{"record":{"id":"3126b70d46fcb645","repo":"hyperledger/fabric","slug":"could-not-marshal-a-serializedidentity-structure-f","errorCode":null,"errorMessage":"could not marshal a SerializedIdentity structure for identity %s","messagePattern":"could not marshal a SerializedIdentity structure for identity (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"msp/identities.go","lineNumber":220,"sourceCode":"\t\treturn errors.New(\"The signature is invalid\")\n\t}\n\n\treturn nil\n}\n\n// Serialize returns a byte array representation of this identity\nfunc (id *identity) Serialize() ([]byte, error) {\n\tpb := &pem.Block{Bytes: id.cert.Raw, Type: \"CERTIFICATE\"}\n\tpemBytes := pem.EncodeToMemory(pb)\n\tif pemBytes == nil {\n\t\treturn nil, errors.New(\"encoding of identity failed\")\n\t}\n\n\t// We serialize identities by prepending the MSPID and appending the ASN.1 DER content of the cert\n\tsId := &msp.SerializedIdentity{Mspid: id.id.Mspid, IdBytes: pemBytes}\n\tidBytes, err := proto.Marshal(sId)\n\tif err != nil {\n\t\treturn nil, errors.Wrapf(err, \"could not marshal a SerializedIdentity structure for identity %s\", id.id)\n\t}\n\n\treturn idBytes, nil\n}\n\nfunc (id *identity) getHashOpt(hashFamily string) (bccsp.HashOpts, error) {\n\tswitch hashFamily {\n\tcase bccsp.SHA2:\n\t\treturn bccsp.GetHashOpt(bccsp.SHA256)\n\tcase bccsp.SHA3:\n\t\treturn bccsp.GetHashOpt(bccsp.SHA3_256)\n\t}\n\treturn nil, errors.Errorf(\"hash family not recognized [%s]\", hashFamily)\n}\n\ntype signingidentity struct {\n\t// we embed everything from a base identity\n\tidentity","sourceCodeStart":202,"sourceCodeEnd":238,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/msp/identities.go#L202-L238","documentation":"Returned by identity.Serialize when proto.Marshal fails to encode the SerializedIdentity (Mspid + PEM-encoded cert) it just built. Since the struct is assembled from an already-valid certificate and string, failure indicates a malformed protobuf message or a programming/serialization bug rather than bad user input; in practice this error is effectively unreachable.","triggerScenarios":"Thrown at msp/identities.go:220 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Verify the identity's certificate and Mspid are well-formed before serializing","Inspect the underlying proto.Marshal error for message-size or required-field problems","Regenerate the identity from its original MSP configuration if serialization keeps failing"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"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"}