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§

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Call(CallError)

Error that occurs when a call failed.

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Transport(Error)

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

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Internal(SendError)

Frontend/backend channel error.

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InvalidResponse(Mismatch<String>)

Invalid response,

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RestartNeeded(String)

The background task has been terminated.

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ParseError(Error)

Failed to parse the data.

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InvalidSubscriptionId

Invalid subscription ID.

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InvalidRequestId

Invalid request ID.

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UnregisteredNotification(String)

Client received a notification with an unregistered method

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DuplicateRequestId

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

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MethodAlreadyRegistered(String)

Method was already registered.

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MethodNotFound(String)

Method with that name has not yet been registered.

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SubscriptionNameConflict(String)

Subscribe and unsubscribe method names are the same.

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RequestTimeout

Request timeout

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MaxSlotsExceeded

Configured max number of request slots exceeded.

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AlreadyStopped

Attempted to stop server that is already stopped.

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EmptyAllowList(&'static str)

List passed into access control based on HTTP header verification.

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HttpHeaderRejected(&'static strString)

Access control verification of HTTP headers failed.

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ResourceAtCapacity(&'static str)

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

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ResourceNameAlreadyTaken(&'static str)

Failed to register a resource due to a name conflict

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

Failed to initialize resources for a method at startup

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UninitializedMethod(Box<str>)

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

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MaxResourcesReached

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

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Custom(String)

Custom error.

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

🔬This is a nightly-only experimental API. (provide_any)
Data providers should implement this method to provide all values they are able to provide by using demand. Read more
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.
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
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