{"record":{"id":"901d15ceca4068d5","repo":"ahmetb/kubectx","slug":"failed-to-get-current-context-w-901d15","errorCode":null,"errorMessage":"failed to get current context: %w","messagePattern":"failed to get current context: %w","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/kubens/unset.go","lineNumber":47,"sourceCode":"func (_ UnsetOp) Run(_, stderr io.Writer) error {\n\tkc := new(kubeconfig.Kubeconfig).WithLoader(kubeconfig.DefaultLoader)\n\tdefer kc.Close()\n\tif err := kc.Parse(); err != nil {\n\t\treturn fmt.Errorf(\"kubeconfig error: %w\", err)\n\t}\n\n\tns, err := clearNamespace(kc)\n\tif err != nil {\n\t\treturn err\n\t}\n\terr = printer.Success(stderr, \"Active namespace is \\\"%s\\\".\", printer.SuccessColor.Sprint(ns))\n\treturn err\n}\n\nfunc clearNamespace(kc *kubeconfig.Kubeconfig) (string, error) {\n\tctx, err := kc.GetCurrentContext()\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"failed to get current context: %w\", err)\n\t}\n\tns := \"default\"\n\tif ctx == \"\" {\n\t\treturn \"\", errors.New(\"current-context is not set\")\n\t}\n\n\tif err := kc.SetNamespace(ctx, ns); err != nil {\n\t\treturn \"\", fmt.Errorf(\"failed to clear namespace: %w\", err)\n\t}\n\tif err := kc.Save(); err != nil {\n\t\treturn \"\", fmt.Errorf(\"failed to save kubeconfig file: %w\", err)\n\t}\n\treturn ns, nil\n}\n","sourceCodeStart":29,"sourceCodeEnd":62,"githubUrl":"https://github.com/ahmetb/kubectx/blob/12ad6fb22e8c546ee2b54e7de38aa51c906832f7/cmd/kubens/unset.go#L29-L62","documentation":"clearNamespace wraps the error from kc.GetCurrentContext() as \"failed to get current context: %w\". This occurs when the kubeconfig library cannot resolve the current context reference from the parsed config, typically due to internal inconsistencies in the config structure.","triggerScenarios":"kc.GetCurrentContext() returning an error (not merely an empty string) while clearNamespace runs during kubens unset; e.g. the parsed kubeconfig lacks the expected context/current-context structure that the library expects.","commonSituations":"A hand-crafted or tool-generated kubeconfig missing a valid current-context entry or contexts section; corrupted file after concurrent edits by multiple tools.","solutions":["Set a valid current context: kubectl config use-context <name> before running unset.","Ensure the kubeconfig has a contexts list with at least one valid entry.","Validate the file structure with kubectl config view and fix missing sections.","Run the command with the correct KUBECONFIG env var pointing at a complete file."],"exampleFix":null,"handlingStrategy":"validation","validationCode":"// Go: ensure a current context resolves before calling unset\nif os.Getenv(\"KUBECONFIG\") == \"\" {\n\tif _, err := os.Stat(filepath.Join(os.Getenv(\"HOME\"), \".kube\", \"config\")); err != nil {\n\t\treturn fmt.Errorf(\"no kubeconfig found at ~/.kube/config\")\n\t}\n}\n// then: kubectl config current-context must succeed","typeGuard":null,"tryCatchPattern":"if err := unsetOp.Run(os.Args, os.Stderr); err != nil {\n\tif strings.Contains(err.Error(), \"failed to get current context\") {\n\t\tfmt.Fprintln(os.Stderr, \"Set a valid current context first: kubectl config use-context <name>\")\n\t}\n\treturn err\n}","preventionTips":["Always set current-context (kubectl config use-context) before namespace operations.","Validate with kubectl config current-context before scripted modifications.","Avoid letting multiple tools rewrite the kubeconfig concurrently.","Verify the contexts list is non-empty in generated kubeconfigs."],"tags":["kubeconfig","context"],"backgroundTag":"kubeconfig-current-context-missing","analyzedSha":"12ad6fb22e8c546ee2b54e7de38aa51c906832f7","analyzedAt":"2026-09-02T12:23:10.107Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-09T16:17:10.729Z"}