Enum FinalNotificationError 

pub enum FinalNotificationError {
    InvalidEnvelope {
        method: String,
    },
    RequestIdPresent {
        method: String,
    },
    UnsupportedMethod {
        method: String,
    },
    WrongEnvelope {
        method: String,
    },
    WrongDirection {
        method: String,
        sender: Final2026Peer,
    },
    InvalidParams {
        method: &'static str,
    },
    EncodeFailure {
        method: &'static str,
    },
}

Typed admission error for an MCP 2026-07-28 notification union.

Variants

InvalidEnvelope

The public JSON-RPC struct contained invalid envelope data.

Fields

method: String

RequestIdPresent

A notification union was given a request with an ID.

Fields

method: String

UnsupportedMethod

The method is not part of the active final core method table.

Fields

method: String

WrongEnvelope

The method is a final request rather than a final notification.

Fields

method: String

WrongDirection

The selected peer cannot originate this notification method.

Fields

method: String

Exact notification method literal.

sender: Final2026Peer

Peer that attempted to originate it.

InvalidParams

The method’s required parameter shape was missing or invalid.

Fields

method: &'static str

EncodeFailure

A locally constructed typed parameter object could not be encoded.

Fields

method: &'static str

Trait Implementations

impl Clone for FinalNotificationError

fn clone(&self) -> FinalNotificationError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FinalNotificationError

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

Formats the value using the given formatter.

impl Display for FinalNotificationError

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

Formats the value using the given formatter.

impl Eq for FinalNotificationError

impl Error for FinalNotificationError

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.

impl PartialEq for FinalNotificationError

fn eq(&self, other: &FinalNotificationError) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for FinalNotificationError