{"record":{"id":"c056b247407b6243","repo":"ahmetb/kubectx","slug":"failed-to-clear-namespace-w","errorCode":null,"errorMessage":"failed to clear namespace: %w","messagePattern":"failed to clear namespace: %w","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/kubens/unset.go","lineNumber":55,"sourceCode":"\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":37,"sourceCodeEnd":62,"githubUrl":"https://github.com/ahmetb/kubectx/blob/12ad6fb22e8c546ee2b54e7de38aa51c906832f7/cmd/kubens/unset.go#L37-L62","documentation":"clearNamespace wraps an error from kc.SetNamespace(ctx, ns) as \"failed to clear namespace: %w\". SetNamespace fails when the target context (the current context name) does not exist in the kubeconfig or the config cannot be modified in memory, so the namespace cannot be reset to \"default\".","triggerScenarios":"kc.SetNamespace(ctx, \"default\") returns an error during kubens unset — typically when the current-context name references a context entry that is absent from the contexts list in the parsed kubeconfig.","commonSituations":"current-context points to a context that was deleted by another tool; KUBECONFIG lists multiple files where the context exists in one but the write target differs; stale kubeconfig after cluster teardown.","solutions":["Verify the context exists: kubectl config get-contexts; re-add it if missing (kubectl config set-context).","Switch to a valid context (kubectl config use-context <name>) before running unset.","Remove the dangling current-context reference and set it to an existing context.","Consolidate KUBECONFIG to a single valid file to avoid split context/definition files."],"exampleFix":null,"handlingStrategy":"validation","validationCode":"// Shell: ensure current-context refers to an existing context before unset\nctx=$(kubectl config current-context) || exit 1\nkubectl config get-contexts -o name | grep -qx \"$ctx\" || { echo \"dangling current-context: $ctx\"; exit 1; }","typeGuard":null,"tryCatchPattern":"if err := unsetOp.Run(os.Args, os.Stderr); err != nil {\n\tif strings.Contains(err.Error(), \"failed to clear namespace\") {\n\t\tfmt.Fprintln(os.Stderr, \"Current context missing from contexts list; run 'kubectl config use-context <valid-name>'.\")\n\t}\n\treturn err\n}","preventionTips":["Keep current-context in sync with the contexts list; never delete a context that is current.","Consolidate multi-file KUBECONFIG setups to avoid split context definitions.","Re-check with kubectl config get-contexts after cluster teardown scripts."],"tags":["kubeconfig","context","namespace"],"backgroundTag":"kubeconfig-context-not-found","analyzedSha":"12ad6fb22e8c546ee2b54e7de38aa51c906832f7","analyzedAt":"2026-09-02T12:23:10.107Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-09T16:17:10.729Z"}