{"record":{"id":"2faf61336f8e646b","repo":"hyperledger/fabric","slug":"error-reading-configuration-s","errorCode":null,"errorMessage":"Error reading configuration: %s","messagePattern":"Error reading configuration: (.+?)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/cryptogen/main.go","lineNumber":256,"sourceCode":"\n\t\t// \"showtemplate\" command\n\tcase showtemplate.FullCommand():\n\t\tfmt.Print(defaultConfig)\n\t\tos.Exit(0)\n\n\t\t// \"version\" command\n\tcase version.FullCommand():\n\t\tprintVersion()\n\t}\n}\n\nfunc getConfig() (*Config, error) {\n\tvar configData string\n\n\tif *genConfigFile != nil {\n\t\tdata, err := io.ReadAll(*genConfigFile)\n\t\tif err != nil {\n\t\t\treturn nil, fmt.Errorf(\"Error reading configuration: %s\", err)\n\t\t}\n\n\t\tconfigData = string(data)\n\t} else if *extConfigFile != nil {\n\t\tdata, err := io.ReadAll(*extConfigFile)\n\t\tif err != nil {\n\t\t\treturn nil, fmt.Errorf(\"Error reading configuration: %s\", err)\n\t\t}\n\n\t\tconfigData = string(data)\n\t} else {\n\t\tconfigData = defaultConfig\n\t}\n\n\tconfig := &Config{}\n\terr := yaml.Unmarshal([]byte(configData), &config)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"Error Unmarshalling YAML: %s\", err)","sourceCodeStart":238,"sourceCodeEnd":274,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/cmd/cryptogen/main.go#L238-L274","documentation":"cryptogen's getConfig reads the YAML configuration from the --config file supplied to 'generate'. When io.ReadAll on the opened config file fails, this fmt.Errorf with the OS error is returned. It means the config file could not be read at the OS level, not that the YAML is invalid.","triggerScenarios":"Running 'cryptogen generate --config <file>' where the file exists as a flag but reading it fails: I/O error, deleted between open and read, or a special file that errors on read.","commonSituations":"Path in a container mount that vanished; file removed by another process between open and read; hardware/IO error on disk; permission denied on read after successful open in restricted environments.","solutions":["Confirm the file exists and is readable: ls -l and cat the config file directly.","Fix permissions on the config file (chmod/chown) for the user running cryptogen.","Re-copy the config file if it was deleted or truncated.","Run cryptogen without --config to use the default embedded config."],"exampleFix":"// before\ncryptogen generate --config /mounts/gone/org.yaml\n// after\ncryptogen generate --config $(pwd)/crypto-config.yaml","handlingStrategy":"validation","validationCode":"cfgPath := \"crypto-config.yaml\"\ninfo, err := os.Stat(cfgPath)\nif err != nil { log.Fatalf(\"config missing: %v\", err) }\nif !info.Mode().IsRegular() { log.Fatal(\"config path is not a regular file\") }\nf, err := os.OpenFile(cfgPath, os.O_RDONLY, 0)\nif err != nil { log.Fatalf(\"config unreadable: %v\", err) }\nf.Close()","typeGuard":null,"tryCatchPattern":null,"preventionTips":["cat the config file before running cryptogen to confirm readability","Use absolute paths for --config","Keep crypto-config.yaml alongside the crypto directory it extends","Omit --config to fall back to the default config when appropriate"],"tags":["cryptogen","io","configuration"],"backgroundTag":"config-file-unreadable","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"}