{"record":{"id":"19bde491bbc77034","repo":"ahmetb/kubectx","slug":"failed-to-get-current-namespace-w","errorCode":null,"errorMessage":"failed to get current namespace: %w","messagePattern":"failed to get current namespace: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/kubens/switch.go","lineNumber":61,"sourceCode":"\ttoNS, err := switchNamespace(kc, s.Target, s.Force)\n\tif err != nil {\n\t\treturn err\n\t}\n\terr = printer.Success(stderr, \"Active namespace is \\\"%s\\\"\", printer.SuccessColor.Sprint(toNS))\n\treturn err\n}\n\nfunc switchNamespace(kc *kubeconfig.Kubeconfig, ns string, force bool) (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\tif ctx == \"\" {\n\t\treturn \"\", errors.New(\"current-context is not set\")\n\t}\n\tcurNS, err := kc.NamespaceOfContext(ctx)\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"failed to get current namespace: %w\", err)\n\t}\n\n\tf := NewNSFile(ctx)\n\tprev, err := f.Load()\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"failed to load previous namespace from file: %w\", err)\n\t}\n\n\tif ns == \"-\" {\n\t\tif prev == \"\" {\n\t\t\treturn \"\", fmt.Errorf(\"No previous namespace found for current context (%s)\", ctx)\n\t\t}\n\t\tns = prev\n\t}\n\n\tif !force {\n\t\tok, err := namespaceExists(kc, ns)\n\t\tif err != nil {","sourceCodeStart":43,"sourceCodeEnd":79,"githubUrl":"https://github.com/ahmetb/kubectx/blob/12ad6fb22e8c546ee2b54e7de38aa51c906832f7/cmd/kubens/switch.go#L43-L79","documentation":"After reading the current context name, switchNamespace calls kc.NamespaceOfContext(ctx) to determine the namespace currently set for that context. This error wraps any failure from that lookup, such as the context entry missing or malformed in the kubeconfig. Thrown at cmd/kubens/switch.go:61.","triggerScenarios":"kc.NamespaceOfContext(ctx) errors because the context named by current-context is absent from the contexts list, the context stanza lacks required fields (cluster/user), or the kubeconfig is structurally invalid after the initial parse.","commonSituations":"current-context points to a context deleted by another tool (stale pointer); hand-edited kubeconfig removed a context but left current-context set; merged KUBECONFIG files where one fragment is incomplete.","solutions":["Run kubectl config get-contexts to see whether the current context actually exists","Reset current-context to a valid one: kubectl config use-context <valid-name>, then retry kubens","Remove the stale pointer: kubectl config unset current-context, then set it again","If a merged KUBECONFIG is the cause, inspect each file listed in $KUBECONFIG for missing context stanzas"],"exampleFix":"// before\n# kubeconfig has current-context: staging but no 'staging' entry in contexts\n// after\nkubectl config use-context production   # pick a context that exists\nkubens default","handlingStrategy":"validation","validationCode":"ctxName, err := kc.GetCurrentContext()\nif err == nil && ctxName != \"\" {\n    ok := false\n    for _, c := range kc.Contexts() { if c.Name() == ctxName { ok = true; break } }\n    if !ok { return fmt.Errorf(\"current-context %q has no context entry\", ctxName) }\n}","typeGuard":null,"tryCatchPattern":"curNS, err := kc.NamespaceOfContext(ctx)\nif err != nil {\n    return fmt.Errorf(\"context %q missing/invalid in kubeconfig; run `kubectl config get-contexts`: %w\", ctx, err)\n}","preventionTips":["After deleting contexts with kubectl config delete-context, also fix current-context","Use kubectx instead of hand-editing the kubeconfig","Validate merged KUBECONFIG fragments individually before merging"],"tags":["kubeconfig","go","kubens"],"backgroundTag":"kubeconfig-context-missing","analyzedSha":"12ad6fb22e8c546ee2b54e7de38aa51c906832f7","analyzedAt":"2026-09-02T12:23:10.107Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-09T16:17:10.729Z"}