{"record":{"id":"1dc971b8148ab570","repo":"kubernetes/kops","slug":"error-reading-from-input-v","errorCode":null,"errorMessage":"error reading from input: %v","messagePattern":"error reading from input: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"util/pkg/ui/user.go","lineNumber":74,"sourceCode":"\t\tcase \"no\", \"n\":\n\t\t\tmessage = c.Message + fmt.Sprintf(answerTemplate, \"y\", \"N\")\n\t\tdefault:\n\t\t\tmessage = c.Message + fmt.Sprintf(answerTemplate, \"y\", \"n\")\n\t\t}\n\t\tfmt.Fprintln(c.Out, message)\n\t\t// these are the acceptable answers\n\t\tokayResponses := sets.NewString(\"y\", \"yes\")\n\t\tnokayResponses := sets.NewString(\"n\", \"no\")\n\t\tresponse := c.TestVal\n\n\t\t// only prompt user if no predefined answer was passed in\n\t\tif response == \"\" {\n\t\t\tvar err error\n\n\t\t\treader := bufio.NewReader(os.Stdin)\n\t\t\tresponse, err = reader.ReadString('\\n')\n\t\t\tif err != nil {\n\t\t\t\treturn false, fmt.Errorf(\"error reading from input: %v\", err)\n\t\t\t}\n\n\t\t\tresponse = strings.TrimSpace(response)\n\t\t}\n\n\t\tresponseLower := strings.ToLower(response)\n\t\t// make sure the response is valid\n\t\tswitch {\n\t\tcase okayResponses.Has(responseLower):\n\t\t\treturn true, nil\n\t\tcase nokayResponses.Has(responseLower):\n\t\t\treturn false, nil\n\t\tcase c.Default != \"\" && response == \"\":\n\t\t\tif string(c.Default[0]) == \"y\" {\n\t\t\t\treturn true, nil\n\t\t\t}\n\t\t\treturn false, nil\n\t\t}","sourceCodeStart":56,"sourceCodeEnd":92,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/util/pkg/ui/user.go#L56-L92","documentation":"Error \"error reading from input: %v\" thrown in kubernetes/kops.","triggerScenarios":"Thrown at util/pkg/ui/user.go:74 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"4c8573c808a73d578c5eadc86d410646ea0b0d73","analyzedAt":"2026-09-05T04:13:19.212Z","contentChangedAt":"2026-09-05T04:13:19.212Z","schemaVersion":2},"datasetVersion":"2026-09-12T07:17:12.445Z"}