This is the documentation for etcd2 releases. Read etcd3 doc for etcd3 releases.

This document describes the error code used in key space ‘/v2/keys’. Feel free to import ‘github.com/coreos/etcd/error’ to use.

It’s categorized into four groups:

• Command Related Error

  name	code	strerror
  EcodeKeyNotFound	100	“Key not found”
  EcodeTestFailed	101	“Compare failed”
  EcodeNotFile	102	“Not a file”
  EcodeNotDir	104	“Not a directory”
  EcodeNodeExist	105	“Key already exists”
  EcodeRootROnly	107	“Root is read only”
  EcodeDirNotEmpty	108	“Directory not empty”

• Post Form Related Error

  name	code	strerror
  EcodePrevValueRequired	201	“PrevValue is Required in POST form”
  EcodeTTLNaN	202	“The given TTL in POST form is not a number”
  EcodeIndexNaN	203	“The given index in POST form is not a number”
  EcodeInvalidField	209	“Invalid field”
  EcodeInvalidForm	210	“Invalid POST form”

• Raft Related Error

  name	code	strerror
  EcodeRaftInternal	300	“Raft Internal Error”
  EcodeLeaderElect	301	“During Leader Election”

• Etcd Related Error

  name	code	strerror
  EcodeWatcherCleared	400	“watcher is cleared due to etcd recovery”
  EcodeEventIndexCleared	401	“The event in requested index is outdated and cleared”