{"record":{"id":"565f12690b4feb5c","repo":"hyperledger/fabric","slug":"the-required-parameter-version-is-empty-rerun-t-565f12","errorCode":null,"errorMessage":"The required parameter 'version' is empty. Rerun the command with -v flag","messagePattern":"The required parameter 'version' is empty\\. Rerun the command with -v flag","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/peer/lifecycle/chaincode/commit.go","lineNumber":71,"sourceCode":"\tInitRequired             bool\n\tPeerAddresses            []string\n\tWaitForEvent             bool\n\tWaitForEventTimeout      time.Duration\n\tTxID                     string\n}\n\n// Validate the input for a CommitChaincodeDefinition proposal\nfunc (c *CommitInput) Validate() error {\n\tif c.ChannelID == \"\" {\n\t\treturn errors.New(\"The required parameter 'channelID' is empty. Rerun the command with -C flag\")\n\t}\n\n\tif c.Name == \"\" {\n\t\treturn errors.New(\"The required parameter 'name' is empty. Rerun the command with -n flag\")\n\t}\n\n\tif c.Version == \"\" {\n\t\treturn errors.New(\"The required parameter 'version' is empty. Rerun the command with -v flag\")\n\t}\n\n\tif c.Sequence == 0 {\n\t\treturn errors.New(\"The required parameter 'sequence' is empty. Rerun the command with --sequence flag\")\n\t}\n\n\treturn nil\n}\n\n// CommitCmd returns the cobra command for chaincode Commit\nfunc CommitCmd(c *Committer, cryptoProvider bccsp.BCCSP) *cobra.Command {\n\tchaincodeCommitCmd := &cobra.Command{\n\t\tUse:   \"commit\",\n\t\tShort: \"Commit the chaincode definition on the channel.\",\n\t\tLong:  \"Commit the chaincode definition on the channel.\",\n\t\tRunE: func(cmd *cobra.Command, args []string) error {\n\t\t\tif c == nil {\n\t\t\t\t// set input from CLI flags","sourceCodeStart":53,"sourceCodeEnd":89,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/internal/peer/lifecycle/chaincode/commit.go#L53-L89","documentation":"Input validation guard in CommitInput.Validate for the `peer lifecycle chaincode commit` CLI: it rejects the commit definition proposal when the chaincode version is an empty string, i.e. the user omitted the required -v flag. The command aborts locally before any proposal is created or sent.","triggerScenarios":"Constructing CommitInput with Version == \"\" and calling Validate — e.g. `peer lifecycle chaincode commit` run without the -v flag.","commonSituations":"Omitting -v when committing; using an empty variable in a script; assuming version is inherited from the approve step (it is not for commit input validation).","solutions":["Rerun with -v, e.g. -v 1.0, matching the approved definition.","Check the approved definition (peer lifecycle chaincode queryapproved) to get the correct version string.","Fix scripts that pass an empty version variable.","In code, set CommitInput.Version before calling Commit."],"exampleFix":"// before\npeer lifecycle chaincode commit -C mychannel -n mycc --sequence 1\n// after\npeer lifecycle chaincode commit -C mychannel -n mycc -v 1.0 --sequence 1","handlingStrategy":"validation","validationCode":"if version == \"\" {\n    return errors.New(\"chaincode version required: use -v flag\")\n}","typeGuard":"func hasVersion(c *CommitInput) bool { return c != nil && c.Version != \"\" }","tryCatchPattern":"if err := run(); err != nil {\n    if strings.Contains(err.Error(), \"parameter 'version' is empty\") {\n        // re-run with -v from queryapproved output\n    }\n}","preventionTips":["Always pass -v matching the approved definition.","Fetch the version via `peer lifecycle chaincode queryapproved` when unsure.","Avoid empty shell variables feeding -v."],"tags":["hyperledger-fabric","input-validation","cli-flags"],"backgroundTag":"missing-required-argument","analyzedSha":"2736b63f8fd5932511d56fe68b7039d15977f7f6","analyzedAt":"2026-09-04T08:52:36.465Z","contentChangedAt":"2026-09-04T08:52:36.465Z","schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}