pub enum Error {
Show 25 variants Call(CallError), Transport(Error), Internal(SendError), InvalidResponse(Mismatch<String>), RestartNeeded(String), ParseError(Error), InvalidSubscriptionId, InvalidRequestId, UnregisteredNotification(String), DuplicateRequestId, MethodAlreadyRegistered(String), MethodNotFound(String), SubscriptionNameConflict(String), RequestTimeout, MaxSlotsExceeded, AlreadyStopped, EmptyAllowList(&'static str), HttpHeaderRejected(&'static strString), ResourceAtCapacity(&'static str), ResourceNameAlreadyTaken(&'static str), ResourceNameNotFoundForMethod(&'static str, &'static str), UninitializedMethod(Box<str>), MaxResourcesReached, Custom(String), HttpNotImplemented,
}
Expand description

Error type.

Variants

Call(CallError)

Error that occurs when a call failed.

Transport(Error)

Networking error or error on the low-level protocol layer.

Internal(SendError)

Frontend/backend channel error.

InvalidResponse(Mismatch<String>)

Invalid response,

RestartNeeded(String)

The background task has been terminated.

ParseError(Error)

Failed to parse the data.

InvalidSubscriptionId

Invalid subscription ID.

InvalidRequestId

Invalid request ID.

UnregisteredNotification(String)

Client received a notification with an unregistered method

DuplicateRequestId

A request with the same request ID has already been registered.

MethodAlreadyRegistered(String)

Method was already registered.

MethodNotFound(String)

Method with that name has not yet been registered.

SubscriptionNameConflict(String)

Subscribe and unsubscribe method names are the same.

RequestTimeout

Request timeout

MaxSlotsExceeded

Configured max number of request slots exceeded.

AlreadyStopped

Attempted to stop server that is already stopped.

EmptyAllowList(&'static str)

List passed into access control based on HTTP header verification.

HttpHeaderRejected(&'static strString)

Access control verification of HTTP headers failed.

ResourceAtCapacity(&'static str)

Failed to execute a method because a resource was already at capacity

ResourceNameAlreadyTaken(&'static str)

Failed to register a resource due to a name conflict

ResourceNameNotFoundForMethod(&'static str, &'static str)

Failed to initialize resources for a method at startup

UninitializedMethod(Box<str>)

Trying to claim resources for a method execution, but the method resources have not been initialized

MaxResourcesReached

Failed to register a resource due to a maximum number of resources already registered

Custom(String)

Custom error.

HttpNotImplemented

Not implemented for HTTP clients.

Implementations

Create Error::CallError from a generic error. Useful if you don’t care about specific JSON-RPC error code and just wants to return your custom error type.

Trait Implementations

Formats the value using the given formatter. Read more

Formats the value using the given formatter. Read more

The lower-level source of this error, if any. Read more

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred. Read more

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

🔬 This is a nightly-only experimental API. (error_generic_member_access)

Provides type based access to context intended for error reports. Read more

Converts to this type from the input type.

Converts to this type from the input type.

Converts to this type from the input type.

Converts to this type from the input type.

Converts to this type from the input type.

Converts to this type from the input type.

Converts to this type from the input type.

Converts to this type from the input type.

Converts this type into the (usually inferred) input type.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Should always be Self

Converts the given value to a String. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

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Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more