{"record":{"id":"9c4685727ef60dbf","repo":"hyperledger/fabric","slug":"error-creating-proposal-for-join-s","errorCode":null,"errorMessage":"Error creating proposal for join %s","messagePattern":"Error creating proposal for join (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/peer/channel/join.go","lineNumber":91,"sourceCode":"\t\tInput:       input,\n\t}\n\n\treturn spec, nil\n}\n\nfunc executeJoin(cf *ChannelCmdFactory, spec *pb.ChaincodeSpec) (err error) {\n\t// Build the ChaincodeInvocationSpec message\n\tinvocation := &pb.ChaincodeInvocationSpec{ChaincodeSpec: spec}\n\n\tcreator, err := cf.Signer.Serialize()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"Error serializing identity for %s: %s\", cf.Signer.GetIdentifier(), err)\n\t}\n\n\tvar prop *pb.Proposal\n\tprop, _, err = protoutil.CreateProposalFromCIS(pcommon.HeaderType_CONFIG, \"\", invocation, creator)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"Error creating proposal for join %s\", err)\n\t}\n\n\tvar signedProp *pb.SignedProposal\n\tsignedProp, err = protoutil.GetSignedProposal(prop, cf.Signer)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"Error creating signed proposal %s\", err)\n\t}\n\n\tvar proposalResp *pb.ProposalResponse\n\tproposalResp, err = cf.EndorserClient.ProcessProposal(context.Background(), signedProp)\n\tif err != nil {\n\t\treturn ProposalFailedErr(err.Error())\n\t}\n\n\tif proposalResp == nil {\n\t\treturn ProposalFailedErr(\"nil proposal response\")\n\t}\n","sourceCodeStart":73,"sourceCodeEnd":109,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/internal/peer/channel/join.go#L73-L109","documentation":"executeJoin builds a CONFIG-type proposal from the ChaincodeInvocationSpec (CSCC JoinChain) via protoutil.CreateProposalFromCIS. If proposal construction fails — typically because the serialized creator identity is malformed or header construction fails — the command returns this error. This is a local message-building failure before signing or network I/O.","triggerScenarios":"Calling `peer channel join` when the proposal cannot be constructed from the invocation and creator bytes, e.g. an invalid or empty creator identity produced upstream, or corrupted genesis block payload making the spec invalid.","commonSituations":"Partially serialized/invalid identity from a broken MSP setup; Fabric protobuf version incompatibility in embedded tooling; passing a truncated genesis block file to the join spec.","solutions":["Fix the upstream identity issue (ensure Serialize() succeeds with a valid CORE_PEER_MSPCONFIGPATH).","Regenerate the genesis block file and retry the join.","Update peer CLI and peer binaries to matching Fabric versions.","Check peer logs / CLI verbose output for the wrapped underlying error message."],"exampleFix":null,"handlingStrategy":"validation","validationCode":"// bash\n# ensure identity serializes and genesis block is intact before join\nopenssl x509 -in \"$CORE_PEER_MSPCONFIGPATH/signcerts/\"*.pem -noout -checkend 0 || { echo \"cert expired\"; exit 1; }\n[ -s \"$GENESIS_BLOCK\" ] || { echo \"genesis block empty/truncated\"; exit 1; }","typeGuard":null,"tryCatchPattern":null,"preventionTips":["Resolve any prior 'Error serializing identity' before joining — this error usually inherits from it.","Validate the genesis block file is non-empty and generated for the same channel ID.","Keep CLI and peer on the same Fabric version to avoid protobuf mismatches."],"tags":["hyperledger-fabric","proposal","cli"],"backgroundTag":"proposal-creation-failed","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"}