Enum KernelError 

pub enum KernelError {
    Config(String),
    Schema(String),
    Privilege(String),
    Writer(String),
    Database(Error),
}

A kernel failure.

Variants

Config(String)

A required environment variable is missing, malformed, or forbidden in this process.

Schema(String)

The target database is not one this binary may initialize or serve.

Privilege(String)

The credential holds privileges the kernel refuses to run with, or lacks ones it needs.

Writer(String)

This process does not hold write authority for the store.

Database(Error)

Trait Implementations

impl Debug for KernelError

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

Formats the value using the given formatter.

impl Display for KernelError

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

Formats the value using the given formatter.

impl Error for KernelError

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 From<Error> for KernelError

fn from(source: Error) -> Self

Converts to this type from the input type.