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on_chain_error() — langchain Function Reference

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

Function python Observability CallbackManager calls 2 called by 4

Entity Profile

Dependency Diagram

graph TD
  07a4c44a_3cfb_9b0a_ffde_c1bbfeb4080a["on_chain_error()"]
  81cd9db4_6745_5fd9_98e7_4b450c8fee53["CallbackManagerForChainRun"]
  07a4c44a_3cfb_9b0a_ffde_c1bbfeb4080a -->|defined in| 81cd9db4_6745_5fd9_98e7_4b450c8fee53
  ddaf4521_92bb_e16f_7a60_d3b79151a068["on_chain_error()"]
  ddaf4521_92bb_e16f_7a60_d3b79151a068 -->|calls| 07a4c44a_3cfb_9b0a_ffde_c1bbfeb4080a
  6ca38ecd_e01a_2d51_9dc4_4c108747569c["on_chain_error()"]
  6ca38ecd_e01a_2d51_9dc4_4c108747569c -->|calls| 07a4c44a_3cfb_9b0a_ffde_c1bbfeb4080a
  e694e06d_9c3a_9620_74b6_743814a492ce["trace_as_chain_group()"]
  e694e06d_9c3a_9620_74b6_743814a492ce -->|calls| 07a4c44a_3cfb_9b0a_ffde_c1bbfeb4080a
  57f655ed_89b3_c486_de7e_73ebe360134a["atrace_as_chain_group()"]
  57f655ed_89b3_c486_de7e_73ebe360134a -->|calls| 07a4c44a_3cfb_9b0a_ffde_c1bbfeb4080a
  8964b4e9_440e_18a7_2a15_a54a0b2b733c["handle_event()"]
  07a4c44a_3cfb_9b0a_ffde_c1bbfeb4080a -->|calls| 8964b4e9_440e_18a7_2a15_a54a0b2b733c
  ddaf4521_92bb_e16f_7a60_d3b79151a068["on_chain_error()"]
  07a4c44a_3cfb_9b0a_ffde_c1bbfeb4080a -->|calls| ddaf4521_92bb_e16f_7a60_d3b79151a068
  style 07a4c44a_3cfb_9b0a_ffde_c1bbfeb4080a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/manager.py lines 879–902

    def on_chain_error(
        self,
        error: BaseException,
        **kwargs: Any,
    ) -> None:
        """Run when chain errors.

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

        """
        if not self.handlers:
            return
        handle_event(
            self.handlers,
            "on_chain_error",
            "ignore_chain",
            error,
            run_id=self.run_id,
            parent_run_id=self.parent_run_id,
            tags=self.tags,
            **kwargs,
        )

Domain

Subdomains

Defined In

Calls

Called By

Source

Frequently Asked Questions

What does on_chain_error() do?
on_chain_error() is a function in the langchain codebase, defined in libs/core/langchain_core/callbacks/manager.py.
Where is on_chain_error() defined?
on_chain_error() is defined in libs/core/langchain_core/callbacks/manager.py at line 879.
What does on_chain_error() call?
on_chain_error() calls 2 function(s): handle_event, on_chain_error.
What calls on_chain_error()?
on_chain_error() is called by 4 function(s): atrace_as_chain_group, on_chain_error, on_chain_error, trace_as_chain_group.

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