langchain_rust/chain/
error.rs1use thiserror::Error;
2
3use crate::{
4 language_models::LLMError, output_parsers::OutputParserError, prompt::PromptError,
5 schemas::memory::MemoryError,
6};
7
8#[derive(Error, Debug)]
9pub enum ChainError {
10 #[error("LLM error: {0}")]
11 LLMError(#[from] LLMError),
12
13 #[error("Retriever error: {0}")]
14 RetrieverError(String),
15
16 #[error("OutputParser error: {0}")]
17 OutputParser(#[from] OutputParserError),
18
19 #[error("Prompt error: {0}")]
20 PromptError(#[from] PromptError),
21
22 #[error("Missing Object On Builder: {0}")]
23 MissingObject(String),
24
25 #[error("Missing input variable: {0}")]
26 MissingInputVariable(String),
27
28 #[error("Serde json error: {0}")]
29 SerdeJsonError(#[from] serde_json::Error),
30
31 #[error("Incorrect input variable: expected type {expected_type}, {source}")]
32 IncorrectInputVariable {
33 source: serde_json::Error,
34 expected_type: String,
35 },
36
37 #[error("Error: {0}")]
38 OtherError(String),
39
40 #[error("Database error: {0}")]
41 DatabaseError(String),
42
43 #[error("Agent error: {0}")]
44 AgentError(String),
45
46 #[error("Memory error: {0}")]
47 MemoryError(#[from] MemoryError),
48}