{"record":{"id":"a527a06cfb672f19","repo":"hyperledger/fabric","slug":"missing-metadata-for-currently-committed-sequence","errorCode":null,"errorMessage":"missing metadata for currently committed sequence number (%d)","messagePattern":"missing metadata for currently committed sequence number \\((.+?)\\)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"core/chaincode/lifecycle/lifecycle.go","lineNumber":454,"sourceCode":"\t}\n\n\tif requestedSequence > currentSequence+1 {\n\t\treturn errors.Errorf(\"requested sequence %d is larger than the next available sequence number %d\", requestedSequence, currentSequence+1)\n\t}\n\n\tif err := ef.SetChaincodeDefinitionDefaults(chname, cd); err != nil {\n\t\treturn errors.WithMessagef(err, \"could not set defaults for chaincode definition in channel %s\", chname)\n\t}\n\n\tprivateName := fmt.Sprintf(\"%s#%d\", ccname, requestedSequence)\n\n\tif requestedSequence == currentSequence {\n\t\tmetadata, ok, err := ef.Resources.Serializer.DeserializeMetadata(NamespacesName, ccname, publicState)\n\t\tif err != nil {\n\t\t\treturn errors.WithMessage(err, \"could not fetch metadata for current definition\")\n\t\t}\n\t\tif !ok {\n\t\t\treturn errors.Errorf(\"missing metadata for currently committed sequence number (%d)\", currentSequence)\n\t\t}\n\n\t\tdefinedChaincode := &ChaincodeDefinition{}\n\t\tif err := ef.Resources.Serializer.Deserialize(NamespacesName, ccname, metadata, definedChaincode, publicState); err != nil {\n\t\t\treturn errors.WithMessagef(err, \"could not deserialize namespace %s as chaincode\", ccname)\n\t\t}\n\n\t\tif err := definedChaincode.Parameters().Equal(cd.Parameters()); err != nil {\n\t\t\treturn errors.WithMessagef(err, \"attempted to redefine the current committed sequence (%d) for namespace %s with different parameters\", currentSequence, ccname)\n\t\t}\n\t\t// it might be the case that some organization just installed\n\t\t// the chaincode and now would like to approve, therefore we\n\t\t// need to check to distinguish the case. hence need to read from\n\t\t// the orgState metadata and see whenever this is the case\n\t\tredefine, err := ef.isAttemptToRedefine(privateName, packageID, requestedSequence, cd, orgState)\n\t\tif err != nil {\n\t\t\treturn err\n\t\t}","sourceCodeStart":436,"sourceCodeEnd":472,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/core/chaincode/lifecycle/lifecycle.go#L436-L472","documentation":"The requested sequence equals the currently committed sequence, but when lifecycle tries to deserialize the metadata of the committed definition for the namespace, no metadata exists. This indicates inconsistent ledger state — a committed sequence should always have stored metadata.","triggerScenarios":"Approving a definition with the same sequence as the committed one while public state lacks metadata for the namespace — e.g., corrupted state, a namespace committed by a different component, or a truncated/odd ledger DB after restore.","commonSituations":"Peers restored from inconsistent backups; CouchDB/LevelDB state drift; mixing legacy (lscc) namespaces with new lifecycle expectations.","solutions":["Verify ledger consistency across peers; resync or rebuild the peer's state database from the block store","Compare with other peers' committed state to confirm which peer is corrupted","If the intent was to update, approve with sequence+1 rather than re-using the committed sequence"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"// Verify committed definition metadata exists before re-approving at same sequence\nif def.Sequence == queryCommittedSequence(ch, ccname) {\n    _, ok, _ := serializer.DeserializeMetadata(lifecycle.NamespacesName, ccname, publicState)\n    if !ok { return fmt.Errorf(\"committed sequence %d has no metadata; peer state may be corrupt\", def.Sequence) }\n}","typeGuard":null,"tryCatchPattern":"err := ef.ApproveChaincodeDefinitionForOrg(...)\nif err != nil && strings.Contains(err.Error(), \"missing metadata for currently committed sequence\") {\n    // escalate: peer state likely inconsistent; rebuild state DB or use a healthy peer\n}","preventionTips":["Monitor peer state DB consistency after restores/backups","Avoid re-approving at an already committed sequence; bump sequence for changes","Cross-check committed definitions across peers to detect drift early"],"tags":["fabric","ledger-state","lifecycle"],"backgroundTag":"ledger-state-inconsistent","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"}