etcd-io__etcd/Documentation/v2/errorcode.md

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title: Error Code

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EcodeEventIndexCleared	401	"The event in requested index is outdated and cleared"