Enum CpmPoolError 

pub enum CpmPoolError {
    PoolExhausted(usize),
    ConnectionNotFound(u64),
    AcquireTimeout(u64),
    HealthCheckFailed(u64),
    InvalidConfiguration(String),
}

Errors returned by ConnectionPoolManager operations.

Variants

PoolExhausted(usize)

All connections are in-use and the pool is at maximum capacity.

ConnectionNotFound(u64)

No connection with the supplied ID exists in the pool.

AcquireTimeout(u64)

Acquire timed out after the given number of microseconds.

HealthCheckFailed(u64)

Health check failed for the given connection ID.

InvalidConfiguration(String)

The supplied configuration is invalid.

Trait Implementations

impl Debug for CpmPoolError

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

Formats the value using the given formatter.

impl Display for CpmPoolError

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

Formats the value using the given formatter.

impl Error for CpmPoolError

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.