{"record":{"id":"c078fb307d71be5a","repo":"grafana/k6","slug":"failed-to-create-a-new-parser-reason-w","errorCode":null,"errorMessage":"failed to create a new parser; reason: %w","messagePattern":"failed to create a new parser; reason: %w","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/js/modules/k6/experimental/csv/module.go","lineNumber":118,"sourceCode":"\n\t// 1. Make sure the Sobek object is a fs.File (Sobek operation)\n\tvar fileObj fs.File\n\tif err := mi.vu.Runtime().ExportTo(file, &fileObj); err != nil {\n\t\treturn nil, fmt.Errorf(\"first argument expected to be a fs.File instance, got %T instead\", file)\n\t}\n\n\tparserOptions := newDefaultParserOptions()\n\tif options != nil {\n\t\tvar err error\n\t\tparserOptions, err = newParserOptionsFrom(options.ToObject(rt))\n\t\tif err != nil {\n\t\t\treturn nil, fmt.Errorf(\"failed to interpret the provided Parser options; reason: %w\", err)\n\t\t}\n\t}\n\n\tr, err := NewReaderFrom(fileObj.ReadSeekStater, parserOptions)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"failed to create a new parser; reason: %w\", err)\n\t}\n\n\tunderlyingSharedArrayName, err := buildSharedArrayName(fileObj, parserOptions)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"failed to derive shared array name; reason: %w\", err)\n\t}\n\n\tcallback := mi.vu.RegisterCallback()\n\tpromise, resolve, reject := rt.NewPromise()\n\n\tgo func() {\n\t\t// Because we rely on the data module to create the shared array, we need to\n\t\t// make sure that the data module is initialized before we can proceed, and that we don't instantiate\n\t\t// it multiple times.\n\t\t//\n\t\t// As such we hold a single instance of it in the RootModule, and we use it to create the shared array.\n\t\tfn, err := mi.dataModuleInstance.NewSharedArrayFrom(mi.vu.Runtime(), underlyingSharedArrayName, r)\n\t\tif err != nil {","sourceCodeStart":100,"sourceCodeEnd":136,"githubUrl":"https://github.com/grafana/k6/blob/93accf6570dcd306ca5e99cc44c393ee3797761b/internal/js/modules/k6/experimental/csv/module.go#L100-L136","documentation":"Error \"failed to create a new parser; reason: %w\" thrown in grafana/k6.","triggerScenarios":"Thrown at internal/js/modules/k6/experimental/csv/module.go:118 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":"93accf6570dcd306ca5e99cc44c393ee3797761b","analyzedAt":"2026-08-15T21:23:27.118Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}