HttpProtocolException Class

Reference

Definition

Namespace:: System.Net.Http

Assembly:: System.Net.Http.dll

Source:: HttpProtocolException.cs

Source:: HttpProtocolException.cs

Source:: HttpProtocolException.cs

Important

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The exception thrown when an HTTP/2 or an HTTP/3 protocol error occurs.

public ref class HttpProtocolException sealed : System::IO::IOException

public ref class HttpProtocolException sealed : System::Net::Http::HttpIOException

public sealed class HttpProtocolException : System.IO.IOException

public sealed class HttpProtocolException : System.Net.Http.HttpIOException

type HttpProtocolException = class
    inherit IOException

type HttpProtocolException = class
    inherit HttpIOException

Public NotInheritable Class HttpProtocolException
Inherits IOException

Public NotInheritable Class HttpProtocolException
Inherits HttpIOException

Inheritance: Object

Exception

SystemException

IOException
HttpProtocolException

Inheritance: Object

Exception

SystemException

IOException

HttpIOException
HttpProtocolException

Remarks

When calling HttpClient or SocketsHttpHandler methods, HttpProtocolException will be the inner exception of HttpRequestException if a protocol error occurs. When calling Stream methods on the stream returned by ReadAsStream() or ReadAsStreamAsync(CancellationToken), HttpProtocolException can be thrown directly.

Constructors

HttpProtocolException(Int64, String, Exception)

Initializes a new instance of the HttpProtocolException class with the specified error code, message, and inner exception.

Properties

Data	Gets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception)
ErrorCode	Gets the HTTP/2 or HTTP/3 error code associated with this exception.
HelpLink	Gets or sets a link to the help file associated with this exception. (Inherited from Exception)
HResult	Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception)
HttpRequestError	Gets the HttpRequestError that caused the exception. (Inherited from HttpIOException)
InnerException	Gets the Exception instance that caused the current exception. (Inherited from Exception)
Message	Gets a message that describes the current exception. (Inherited from Exception)
Message	Gets a message that describes the current exception. (Inherited from HttpIOException)
Source	Gets or sets the name of the application or the object that causes the error. (Inherited from Exception)
StackTrace	Gets a string representation of the immediate frames on the call stack. (Inherited from Exception)
TargetSite	Gets the method that throws the current exception. (Inherited from Exception)

Methods

Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetBaseException()	When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetObjectData(SerializationInfo, StreamingContext)	Obsolete. When overridden in a derived class, sets the SerializationInfo with information about the exception. (Inherited from Exception)
GetType()	Gets the runtime type of the current instance. (Inherited from Exception)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Creates and returns a string representation of the current exception. (Inherited from Exception)

Events

SerializeObjectState

Obsolete.

Occurs when an exception is serialized to create an exception state object that contains serialized data about the exception.

(Inherited from Exception)

Applies to

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