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Exception: ActiveRecord::DatabaseConnectionError

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ConnectionNotEstablished, AdapterError, ActiveRecordError, StandardError
Instance Chain:
self, ConnectionNotEstablished, AdapterError, ActiveRecordError, StandardError
Inherits: ActiveRecord::ConnectionNotEstablished
Defined in: activerecord/lib/active_record/errors.rb

Overview

Raised when connection to the database could not been established because it was not able to connect to the host or when the authorization failed.

Class Method Summary

ConnectionNotEstablished - Inherited

.new

AdapterError - Inherited

.new

Instance Attribute Summary

AdapterError - Inherited

#connection_pool

Instance Method Summary

ConnectionNotEstablished - Inherited

#set_pool

Constructor Details

.new(message = nil) ⇒ DatabaseConnectionError

[ GitHub ] 

  


# File 'activerecord/lib/active_record/errors.rb', line 94



def initialize(message = nil)
  super(message || "Database connection error")
end


  







Class Method Details



  

    .hostname_error(hostname)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/errors.rb', line 99



def hostname_error(hostname)
  DatabaseConnectionError.new(<<~MSG)
    There is an issue connecting with your hostname: #{hostname}.\n
    Please check your database configuration and ensure there is a valid connection to your database.
  MSG
end


  








  

    .username_error(username)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/errors.rb', line 106



def username_error(username)
  DatabaseConnectionError.new(<<~MSG)
    There is an issue connecting to your database with your username/password, username: #{username}.\n
    Please check your database configuration to ensure the username/password are valid.
  MSG
end