BerriAI/litellm · error · ImportError

OpenTelemetry OTLP gRPC log exporter is not available. Insta

Error message

OpenTelemetry OTLP gRPC log exporter is not available. Install `opentelemetry-exporter-otlp` and `grpcio` (or `litellm[grpc]`).

What it means

Error "OpenTelemetry OTLP gRPC log exporter is not available. Install `opentelemetry-exporter-otlp` and `grpcio` (or `litellm[grpc]`)." thrown in BerriAI/litellm.

Source

Thrown at litellm/integrations/otel/plumbing/providers.py:299

    kind: Final = (config.exporter or "console").lower()
    if kind in ("in_memory", "inmemory", "memory"):
        return InMemoryLogExporter()
    if kind in ("otlp_http", "http", "http/protobuf", "http/json"):
        from opentelemetry.exporter.otlp.proto.http._log_exporter import (
            OTLPLogExporter as HTTPLogExporter,
        )

        return HTTPLogExporter(
            endpoint=_otlp_logs_endpoint(config.endpoint),
            headers=parse_headers(config.headers),
        )
    if kind in ("otlp_grpc", "grpc"):
        try:
            from opentelemetry.exporter.otlp.proto.grpc._log_exporter import (
                OTLPLogExporter as GRPCLogExporter,
            )
        except ImportError as exc:
            raise ImportError(
                "OpenTelemetry OTLP gRPC log exporter is not available. Install "
                "`opentelemetry-exporter-otlp` and `grpcio` (or `litellm[grpc]`)."
            ) from exc

        return GRPCLogExporter(endpoint=config.endpoint, headers=parse_headers(config.headers))
    return ConsoleLogExporter()


def build_logger_provider(
    config: OpenTelemetryV2Config,
    log_exporter: LogExporter | None = None,
) -> SDKLoggerProvider:
    """Build the :class:`LoggerProvider` GenAI events export through.

    ``log_exporter`` is an explicit override (tests inject an
    ``InMemoryLogExporter``); otherwise the exporter is selected from the config's
    exporter kind via :func:`build_log_exporter`. Console and in-memory exporters
    get a Simple processor (synchronous export, which tests rely on), everything

View on GitHub (pinned to 6c2dcb801b)

Solutions

1. Install gRPC exporter deps: pip install opentelemetry-exporter-otlp grpcio (or litellm[grpc]).

When it happens

Trigger: Thrown at litellm/integrations/otel/plumbing/providers.py:299 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of BerriAI/litellm@6c2dcb801b (2026-08-15). Data as JSON: /api/errors/0d38a78774d03fcb. Report an issue: GitHub.