Enum UpgradeError 

pub enum UpgradeError {
    InvalidGeneration,
    MissingMemberId,
    ReplacementNotReady,
    InFlightRequestsRemaining(usize),
}

Fail-loud upgrade errors.

Variants

InvalidGeneration

Generation zero is reserved for uninitialized runtimes.

MissingMemberId

Cluster member identity must remain explicit across handoff.

ReplacementNotReady

The old process cannot drain before the replacement is ready.

InFlightRequestsRemaining(usize)

Upgrade cannot complete while old process still owns work.

Trait Implementations

impl Debug for UpgradeError

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

Formats the value using the given formatter.

impl Display for UpgradeError

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

Formats the value using the given formatter.

impl Eq for UpgradeError

impl Error for UpgradeError

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 UpgradeError

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for UpgradeError