{"record":{"id":"13c5443c031006b7","repo":"grafana/k6","slug":"error-parsing-blacklist-ip-s-w","errorCode":null,"errorMessage":"error parsing blacklist-ip '%s': %w","messagePattern":"error parsing blacklist-ip '(.+?)': %w","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/cmd/options.go","lineNumber":164,"sourceCode":"\t\topts.ExecutionSegmentSequence = segmentSequence\n\t}\n\n\tif flags.Changed(\"system-tags\") {\n\t\tsystemTagList, err := flags.GetStringSlice(\"system-tags\")\n\t\tif err != nil {\n\t\t\treturn opts, err\n\t\t}\n\t\topts.SystemTags = metrics.ToSystemTagSet(systemTagList)\n\t}\n\n\tblacklistIPStrings, err := flags.GetStringSlice(\"blacklist-ip\")\n\tif err != nil {\n\t\treturn opts, err\n\t}\n\tfor _, s := range blacklistIPStrings {\n\t\tnet, parseErr := lib.ParseCIDR(s)\n\t\tif parseErr != nil {\n\t\t\treturn opts, fmt.Errorf(\"error parsing blacklist-ip '%s': %w\", s, parseErr)\n\t\t}\n\t\topts.BlacklistIPs = append(opts.BlacklistIPs, net)\n\t}\n\n\tblockedHostnameStrings, err := flags.GetStringSlice(\"block-hostnames\")\n\tif err != nil {\n\t\treturn opts, err\n\t}\n\tif flags.Changed(\"block-hostnames\") {\n\t\topts.BlockedHostnames, err = types.NewNullHostnameTrie(blockedHostnameStrings)\n\t\tif err != nil {\n\t\t\treturn opts, err\n\t\t}\n\t}\n\n\tlocalIpsString, err := flags.GetString(\"local-ips\")\n\tif err != nil {\n\t\treturn opts, err","sourceCodeStart":146,"sourceCodeEnd":182,"githubUrl":"https://github.com/grafana/k6/blob/93accf6570dcd306ca5e99cc44c393ee3797761b/internal/cmd/options.go#L146-L182","documentation":"Error \"error parsing blacklist-ip '%s': %w\" thrown in grafana/k6.","triggerScenarios":"Thrown at internal/cmd/options.go:164 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"}