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docs: update errorcode.md

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Yicheng Qin 2015-01-15 12:04:51 -08:00
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Documentation/errorcode.md
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@ -1,60 +1,42 @@
Error Code
======
This document describes the error code in **Etcd** project.
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
Error code corresponding strerror
------
const (
EcodeKeyNotFound = 100
EcodeTestFailed = 101
EcodeNotFile = 102
EcodeNoMorePeer = 103
EcodeNotDir = 104
EcodeNodeExist = 105
EcodeKeyIsPreserved = 106
EcodeRootROnly = 107
EcodeValueRequired = 200
EcodePrevValueRequired = 201
EcodeTTLNaN = 202
EcodeIndexNaN = 203
EcodeRaftInternal = 300
EcodeLeaderElect = 301
EcodeWatcherCleared = 400
EcodeEventIndexCleared = 401
)
// command related errors
errors[100] = "Key Not Found"
errors[101] = "Test Failed" //test and set
errors[102] = "Not A File"
errors[103] = "Reached the max number of peers in the cluster"
errors[104] = "Not A Directory"
errors[105] = "Already exists" // create
errors[106] = "The prefix of given key is a keyword in etcd"
errors[107] = "Root is read only"
// Post form related errors
errors[200] = "Value is Required in POST form"
errors[201] = "PrevValue is Required in POST form"
errors[202] = "The given TTL in POST form is not a number"
errors[203] = "The given index in POST form is not a number"
// raft related errors
errors[300] = "Raft Internal Error"
errors[301] = "During Leader Election"
// etcd related errors
errors[400] = "watcher is cleared due to etcd recovery"
errors[401] = "The event in requested index is outdated and cleared"
| name | code | strerror |
|-------------------------|------|--------------------------------------------------------|
| EcodeWatcherCleared | 400 | "watcher is cleared due to etcd recovery" |
| EcodeEventIndexCleared | 401 | "The event in requested index is outdated and cleared" |

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error/error.go
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@ -14,6 +14,9 @@
limitations under the License.
*/
// error package describes errors in etcd project.
// When any change happens, Documentation/errorcode.md needs to be updated
// correspondingly.
package error
import (
@ -30,8 +33,8 @@ var errors = map[int]string{
ecodeNoMorePeer: "Reached the max number of peers in the cluster",
EcodeNotDir: "Not a directory",
EcodeNodeExist: "Key already exists", // create
EcodeRootROnly: "Root is read only",
ecodeKeyIsPreserved: "The prefix of given key is a keyword in etcd",
EcodeRootROnly: "Root is read only",
EcodeDirNotEmpty: "Directory not empty",
ecodeExistingPeerAddr: "Peer address has existed",