Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

errors

package

Go to main page

Versions in this module

v0

v0.30.0

Jun 12, 2026

v0.20.0

Apr 17, 2026

Changes in this version

+ var ErrChannelRouteNotAvailable = New("channel route not available")

+ var ErrDomainRouteNotAvailable = New("domain route not available")

+ var ErrEmailAlreadyExists = New("email id already registered")

+ var ErrMissingDomainMember = New("member id is not member of domain")

+ var ErrMissingMember = New("member id is not found")

+ var ErrRouteNotAvailable = NewRequestError("route not available")

+ var ErrTryAgain = New("Something went wrong, please try again")

+ var ErrUsernameNotAvailable = New("username not available")

+ func NewInternalError() error

+ type AuthNError struct

+ func (ce *AuthNError) Err() error

+ func (ce *AuthNError) Error() string

+ func (ce *AuthNError) MarshalJSON() ([]byte, error)

+ func (ce *AuthNError) Msg() string

+ func (e *AuthNError) Embed(err error) error

+ type AuthZError struct

+ func (ce *AuthZError) Err() error

+ func (ce *AuthZError) Error() string

+ func (ce *AuthZError) MarshalJSON() ([]byte, error)

+ func (ce *AuthZError) Msg() string

+ func (e *AuthZError) Embed(err error) error

+ type Handler interface

+ HandleError func(wrapper, err error) error

+ type HandlerOption func(*Handler)

+ type InternalError struct

+ func (ce *InternalError) Err() error

+ func (ce *InternalError) Error() string

+ func (ce *InternalError) MarshalJSON() ([]byte, error)

+ func (ce *InternalError) Msg() string

+ func (e *InternalError) Embed(err error) error

+ type Mapper interface

+ GetError func(key string) (error, bool)

+ type MediaTypeError struct

+ func (ce *MediaTypeError) Err() error

+ func (ce *MediaTypeError) Error() string

+ func (ce *MediaTypeError) MarshalJSON() ([]byte, error)

+ func (ce *MediaTypeError) Msg() string

+ func (e *MediaTypeError) Embed(err error) error

+ type NestError interface

+ Embed func(e error) error

+ func NewAuthNError(message string) NestError

+ func NewAuthNErrorWithErr(message string, err error) NestError

+ func NewAuthZError(message string) NestError

+ func NewAuthZErrorWithErr(message string, err error) NestError

+ func NewInternalErrorWithErr(err error) NestError

+ func NewMediaTypeError(message string) NestError

+ func NewMediaTypeErrorWithErr(message string, err error) NestError

+ func NewNotFoundError(message string) NestError

+ func NewNotFoundErrorWithErr(message string, err error) NestError

+ func NewRequestError(message string) NestError

+ func NewRequestErrorWithErr(message string, err error) NestError

+ func NewServiceError(message string) NestError

+ func NewServiceErrorWithErr(message string, err error) NestError

+ type NotFoundError struct

+ func (ce *NotFoundError) Err() error

+ func (ce *NotFoundError) Error() string

+ func (ce *NotFoundError) MarshalJSON() ([]byte, error)

+ func (ce *NotFoundError) Msg() string

+ func (e *NotFoundError) Embed(err error) error

+ type RequestError struct

+ func (ce *RequestError) Err() error

+ func (ce *RequestError) Error() string

+ func (ce *RequestError) MarshalJSON() ([]byte, error)

+ func (ce *RequestError) Msg() string

+ func (e *RequestError) Embed(err error) error

+ type ServiceError struct

+ func (ce *ServiceError) Err() error

+ func (ce *ServiceError) Error() string

+ func (ce *ServiceError) MarshalJSON() ([]byte, error)

+ func (ce *ServiceError) Msg() string

+ func (e *ServiceError) Embed(err error) error

v0.18.3

Nov 28, 2025

v0.18.2

Nov 3, 2025

v0.18.0

Aug 21, 2025

v0.17.0

Aug 4, 2025

v0.17.0-rc.2

Jul 15, 2025

v0.17.0-rc.1

Jul 1, 2025

v0.15.1

Nov 29, 2024

v0.15.0

Nov 26, 2024

Changes in this version

+ var ErrRollbackTx = errors.New("failed to rollback transaction")

+ var ErrStatusAlreadyAssigned = errors.New("status already assigned")

v0.14.1-dave

Mar 27, 2024

v0.14.0

Jan 29, 2024

Changes in this version

+ var ErrAuthentication = New("failed to perform authentication over the entity")

+ var ErrAuthorization = New("failed to perform authorization over the entity")

+ var ErrConflict = New("entity already exists")

+ var ErrCreateEntity = New("failed to create entity in the db")

+ var ErrDomainAuthorization = New("failed to perform authorization over the domain")

+ var ErrEmptyPath = errors.New("empty file path")

+ var ErrLogin = New("invalid user id or secret")

+ var ErrMalformedEntity = New("malformed entity specification")

+ var ErrNotFound = New("entity not found")

+ var ErrRemoveEntity = New("failed to remove entity")

+ var ErrScanMetadata = New("failed to scan metadata in db")

+ var ErrUnidentified = errors.New("unidentified error")

+ var ErrUnsupportedContentType = errors.New("invalid content type")

+ var ErrUpdateEntity = New("update entity failed")

+ var ErrViewEntity = New("view entity failed")

+ var ErrWrongSecret = New("wrong secret")

+ func Contains(e1, e2 error) bool

+ func Unwrap(err error) (error, error)

+ func Wrap(wrapper, err error) error

+ type Error interface

+ Err func() Error

+ Error func() string

+ MarshalJSON func() ([]byte, error)

+ Msg func() string

+ func New(text string) Error

+ type SDKError interface

+ StatusCode func() int

+ func CheckError(resp *http.Response, expectedStatusCodes ...int) SDKError

+ func NewSDKError(err error) SDKError

+ func NewSDKErrorWithStatus(err error, statusCode int) SDKError

v0.14.0-dave

Mar 1, 2024