{"record":{"id":"53fab3af816b7dee","repo":"ahmetb/kubectx","slug":"failed-to-get-current-context-w-53fab3","errorCode":null,"errorMessage":"failed to get current context: %w","messagePattern":"failed to get current context: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/kubens/current.go","lineNumber":36,"sourceCode":"\t\"errors\"\n\t\"fmt\"\n\t\"io\"\n\n\t\"github.com/ahmetb/kubectx/internal/kubeconfig\"\n)\n\ntype CurrentOp struct{}\n\nfunc (c CurrentOp) Run(stdout, _ 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\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\tns, err := kc.NamespaceOfContext(ctx)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"failed to read namespace of \\\"%s\\\": %w\", ctx, err)\n\t}\n\t_, err = fmt.Fprintln(stdout, ns)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"write error: %w\", err)\n\t}\n\treturn nil\n}\n","sourceCodeStart":18,"sourceCodeEnd":51,"githubUrl":"https://github.com/ahmetb/kubectx/blob/12ad6fb22e8c546ee2b54e7de38aa51c906832f7/cmd/kubens/current.go#L18-L51","documentation":"After successfully parsing the kubeconfig, CurrentOp.Run calls kc.GetCurrentContext() to read the current-context field. If the kubeconfig library cannot resolve the current context (internal lookup/decode failure), the error is wrapped as \"failed to get current context: %w\". Note the related but distinct case where current-context is merely empty, which returns \"current-context is not set\" instead.","triggerScenarios":"kc.GetCurrentContext() returns an error while reading the current-context entry from the parsed kubeconfig, typically due to a structurally valid file whose current-context reference is broken or the file cannot be re-read.","commonSituations":"A kubeconfig whose current-context points at a context missing from the contexts list; corrupted config edited by hand; KUBECONFIG merging issues producing inconsistent files.","solutions":["Set a valid current context: `kubectl config use-context <name>`","List available contexts with `kubectl config get-contexts` and verify current-context matches one of them","Remove duplicate/merged KUBECONFIG entries that conflict (unset KUBECONFIG or fix the merge order)","Regenerate the kubeconfig from your cluster provider if it is corrupted"],"exampleFix":"// before\n# ~/.kube/config\ncurrent-context: prod-cluster   # context not defined in contexts:\n// after\nkubectl config use-context prod-cluster   # ensures context exists and is current","handlingStrategy":"validation","validationCode":"out, err := exec.Command(\"kubectl\", \"config\", \"current-context\").Output()\nif err != nil || len(strings.TrimSpace(string(out))) == 0 {\n    return errors.New(\"no current context set; run kubectl config use-context <name>\")\n}","typeGuard":null,"tryCatchPattern":"if err := op.Run(stdout, stderr); err != nil {\n    if strings.Contains(err.Error(), \"failed to get current context\") {\n        // fix with: kubectl config use-context <existing-context>\n    }\n    return err\n}","preventionTips":["Always set a current context after creating a kubeconfig (kubectl config use-context)","List contexts with kubectl config get-contexts to verify current-context exists","Watch for KUBECONFIG merges that drop the current-context field","Run `kubectx` first to confirm context resolution works"],"tags":["go","kubeconfig","kubernetes","current-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"}