Enum BackendError 

pub enum BackendError {
    ConnectionFailed {
        backend: String,
        url: String,
        reason: String,
    },
    NotAvailable {
        backend: String,
        reason: String,
    },
    HttpError {
        status: u16,
        message: String,
        debug: ResponseDebugContext,
    },
    UnexpectedResponse {
        backend: String,
        message: String,
    },
    ProviderError {
        provider: String,
        code: Option<String>,
        message: String,
        debug: ResponseDebugContext,
    },
}

Backend-specific errors

Variants

ConnectionFailed

Connection failed (network, DNS, etc)

Fields

backend: String

url: String

reason: String

NotAvailable

Backend not available (not running, health check failed)

Fields

backend: String

reason: String

HttpError

HTTP error from backend

Fields

status: u16

message: String

debug: ResponseDebugContext

Response-header correlation ids (empty when the error was not built from an HTTP response).

UnexpectedResponse

Backend returned unexpected response format

Fields

backend: String

message: String

ProviderError

Provider-specific error

Fields

provider: String

code: Option<String>

message: String

debug: ResponseDebugContext

Response-header correlation ids (empty when the error was not built from an HTTP response).

Trait Implementations

impl Debug for BackendError

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

Formats the value using the given formatter.

impl Display for BackendError

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

Formats the value using the given formatter.

impl Error for BackendError

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.