{"record":{"id":"9e6fa51cdc45c02a","repo":"kubernetes/kops","slug":"cannot-interpret-q-value-as-int64","errorCode":null,"errorMessage":"cannot interpret %q value as int64","messagePattern":"cannot interpret %q value as int64","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"util/pkg/reflectutils/access.go","lineNumber":225,"sourceCode":"\t\t\tnewV = reflect.ValueOf(v)\n\t\tcase \"int16\":\n\t\t\tv, err := strconv.ParseInt(newValue, 10, 16)\n\t\t\tif err != nil {\n\t\t\t\treturn fmt.Errorf(\"cannot interpret %q value as int16\", newValue)\n\t\t\t}\n\t\t\tv16 := int16(v)\n\t\t\tnewV = reflect.ValueOf(v16)\n\t\tcase \"int32\":\n\t\t\tv, err := strconv.ParseInt(newValue, 10, 32)\n\t\t\tif err != nil {\n\t\t\t\treturn fmt.Errorf(\"cannot interpret %q value as int32\", newValue)\n\t\t\t}\n\t\t\tv32 := int32(v)\n\t\t\tnewV = reflect.ValueOf(v32)\n\t\tcase \"int64\":\n\t\t\tv, err := strconv.ParseInt(newValue, 10, 64)\n\t\t\tif err != nil {\n\t\t\t\treturn fmt.Errorf(\"cannot interpret %q value as int64\", newValue)\n\t\t\t}\n\t\t\tv64 := int64(v)\n\t\t\tnewV = reflect.ValueOf(v64)\n\t\tdefault:\n\t\t\tpanic(\"missing case in int switch\")\n\t\t}\n\n\tcase \"uint64\", \"uint32\", \"uint16\", \"uint\":\n\t\tv, err := strconv.Atoi(newValue)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"cannot interpret %q value as unsigned integer\", newValue)\n\t\t}\n\n\t\tswitch t {\n\t\tcase \"uint\":\n\t\t\tnewV = reflect.ValueOf(v)\n\t\tcase \"uint16\":\n\t\t\tv16 := uint16(v)","sourceCodeStart":207,"sourceCodeEnd":243,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/util/pkg/reflectutils/access.go#L207-L243","documentation":"The target field is int64; strconv.ParseInt(s,10,64) failed, meaning the value is not a valid base-10 integer or overflows int64 (about ±9.2e18).","triggerScenarios":"SetString on an int64 field with \"1e19\", \"18446744073709551616\", \"\", or a non-numeric string.","commonSituations":"Timestamps or byte counts exceeding int64; scientific notation from other tooling; empty string from an unset shell variable.","solutions":["Supply a plain decimal integer that fits int64.","Unquote/expand scientific notation (1e19 -> 10000000000000000000 is still too big; use a smaller value).","Check shell variables are non-empty before interpolating into the path value.","Pre-validate with strconv.ParseInt(v,10,64)."],"exampleFix":"// before\nSetString(&c, \"spec.someInt64Field\", \"$SIZE\") // SIZE empty -> \"\"\n// after\nif SIZE == \"\"; then SIZE=\"0\"; fi\nSetString(&c, \"spec.someInt64Field\", \"$SIZE\")","handlingStrategy":"validation","validationCode":"if _, err := strconv.ParseInt(val, 10, 64); err != nil {\n    return fmt.Errorf(\"value %q is not a valid int64\", val)\n}","typeGuard":"func isInt64(s string) bool {\n    _, err := strconv.ParseInt(s, 10, 64)\n    return err == nil\n}","tryCatchPattern":"if err := SetString(&obj, path, val); err != nil {\n    if strings.Contains(err.Error(), \"as int64\") {\n        return fmt.Errorf(\"%q must be a decimal integer fitting int64\", val)\n    }\n    return err\n}","preventionTips":["Reject scientific notation; expand to plain decimal first.","Guard against empty interpolated shell variables.","Pre-validate all numeric CLI input with strconv.ParseInt."],"tags":["go","parsing","integer","overflow"],"backgroundTag":"invalid-integer-value","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"}