Raised by save! and create! when the record is invalid. Use the record method to retrieve the record which did not validate. 

  begin
    complex_operation_that_calls_save!_internally
  rescue ActiveRecord::RecordInvalid => invalid
    puts invalid.record.errors
  end
Methods
Attributes
[R] record
Public Class methods
new(record)

[ show source ]

    # File lib/active_record/validations.rb, line 11
11:     def initialize(record)
12:       @record = record
13:       super("Validation failed: #{@record.errors.full_messages.join(", ")}")
14:     end