Error connecting to Redis on 127.0.0.1:6379 (Errno::ECONNREFUSED) HEROKU code example
Example 1: Could not connect to Redis at 127.0.0.1:6379: Connection refused
redis-server
Example 2: Error: Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED 127.0.0.1:6379
sudo service redis-server status