on_llm_error() — langchain Function Reference

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

Function python Observability CallbackManager calls 2 called by 1

Entity Profile

Observability→ CallbackManager→ on_llm_error() — langchain Function Reference

Dependency Diagram

graph TD
  d048a783_3474_9659_8d90_9c136dd64460["on_llm_error()"]
  edb9d036_ba6e_cc5d_0607_e2486edb64dc["AsyncCallbackManagerForLLMRun"]
  d048a783_3474_9659_8d90_9c136dd64460 -->|defined in| edb9d036_ba6e_cc5d_0607_e2486edb64dc
  8656516c_f1cc_451d_5ba7_c245448ce87d["on_llm_error()"]
  8656516c_f1cc_451d_5ba7_c245448ce87d -->|calls| d048a783_3474_9659_8d90_9c136dd64460
  8656516c_f1cc_451d_5ba7_c245448ce87d["on_llm_error()"]
  d048a783_3474_9659_8d90_9c136dd64460 -->|calls| 8656516c_f1cc_451d_5ba7_c245448ce87d
  3a243d21_72d1_dca9_f7be_acbb482b9f86["ahandle_event()"]
  d048a783_3474_9659_8d90_9c136dd64460 -->|calls| 3a243d21_72d1_dca9_f7be_acbb482b9f86
  style d048a783_3474_9659_8d90_9c136dd64460 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/manager.py lines 826–852

    async def on_llm_error(
        self,
        error: BaseException,
        **kwargs: Any,
    ) -> None:
        """Run when LLM errors.

        Args:
            error: The error.
            **kwargs: Additional keyword arguments.

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

        """
        if not self.handlers:
            return
        await ahandle_event(
            self.handlers,
            "on_llm_error",
            "ignore_llm",
            error,
            run_id=self.run_id,
            parent_run_id=self.parent_run_id,
            tags=self.tags,
            **kwargs,
        )