Exception List
Classes
Methods
Exceptions
Constants
Docs
AbstractController
ActionNotFound
< StandardError
AbstractController
DoubleRenderError
< Error
AbstractController
Error
< StandardError
AbstractController
ActionCable
Channel
NonInferrableChannelError
< StandardError
ActionCable::Channel
Connection
Authorization
UnauthorizedError
< StandardError
ActionCable::Connection::Authorization
NonInferrableConnectionError
< StandardError
ActionCable::Connection
RemoteConnections
RemoteConnection
InvalidIdentifiersError
< StandardError
ActionCable::RemoteConnections::RemoteConnection
ActionController
ActionControllerError
< StandardError
ActionController
BadRequest
< ActionControllerError
ActionController
ExpectedParameterMissing
< ParameterMissing
ActionController
InvalidAuthenticityToken
< ActionControllerError
ActionController
InvalidCrossOriginRequest
< ActionControllerError
ActionController
InvalidParameterKey
< ArgumentError
ActionController
Live
ClientDisconnected
< RuntimeError
ActionController::Live
MethodNotAllowed
< ActionControllerError
ActionController
MissingExactTemplate
< UnknownFormat
ActionController
MissingFile
< ActionControllerError
ActionController
MissingRenderer
< LoadError
ActionController
NotImplemented
< MethodNotAllowed
ActionController
ParameterMissing
< KeyError
ActionController
Redirecting
UnsafeRedirectError
< StandardError
ActionController::Redirecting
RenderError
< ActionControllerError
ActionController
RequestForgeryProtection
ProtectionMethods
Exception
< Exception
ActionController::RequestForgeryProtection::ProtectionMethods
RespondToMismatchError
< ActionControllerError
ActionController
RoutingError
< ActionControllerError
ActionController
SessionOverflowError
< ActionControllerError
ActionController
UnfilteredParameters
< ArgumentError
ActionController
UnknownFormat
< ActionControllerError
ActionController
UnknownHttpMethod
< ActionControllerError
ActionController
UnpermittedParameters
< IndexError
ActionController
UrlGenerationError
< ActionControllerError
ActionController
ActionDispatch
Http
MimeNegotiation
InvalidType
< InvalidMimeType
ActionDispatch::Http::MimeNegotiation
Parameters
ParseError
< StandardError
ActionDispatch::Http::Parameters
InvalidParameterError
< ParamError
ActionDispatch
MissingController
< NameError
ActionDispatch
ParamError
< ParseError
ActionDispatch
ParameterTypeError
< ParamError
ActionDispatch
ParamsTooDeepError
< ParamError
ActionDispatch
RemoteIp
IpSpoofAttackError
< StandardError
ActionDispatch::RemoteIp
Session
SessionRestoreError
< StandardError
ActionDispatch::Session
TestHelpers
PageDumpHelper
InvalidResponse
< StandardError
ActionDispatch::TestHelpers::PageDumpHelper
ActionMailbox
Router
RoutingError
< StandardError
ActionMailbox::Router
ActionMailer
NonInferrableMailerError
< StandardError
ActionMailer
ActionView
ActionViewError
< StandardError
ActionView
EncodingError
< StandardError
ActionView
Helpers
CacheHelper
UncacheableFragmentError
< StandardError
ActionView::Helpers::CacheHelper
NumberHelper
InvalidNumberError
< StandardError
ActionView::Helpers::NumberHelper
MissingTemplate
< ActionViewError
ActionView
SyntaxErrorInTemplate
< Error
ActionView
Template
Error
< ActionViewError
ActionView::Template
WrongEncodingError
< EncodingError
ActionView
ActiveJob
DeserializationError
< StandardError
ActiveJob
EnqueueError
< StandardError
ActiveJob
SerializationError
< ArgumentError
ActiveJob
ActiveModel
ForbiddenAttributesError
< StandardError
ActiveModel
MissingAttributeError
< NoMethodError
ActiveModel
RangeError
< RangeError
ActiveModel
StrictValidationFailed
< StandardError
ActiveModel
UnknownAttributeError
< NoMethodError
ActiveModel
ValidationError
< StandardError
ActiveModel
ActiveRecord
ActiveRecordError
< StandardError
ActiveRecord
AdapterError
< ActiveRecordError
ActiveRecord
AdapterNotFound
< ActiveRecordError
ActiveRecord
AdapterNotSpecified
< ActiveRecordError
ActiveRecord
AdapterTimeout
< QueryAborted
ActiveRecord
AmbiguousSourceReflectionForThroughAssociation
< ActiveRecordError
ActiveRecord
AssociationNotFoundError
< ConfigurationError
ActiveRecord
AssociationTypeMismatch
< ActiveRecordError
ActiveRecord
AsynchronousQueryInsideTransactionError
< ActiveRecordError
ActiveRecord
AttributeAssignmentError
< ActiveRecordError
ActiveRecord
AttributeMethods
Serialization
ColumnNotSerializableError
< StandardError
ActiveRecord::AttributeMethods::Serialization
CompositePrimaryKeyMismatchError
< ActiveRecordError
ActiveRecord
ConcurrentMigrationError
< MigrationError
ActiveRecord
ConfigurationError
< ActiveRecordError
ActiveRecord
ConnectionAdapters
PostgreSQL
Quoting
IntegerOutOf64BitRange
< StandardError
ActiveRecord::ConnectionAdapters::PostgreSQL::Quoting
TransactionInstrumenter
InstrumentationAlreadyStartedError
< ActiveRecordError
ActiveRecord::ConnectionAdapters::TransactionInstrumenter
InstrumentationNotStartedError
< ActiveRecordError
ActiveRecord::ConnectionAdapters::TransactionInstrumenter
ConnectionFailed
< QueryAborted
ActiveRecord
ConnectionNotDefined
< ConnectionNotEstablished
ActiveRecord
ConnectionNotEstablished
< AdapterError
ActiveRecord
ConnectionTimeoutError
< ConnectionNotEstablished
ActiveRecord
DangerousAttributeError
< ActiveRecordError
ActiveRecord
DatabaseAlreadyExists
< StatementInvalid
ActiveRecord
DatabaseConfigurations
InvalidConfigurationError
< StandardError
ActiveRecord::DatabaseConfigurations
DatabaseConnectionError
< ConnectionNotEstablished
ActiveRecord
DatabaseVersionError
< ActiveRecordError
ActiveRecord
Deadlocked
< TransactionRollbackError
ActiveRecord
DeleteRestrictionError
< ActiveRecordError
ActiveRecord
DestroyAssociationAsyncError
< StandardError
ActiveRecord
DuplicateMigrationNameError
< MigrationError
ActiveRecord
DuplicateMigrationVersionError
< MigrationError
ActiveRecord
EagerLoadPolymorphicError
< ActiveRecordError
ActiveRecord
Encryption
Errors
Base
< StandardError
ActiveRecord::Encryption::Errors
Configuration
< Base
ActiveRecord::Encryption::Errors
Decryption
< Base
ActiveRecord::Encryption::Errors
Encoding
< Base
ActiveRecord::Encryption::Errors
EncryptedContentIntegrity
< Base
ActiveRecord::Encryption::Errors
Encryption
< Base
ActiveRecord::Encryption::Errors
ForbiddenClass
< Base
ActiveRecord::Encryption::Errors
EnvironmentMismatchError
< ActiveRecordError
ActiveRecord
EnvironmentStorageError
< ActiveRecordError
ActiveRecord
ExclusiveConnectionTimeoutError
< ConnectionTimeoutError
ActiveRecord
Fixture
FixtureError
< StandardError
ActiveRecord::Fixture
FormatError
< FixtureError
ActiveRecord::Fixture
FixtureClassNotFound
< ActiveRecordError
ActiveRecord
FixtureSet
TableRow
PrimaryKeyError
< StandardError
ActiveRecord::FixtureSet::TableRow
HasManyThroughAssociationNotFoundError
< ActiveRecordError
ActiveRecord
HasManyThroughAssociationPointlessSourceTypeError
< ActiveRecordError
ActiveRecord
HasManyThroughAssociationPolymorphicSourceError
< ActiveRecordError
ActiveRecord
HasManyThroughAssociationPolymorphicThroughError
< ActiveRecordError
ActiveRecord
HasManyThroughCantAssociateThroughHasOneOrManyReflection
< ThroughCantAssociateThroughHasOneOrManyReflection
ActiveRecord
HasManyThroughNestedAssociationsAreReadonly
< ThroughNestedAssociationsAreReadonly
ActiveRecord
HasManyThroughOrderError
< ActiveRecordError
ActiveRecord
HasManyThroughSourceAssociationNotFoundError
< ActiveRecordError
ActiveRecord
HasOneAssociationPolymorphicThroughError
< ActiveRecordError
ActiveRecord
HasOneThroughCantAssociateThroughCollection
< ActiveRecordError
ActiveRecord
HasOneThroughCantAssociateThroughHasOneOrManyReflection
< ThroughCantAssociateThroughHasOneOrManyReflection
ActiveRecord
HasOneThroughNestedAssociationsAreReadonly
< ThroughNestedAssociationsAreReadonly
ActiveRecord
IllegalMigrationNameError
< MigrationError
ActiveRecord
InvalidForeignKey
< WrappedDatabaseException
ActiveRecord
InvalidMigrationTimestampError
< MigrationError
ActiveRecord
InverseOfAssociationNotFoundError
< ActiveRecordError
ActiveRecord
InverseOfAssociationRecursiveError
< ActiveRecordError
ActiveRecord
IrreversibleMigration
< MigrationError
ActiveRecord
IrreversibleOrderError
< ActiveRecordError
ActiveRecord
LockWaitTimeout
< StatementInvalid
ActiveRecord
MigrationError
< ActiveRecordError
ActiveRecord
MismatchedForeignKey
< StatementInvalid
ActiveRecord
MultiparameterAssignmentErrors
< ActiveRecordError
ActiveRecord
NestedAttributes
TooManyRecords
< ActiveRecordError
ActiveRecord::NestedAttributes
NoDatabaseError
< StatementInvalid
ActiveRecord
NoEnvironmentInSchemaError
< MigrationError
ActiveRecord
NotNullViolation
< StatementInvalid
ActiveRecord
PendingMigrationError
< MigrationError
ActiveRecord
PreparedStatementCacheExpired
< StatementInvalid
ActiveRecord
PreparedStatementInvalid
< ActiveRecordError
ActiveRecord
ProtectedEnvironmentError
< ActiveRecordError
ActiveRecord
QueryAborted
< StatementInvalid
ActiveRecord
QueryCanceled
< QueryAborted
ActiveRecord
RangeError
< StatementInvalid
ActiveRecord
ReadOnlyError
< ActiveRecordError
ActiveRecord
ReadOnlyRecord
< ActiveRecordError
ActiveRecord
ReadonlyAttributeError
< ActiveRecordError
ActiveRecord
RecordInvalid
< ActiveRecordError
ActiveRecord
RecordNotDestroyed
< ActiveRecordError
ActiveRecord
RecordNotFound
< ActiveRecordError
ActiveRecord
RecordNotSaved
< ActiveRecordError
ActiveRecord
RecordNotUnique
< WrappedDatabaseException
ActiveRecord
Rollback
< ActiveRecordError
ActiveRecord
SQLWarning
< AdapterError
ActiveRecord
SecureToken
MinimumLengthError
< StandardError
ActiveRecord::SecureToken
SerializationFailure
< TransactionRollbackError
ActiveRecord
SerializationTypeMismatch
< ActiveRecordError
ActiveRecord
SoleRecordExceeded
< ActiveRecordError
ActiveRecord
StaleObjectError
< ActiveRecordError
ActiveRecord
StatementInvalid
< AdapterError
ActiveRecord
StatementTimeout
< QueryAborted
ActiveRecord
StrictLoadingViolationError
< ActiveRecordError
ActiveRecord
SubclassNotFound
< ActiveRecordError
ActiveRecord
TableNotSpecified
< ActiveRecordError
ActiveRecord
Tasks
DatabaseNotSupported
< StandardError
ActiveRecord::Tasks
ThroughCantAssociateThroughHasOneOrManyReflection
< ActiveRecordError
ActiveRecord
ThroughNestedAssociationsAreReadonly
< ActiveRecordError
ActiveRecord
TransactionIsolationError
< ActiveRecordError
ActiveRecord
TransactionRollbackError
< StatementInvalid
ActiveRecord
TypeConflictError
< StandardError
ActiveRecord
UnknownAttributeReference
< ActiveRecordError
ActiveRecord
UnknownMigrationVersionError
< MigrationError
ActiveRecord
UnknownPrimaryKey
< ActiveRecordError
ActiveRecord
UnmodifiableRelation
< ActiveRecordError
ActiveRecord
ValueTooLong
< StatementInvalid
ActiveRecord
WrappedDatabaseException
< StatementInvalid
ActiveRecord
ActiveStorage
Error
< StandardError
ActiveStorage
FileNotFoundError
< Error
ActiveStorage
IntegrityError
< Error
ActiveStorage
InvariableError
< Error
ActiveStorage
PreviewError
< Error
ActiveStorage
Service
GCSService
MetadataServerError
< Error
ActiveStorage::Service::GCSService
MetadataServerNotFoundError
< Error
ActiveStorage::Service::GCSService
Transformers
ImageProcessingTransformer
UnsupportedImageProcessingArgument
< StandardError
ActiveStorage::Transformers::ImageProcessingTransformer
UnsupportedImageProcessingMethod
< StandardError
ActiveStorage::Transformers::ImageProcessingTransformer
UnpreviewableError
< Error
ActiveStorage
UnrepresentableError
< Error
ActiveStorage
ActiveSupport
ActionableError
NonActionable
< StandardError
ActiveSupport::ActionableError
Concern
MultipleIncludedBlocks
< StandardError
ActiveSupport::Concern
MultiplePrependBlocks
< StandardError
ActiveSupport::Concern
ConfigurationFile
FormatError
< StandardError
ActiveSupport::ConfigurationFile
DelegationError
< NoMethodError
ActiveSupport
DeprecationException
< StandardError
ActiveSupport
Duration
ISO8601Parser
ParsingError
< ArgumentError
ActiveSupport::Duration::ISO8601Parser
EncryptedConfiguration
InvalidContentError
< RuntimeError
ActiveSupport::EncryptedConfiguration
InvalidKeyError
< RuntimeError
ActiveSupport::EncryptedConfiguration
EncryptedFile
InvalidKeyLengthError
< RuntimeError
ActiveSupport::EncryptedFile
MissingContentError
< RuntimeError
ActiveSupport::EncryptedFile
MissingKeyError
< RuntimeError
ActiveSupport::EncryptedFile
MessageEncryptor
InvalidMessage
< StandardError
ActiveSupport::MessageEncryptor
MessagePack
MissingClassError
< StandardError
ActiveSupport::MessagePack
UnserializableObjectError
< StandardError
ActiveSupport::MessagePack
MessageVerifier
InvalidSignature
< StandardError
ActiveSupport::MessageVerifier
Notifications
InstrumentationSubscriberError
< RuntimeError
ActiveSupport::Notifications
RaiseWarnings
WarningError
< StandardError
ActiveSupport::RaiseWarnings
SafeBuffer
SafeConcatError
< StandardError
ActiveSupport::SafeBuffer
SyntaxErrorProxy
< SyntaxError
ActiveSupport
XMLConverter
DisallowedType
< StandardError
ActiveSupport::XMLConverter
Arel
ArelError
< StandardError
Arel
BindError
< ArelError
Arel
EmptyJoinError
< ArelError
Arel
Visitors
UnsupportedVisitError
< StandardError
Arel::Visitors
Enumerable
SoleItemExpectedError
< StandardError
Enumerable
Exception
Top Level Namespace
LoadError
< Exception
Top Level Namespace
Mime
Type
InvalidMimeType
< StandardError
Mime::Type
NameError
< Exception
Top Level Namespace
Rails
Command
CorrectableNameError
< StandardError
Rails::Command
UnrecognizedCommandError
< CorrectableNameError
Rails::Command
TestUnit
InvalidTestError
< StandardError
Rails::TestUnit