Enum A2AError 

pub enum A2AError {
    TaskNotFound(String),
    TaskNotCancelable(String),
    PushNotificationNotSupported,
    UnsupportedOperation(String),
    ContentTypeNotSupported(String),
    InvalidAgentResponse(String),
    ExtendedAgentCardNotConfigured,
    ExtensionSupportRequired(String),
    VersionNotSupported(String),
    MethodNotFound(String),
    InvalidParams(String),
    Internal(String),
}

Error type for A2A handler operations.

Error codes follow the A2A v1.0 specification:

• Standard JSON-RPC codes: -32600..-32603
• A2A-specific codes: -32001..-32009

Variants

TaskNotFound(String)

TaskNotCancelable(String)

PushNotificationNotSupported

UnsupportedOperation(String)

ContentTypeNotSupported(String)

InvalidAgentResponse(String)

ExtendedAgentCardNotConfigured

ExtensionSupportRequired(String)

VersionNotSupported(String)

MethodNotFound(String)

InvalidParams(String)

Internal(String)

Implementations

impl A2AError

pub fn code(&self) -> i32

JSON-RPC error code per A2A v1.0 specification.

Trait Implementations

impl Debug for A2AError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for A2AError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for A2AError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.