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/opentelemetry.py:2988

            or self.OTEL_EXPORTER == "http/json"
        ):
            from opentelemetry.exporter.otlp.proto.http._log_exporter import (
                OTLPLogExporter,
            )

            verbose_logger.debug(
                "OpenTelemetry: Using HTTP log exporter. Value of OTEL_EXPORTER: %s, endpoint: %s",
                self.OTEL_EXPORTER,
                normalized_endpoint,
            )
            return OTLPLogExporter(endpoint=normalized_endpoint, headers=_split_otel_headers)
        elif self.OTEL_EXPORTER == "otlp_grpc" or self.OTEL_EXPORTER == "grpc":
            try:
                from opentelemetry.exporter.otlp.proto.grpc._log_exporter import (
                    OTLPLogExporter,
                )
            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

            verbose_logger.debug(
                "OpenTelemetry: Using gRPC log exporter. Value of OTEL_EXPORTER: %s, endpoint: %s",
                self.OTEL_EXPORTER,
                normalized_endpoint,
            )
            return OTLPLogExporter(endpoint=normalized_endpoint, headers=_split_otel_headers)
        else:
            verbose_logger.warning(
                "OpenTelemetry: Unknown log exporter '%s', defaulting to console. Supported: console, otlp_http, otlp_grpc",
                self.OTEL_EXPORTER,
            )
            from opentelemetry.sdk._logs.export import ConsoleLogExporter

            return ConsoleLogExporter()

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/opentelemetry.py:2988 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/a2a449253411ad97. Report an issue: GitHub.