on_llm_error() — langchain Function Reference

Architecture documentation for the on_llm_error() function in base.py from the langchain codebase.

Function python Observability TelemetryUtilities calls 1 called by 1

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Observability→ TelemetryUtilities→ on_llm_error() — langchain Function Reference

Dependency Diagram

graph TD
  f6564d33_2b36_810d_404d_dd91e99870d8["on_llm_error()"]
  64513429_d001_87b1_5f19_cc17a3f3577b["AsyncCallbackHandler"]
  f6564d33_2b36_810d_404d_dd91e99870d8 -->|defined in| 64513429_d001_87b1_5f19_cc17a3f3577b
  342eca2a_66f8_f29e_4dc5_ef1fcc7388a8["on_llm_error()"]
  342eca2a_66f8_f29e_4dc5_ef1fcc7388a8 -->|calls| f6564d33_2b36_810d_404d_dd91e99870d8
  342eca2a_66f8_f29e_4dc5_ef1fcc7388a8["on_llm_error()"]
  f6564d33_2b36_810d_404d_dd91e99870d8 -->|calls| 342eca2a_66f8_f29e_4dc5_ef1fcc7388a8
  style f6564d33_2b36_810d_404d_dd91e99870d8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/base.py lines 593–613

    async def on_llm_error(
        self,
        error: BaseException,
        *,
        run_id: UUID,
        parent_run_id: UUID | None = None,
        tags: list[str] | None = None,
        **kwargs: Any,
    ) -> None:
        """Run when LLM errors.

        Args:
            error: The error that occurred.
            run_id: The ID of the current run.
            parent_run_id: The ID of the parent run.
            tags: The tags.
            **kwargs: Additional keyword arguments.

                - response (LLMResult): The response which was generated before
                    the error occurred.
        """