXECABORT Transaction discarded because of previous errors" error message may occur when using Redis. There are several possible causes of this error, including insufficient RAM on the PC or incorrect configuration of Redis.

“EXECABORT Transaction discarded because of previous errors”

Solution

1. Scale down the Redis cluster: If you have a Redis cluster with 3 replicas, try scaling it down to 1 replica. This can help to reduce the load on the system and prevent further errors from occurring.
2. Check the configuration of Redis: Ensure that the Redis configuration is correctly set up and functioning properly. You can do this by checking the Redis logs and reviewing the configuration settings to ensure that they are correct.
3. Increase the RAM: If the error persists, it may be due to insufficient RAM on the PC. You can try increasing the RAM to see if this resolves the issue.