GoogleContainerTools/skaffold · error
StatusCode_RENDER_HELM_PLUGIN_ERR
StatusCode_RENDER_HELM_PLUGIN_ERR
Error message
errors.Wrap(err, prefix)
What it means
helm.PluginErr wraps any error from running the helm plugin/binary during render (e.g. from PreparePostRenderer flows) as a UserError with status code RENDER_HELM_PLUGIN_ERR. It signals that the helm executable itself failed (bad flags, missing plugin, non-zero exit) rather than a user config error.
Source
Thrown at pkg/skaffold/helm/errors.go:68
})
}
func MinVersionErr(minVer string) error {
return sErrors.NewErrorWithStatusCode(
&proto.ActionableErr{
Message: fmt.Sprintf("skaffold requires Helm version %s or greater", minVer),
ErrCode: proto.StatusCode_DEPLOY_HELM_MIN_VERSION_ERR,
Suggestions: []*proto.Suggestion{
{
SuggestionCode: proto.SuggestionCode_UPGRADE_HELM,
Action: fmt.Sprintf("Please upgrade helm to %s or higher via %s", minVer, installLink),
},
},
})
}
func PluginErr(prefix string, err error) error {
return deployerr.UserError(errors.Wrap(err, prefix), proto.StatusCode_RENDER_HELM_PLUGIN_ERR)
}
func UserErr(prefix string, err error) error {
return deployerr.UserError(errors.Wrap(err, prefix), proto.StatusCode_DEPLOY_HELM_USER_ERR)
}
func CreateNamespaceErr(version string) error {
return sErrors.NewErrorWithStatusCode(
&proto.ActionableErr{
Message: fmt.Sprintf("Skaffold config options `createNamespace` is not available in the current Helm version %s", version),
ErrCode: proto.StatusCode_DEPLOY_HELM_CREATE_NS_NOT_AVAILABLE,
Suggestions: []*proto.Suggestion{
{
SuggestionCode: proto.SuggestionCode_UPGRADE_HELM32,
Action: "\nPlease update Helm to version 3.2 or higher",
},
{
SuggestionCode: proto.SuggestionCode_FIX_SKAFFOLD_CONFIG_HELM_CREATE_NAMESPACE,View on GitHub (pinned to a1189de023)
Solutions
- Read the wrapped prefix + inner helm stderr to see the exact helm failure
- Run `helm version` and upgrade helm to a version supporting the flags skaffold uses (>=3.8 recommended)
- Re-run the failing helm command manually with the same args to reproduce outside skaffold
- Install/repair any helm post-renderer plugins referenced by the config
- Check `which helm` and ensure the intended binary is first on PATH
Example fix
// before error: helm: ... unknown flag: --post-renderer // after $ brew upgrade helm # or reinstall helm >= 3.8 $ helm version $ skaffold render
Defensive patterns
Strategy: try-catch
Validate before calling
if _, err := exec.LookPath("helm"); err != nil {
return fmt.Errorf("helm not installed or not on PATH: %w", err)
}
out, _ := exec.Command("helm", "version", "--short").Output()
if !strings.HasPrefix(string(out), "v3.") {
return fmt.Errorf("helm 3 required, got %s", out)
} Type guard
null
Try / catch
if err := render(ctx); err != nil {
var uerr *deployerr.UserError
if errors.As(err, &uerr) && uerr.Code == proto.StatusCode_RENDER_HELM_PLUGIN_ERR {
log.Printf("helm plugin failed: %v — run the helm command manually with the -vdebug args", errors.Unwrap(err))
}
return err
} Prevention
- Install helm 3.8+ and keep it on PATH before invoking skaffold render
- Run the failing helm command by hand to see raw stderr
- Install all referenced post-renderer plugins beforehand
- Pin helm version in CI to avoid flag incompatibilities
When it happens
Trigger: PluginErr(prefix, err) is invoked when helm command execution fails, e.g. PreparePostRenderer calling into helm and helm exiting non-zero — unknown flag, missing post-renderer plugin, helm not on PATH, or corrupted HELM_* environment.
Common situations: helm binary version too old for flags skaffold passes (e.g. --post-renderer); helm plugin not installed; PATH missing helm; helm output parse failures; incompatible KUBECONFIG context passed through to helm.
Related errors
- Failed to install Helm plugin
- Failed to render release
- helm version command failed %q: %w
- unable to parse output: %q
- `apply` requires at least one manifest argument
AI-assisted analysis of GoogleContainerTools/skaffold@a1189de023 (2026-09-05).
Data as JSON: /api/errors/92bb7f6ce479dcae.
Report an issue: GitHub.