{"record":{"id":"47aa2709624f68bf","repo":"hyperledger/fabric","slug":"impossibly-this-peer-s-org-is-processing-requests","errorCode":null,"errorMessage":"impossibly, this peer's org is processing requests for a channel it is not a member of","messagePattern":"impossibly, this peer's org is processing requests for a channel it is not a member of","errorType":"error_code","errorClass":null,"httpStatus":null,"severity":"error","filePath":"core/chaincode/lifecycle/scc.go","lineNumber":588,"sourceCode":"\tif i.ApplicationConfig == nil {\n\t\treturn nil, errors.Errorf(\"no application config for channel '%s'\", i.Stub.GetChannelID())\n\t}\n\n\torgs := i.ApplicationConfig.Organizations()\n\topaqueStates := make([]OpaqueState, 0, len(orgs))\n\tvar myOrg string\n\tfor _, org := range orgs {\n\t\topaqueStates = append(opaqueStates, &ChaincodePrivateLedgerShim{\n\t\t\tCollection: implicitcollection.NameForOrg(org.MSPID()),\n\t\t\tStub:       i.Stub,\n\t\t})\n\t\tif org.MSPID() == i.SCC.OrgMSPID {\n\t\t\tmyOrg = i.SCC.OrgMSPID\n\t\t}\n\t}\n\n\tif myOrg == \"\" {\n\t\treturn nil, errors.Errorf(\"impossibly, this peer's org is processing requests for a channel it is not a member of\")\n\t}\n\n\tcd := &ChaincodeDefinition{\n\t\tSequence: input.Sequence,\n\t\tEndorsementInfo: &lb.ChaincodeEndorsementInfo{\n\t\t\tVersion:           input.Version,\n\t\t\tEndorsementPlugin: input.EndorsementPlugin,\n\t\t\tInitRequired:      input.InitRequired,\n\t\t},\n\t\tValidationInfo: &lb.ChaincodeValidationInfo{\n\t\t\tValidationPlugin:    input.ValidationPlugin,\n\t\t\tValidationParameter: input.ValidationParameter,\n\t\t},\n\t\tCollections: input.Collections,\n\t}\n\n\tlogger.Debugf(\n\t\t\"received invocation of CommitChaincodeDefinition on channel '%s' for definition '%s'\",","sourceCodeStart":570,"sourceCodeEnd":606,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/core/chaincode/lifecycle/scc.go#L570-L606","documentation":"After collecting the channel's organizations, CommitChaincodeDefinition looks for the org whose MSP ID matches the peer's own OrgMSPID among the channel members. If none matches, the peer's org is not actually a member of the channel it is serving, so the invocation is refused as a safety check.","triggerScenarios":"The peer's local MSP ID (i.SCC.OrgMSPID) does not appear in the channel's ApplicationConfig organizations list when CommitChaincodeDefinition is invoked.","commonSituations":"Peer joined a channel configured with a different org MSP ID (typo or renamed MSP), peer crypto material regenerated under a new org name, or copying a peer's membership across environments/channels.","solutions":["Check the peer's local MSP ID (CORE_PEER_LOCALMSPID) and ensure it exactly matches an organization MSP ID defined in the channel's Application config","Correct the channel configuration to include this peer's org, or re-join the peer to the correct channel","Regenerate or update the peer's local MSP material to match the intended organization"],"exampleFix":"// before: channel org MSP mismatch\nexport CORE_PEER_LOCALMSPID=Org2MSP   # but channel defines Org1MSP only\n// after\nexport CORE_PEER_LOCALMSPID=Org1MSP   # matches channel Application orgs","handlingStrategy":"validation","validationCode":"// Go: verify peer org is in channel orgs before invoking\nfunc orgInChannel(appConfig lw.ApplicationConfig, orgMSPID string) bool {\n    for mspID := range appConfig.Organizations() {\n        if mspID == orgMSPID { return true }\n    }\n    return false\n}","typeGuard":null,"tryCatchPattern":"if err != nil && strings.Contains(err.Error(), \"not a member of\") {\n    // log CORE_PEER_LOCALMSPID vs channel orgs for diagnosis\n}","preventionTips":["Keep CORE_PEER_LOCALMSPID consistent with channel Application org MSP IDs","Regenerate all org crypto material together to avoid MSP ID drift","List channel orgs (configtxlator) when onboarding a peer"],"tags":["hyperledger-fabric","msp","channel-membership"],"backgroundTag":"org-msp-mismatch","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"}