Exception: ActiveRecord::ConnectionNotEstablished

Inherits:

AdapterError

• Object
• StandardError
• ActiveRecordError
• AdapterError
• ActiveRecord::ConnectionNotEstablished

Defined in:

lib/active_record/errors.rb

Overview

Raised when connection to the database could not been established (for example when ActiveRecord::Base.connection= is given a nil object).

Direct Known Subclasses

ConnectionTimeoutError, DatabaseConnectionError

Instance Attribute Summary

Attributes inherited from AdapterError

#connection_pool

Instance Method Summary

• #initialize(message = nil, connection_pool: nil) ⇒ ConnectionNotEstablished constructor

  A new instance of ConnectionNotEstablished.

• #set_pool(connection_pool) ⇒ Object

Constructor Details

#initialize(message = nil, connection_pool: nil) ⇒ ConnectionNotEstablished

Returns a new instance of ConnectionNotEstablished.

# File 'lib/active_record/errors.rb', line 72

def initialize(message = nil, connection_pool: nil)
  super(message, connection_pool: connection_pool)
end

Instance Method Details

#set_pool(connection_pool) ⇒ Object

# File 'lib/active_record/errors.rb', line 76

def set_pool(connection_pool)
  unless @connection_pool
    @connection_pool = connection_pool
  end

  self
end