{"record":{"id":"ead44dfe51b97bed","repo":"hyperledger/fabric","slug":"could-not-read-block-s","errorCode":null,"errorMessage":"could not read block %s","messagePattern":"could not read block (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/configtxgen/main.go","lineNumber":83,"sourceCode":"\t\tconfigtx, err = encoder.MakeChannelCreationTransactionWithSystemChannelContext(channelID, nil, conf, baseProfile)\n\t}\n\tif err != nil {\n\t\treturn err\n\t}\n\n\tlogger.Info(\"Writing new channel tx\")\n\terr = writeFile(outputChannelCreateTx, protoutil.MarshalOrPanic(configtx), 0o640)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"error writing channel create tx: %s\", err)\n\t}\n\treturn nil\n}\n\nfunc doInspectBlock(inspectBlock string) error {\n\tlogger.Info(\"Inspecting block\")\n\tdata, err := os.ReadFile(inspectBlock)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"could not read block %s\", inspectBlock)\n\t}\n\n\tlogger.Info(\"Parsing genesis block\")\n\tblock, err := protoutil.UnmarshalBlock(data)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"error unmarshalling to block: %s\", err)\n\t}\n\terr = protolator.DeepMarshalJSON(os.Stdout, block)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"malformed block contents: %s\", err)\n\t}\n\treturn nil\n}\n\nfunc doInspectChannelCreateTx(inspectChannelCreateTx string) error {\n\tlogger.Info(\"Inspecting transaction\")\n\tdata, err := os.ReadFile(inspectChannelCreateTx)\n\tif err != nil {","sourceCodeStart":65,"sourceCodeEnd":101,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/cmd/configtxgen/main.go#L65-L101","documentation":"Returned by doInspectBlock when os.ReadFile fails on the block file passed to the -inspectBlock flag — typically a nonexistent path, a directory, or an unreadable file. Unlike the other errors in this function, this one indicates the input file could not even be read, before any protobuf parsing is attempted.","triggerScenarios":"Thrown at cmd/configtxgen/main.go:83 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Confirm the block file exists at the given path and is readable","Regenerate or re-copy the block file if it was moved or deleted"],"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"}