grafana/k6 · error

grpc protocol does not support URL path

Error message

grpc protocol does not support URL path

What it means

Error "grpc protocol does not support URL path" thrown in grafana/k6.

Source

Thrown at internal/lib/trace/otel.go:33

	sdktrace "go.opentelemetry.io/otel/sdk/trace"
	semconv "go.opentelemetry.io/otel/semconv/v1.20.0"
	"go.opentelemetry.io/otel/trace"
	"go.opentelemetry.io/otel/trace/noop"

	"go.k6.io/k6/v2/internal/lib/strvals"
)

const serviceName = "k6"

var (
	// ErrInvalidTracesOutput indicates that the defined traces output is not valid.
	ErrInvalidTracesOutput = errors.New("invalid traces output")
	// ErrInvalidProto indicates that the defined exporter protocol is not valid.
	ErrInvalidProto = errors.New("invalid protocol")
	// ErrInvalidURLScheme indicates that the defined exporter URL scheme is not valid.
	ErrInvalidURLScheme = errors.New("invalid URL scheme")
	// ErrInvalidGRPCWithURLPath indicates that an exporter using gRPC protocol does not support URL path.
	ErrInvalidGRPCWithURLPath = errors.New("grpc protocol does not support URL path")
)

type (
	tracerProvShutdownFunc func(ctx context.Context) error
)

// TracerProvider provides methods for tracers initialization and shutdown of the
// processing pipeline.
type TracerProvider struct {
	trace.TracerProvider
	shutdown tracerProvShutdownFunc
}

type tracerProviderParams struct {
	proto    string
	endpoint string
	urlPath  string
	insecure bool

View on GitHub (pinned to 93accf6570)

When it happens

Trigger: Thrown at internal/lib/trace/otel.go:33 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of grafana/k6@93accf6570 (2026-08-15). Data as JSON: /api/errors/e434671ad8bd02cb. Report an issue: GitHub.