ahmetb/kubectx · error

write error: %w

Error message

write error: %w

What it means

Wrapper error in CurrentOp.Run: fmt.Fprintln to stdout failed while printing the current context name (e.g. broken pipe when piped to a closed consumer like `kubectx -c | head`). The write error is wrapped with %w and returned.

Source

Thrown at cmd/kubectx/current.go:46

func (_op CurrentOp) Run(stdout, _ io.Writer) error {
	if err := checkIsolatedMode(); err != nil {
		return err
	}
	kc := new(kubeconfig.Kubeconfig).WithLoader(kubeconfig.DefaultLoader)
	defer kc.Close()
	if err := kc.Parse(); err != nil {
		return fmt.Errorf("kubeconfig error: %w", err)
	}

	v, err := kc.GetCurrentContext()
	if err != nil {
		return fmt.Errorf("failed to get current context: %w", err)
	}
	if v == "" {
		return errors.New("current-context is not set")
	}
	if _, err := fmt.Fprintln(stdout, v); err != nil {
		return fmt.Errorf("write error: %w", err)
	}
	return nil
}

View on GitHub (pinned to 12ad6fb22e)

Solutions

1. Ensure the downstream consumer of the pipe is still running
2. Rerun without piping, or handle SIGPIPE in the calling script

When it happens

Trigger: Thrown at cmd/kubectx/current.go:46 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of ahmetb/kubectx@12ad6fb22e (2026-09-02). Data as JSON: /api/errors/7fafb09e44bf60b9. Report an issue: GitHub.