Exception List
Classes
Methods
Exceptions
Constants
Docs
AbstractController
ActionNotFound
< StandardError
AbstractController
DoubleRenderError
< Error
AbstractController
Helpers
MissingHelperError
< LoadError
AbstractController::Helpers
ActionController
Live
ClientDisconnected
< RuntimeError
ActionController::Live
MissingRenderer
< LoadError
ActionController
ParameterMissing
< KeyError
ActionController
RequestForgeryProtection
ProtectionMethods
Exception
< Exception
ActionController::RequestForgeryProtection::ProtectionMethods
UnpermittedParameters
< IndexError
ActionController
ActionDispatch
IllegalStateError
< StandardError
ActionDispatch
ParamsParser
ParseError
< StandardError
ActionDispatch::ParamsParser
RemoteIp
IpSpoofAttackError
< StandardError
ActionDispatch::RemoteIp
ActionMailer
NonInferrableMailerError
< StandardError
ActionMailer
ActionView
Helpers
NumberHelper
InvalidNumberError
< StandardError
ActionView::Helpers::NumberHelper
ActiveJob
DeserializationError
< StandardError
ActiveJob
SerializationError
< ArgumentError
ActiveJob
ActiveModel
ForbiddenAttributesError
< StandardError
ActiveModel
MissingAttributeError
< NoMethodError
ActiveModel
StrictValidationFailed
< StandardError
ActiveModel
ActiveRecord
ActiveRecordError
< StandardError
ActiveRecord
AdapterNotFound
< ActiveRecordError
ActiveRecord
AdapterNotSpecified
< ActiveRecordError
ActiveRecord
AssociationTypeMismatch
< ActiveRecordError
ActiveRecord
AttributeAssignmentError
< ActiveRecordError
ActiveRecord
ConfigurationError
< ActiveRecordError
ActiveRecord
ConnectionNotEstablished
< ActiveRecordError
ActiveRecord
ConnectionTimeoutError
< ConnectionNotEstablished
ActiveRecord
DangerousAttributeError
< ActiveRecordError
ActiveRecord
ImmutableRelation
< ActiveRecordError
ActiveRecord
InvalidForeignKey
< WrappedDatabaseException
ActiveRecord
IrreversibleMigration
< MigrationError
ActiveRecord
MultiparameterAssignmentErrors
< ActiveRecordError
ActiveRecord
NestedAttributes
TooManyRecords
< ActiveRecordError
ActiveRecord::NestedAttributes
NoDatabaseError
< StatementInvalid
ActiveRecord
PreparedStatementInvalid
< ActiveRecordError
ActiveRecord
ReadOnlyRecord
< ActiveRecordError
ActiveRecord
RecordInvalid
< ActiveRecordError
ActiveRecord
RecordNotDestroyed
< ActiveRecordError
ActiveRecord
RecordNotFound
< ActiveRecordError
ActiveRecord
RecordNotSaved
< ActiveRecordError
ActiveRecord
RecordNotUnique
< WrappedDatabaseException
ActiveRecord
Rollback
< ActiveRecordError
ActiveRecord
SerializationTypeMismatch
< ActiveRecordError
ActiveRecord
StaleObjectError
< ActiveRecordError
ActiveRecord
StatementInvalid
< ActiveRecordError
ActiveRecord
TransactionIsolationError
< ActiveRecordError
ActiveRecord
UnknownAttributeError
< NoMethodError
ActiveRecord
UnknownPrimaryKey
< ActiveRecordError
ActiveRecord
WrappedDatabaseException
< StatementInvalid
ActiveRecord
ActiveSupport
DeprecationException
< StandardError
ActiveSupport
MessageEncryptor
InvalidMessage
< StandardError
ActiveSupport::MessageEncryptor
MessageVerifier
InvalidSignature
< StandardError
ActiveSupport::MessageVerifier
SafeBuffer
SafeConcatError
< StandardError
ActiveSupport::SafeBuffer
XMLConverter
DisallowedType
< StandardError
ActiveSupport::XMLConverter
LoadError
< Exception
Top Level Namespace
Module
DelegationError
< NoMethodError
Module
NameError
< Exception
Top Level Namespace