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Common errors

Error:

When mix ecto.create gets exception:

** (Mix) The database for Socker.Repo couldn't be created: an exception was raised: ** (DBConnection.ConnectionError) tcp connect (localhost:5432): connection refused - :econnrefused

Solution:

  • Remove /usr/local/var/postgres/postmaster.pid and restart postgres
  • If it does not work, remove /usr/local/var/postgres/ and reinstall postgres

Error:

When mix ecto.create gets exception:

** (Mix) The database for Socker.Repo couldn't be created: FATAL 28000 (invalid_authorization_specification): role "postgres" does not exist

Solution:

  • sudo -u kelvinst psql postgres
  • CREATE USER postgres SUPERUSER;
  • CREATE DATABASE postgres WITH OWNER postgres;