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Start your free trialPedro Dellagnelo
3,291 PointsActiveRecord::ConnectionNotEstablished
When starting a local server and accessing the localhost, I get the following error:
ActiveRecord::ConnectionNotEstablished No connection pool with id primary found.
Running ruby 2.6.6 and rails 5.0.7.2
1 Answer
John McGarvey
14,026 PointsThe problem is with the database or with the way the connection to the database is defined. If you are using sqlite, the current version of the sqlite3 gem will not run with rails 5.0.7.2. You need gem 'sqlite3', '~> 1.3.6' in your Gemfile.