QPACK error during HTTP/3 stress #69310
Description
Observed during #69182.
client_1 | Failure Type 1/1:
client_1 | System.Net.Http.HttpRequestException: Error while copying content to a stream.
client_1 | ---> System.IO.IOException: An error occurred while sending the request.
client_1 | ---> System.Net.Http.HttpRequestException: An error occurred while sending the request.
client_1 | ---> System.Net.Http.QPack.QPackDecodingException: The HTTP/3 server attempted to reference a dynamic table index that does not exist.
client_1 | at System.Net.Http.QPack.QPackDecoder.ThrowDynamicTableNotSupported() in /_/src/libraries/Common/src/System/Net/Http/aspnetcore/Http3/QPack/QPackDecoder.cs:line 754
client_1 | at System.Net.Http.QPack.QPackDecoder.DecodeInternal(ReadOnlySpan`1 data, IHttpStreamHeadersHandler handler) in /_/src/libraries/Common/src/System/Net/Http/aspnetcore/Http3/QPack/QPackDecoder.cs:line 183
client_1 | at System.Net.Http.Http3RequestStream.ReadHeadersAsync(Int64 headersLength, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 850
client_1 | at System.Net.Http.Http3RequestStream.ReadNextDataFrameAsync(HttpResponseMessage response, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 1258
client_1 | at System.Net.Http.Http3RequestStream.ReadResponseContentAsync(HttpResponseMessage response, Memory`1 buffer, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 1185
client_1 | --- End of inner exception stack trace ---
client_1 | --- End of inner exception stack trace ---
client_1 | at System.Net.Http.Http3RequestStream.HandleReadResponseContentException(Exception ex, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 1210
client_1 | at System.Net.Http.Http3RequestStream.ReadResponseContentAsync(HttpResponseMessage response, Memory`1 buffer, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/Http3RequestStream.cs:line 1185
client_1 | at System.IO.Stream.<CopyToAsync>g__Core|27_0(Stream source, Stream destination, Int32 bufferSize, CancellationToken cancellationToken) in /_/src/libraries/System.Private.CoreLib/src/System/IO/Stream.cs:line 117
client_1 | at System.Net.Http.HttpConnectionResponseContent.<SerializeToStreamAsync>g__Impl|6_0(Stream stream, TransportContext context, CancellationToken cancellationToken) in /_/src/libraries/System.Net.Http/src/System/Net/Http/SocketsHttpHandler/HttpConnectionResponseContent.cs:line 63
client_1 | at System.Net.Http.HttpContent.LoadIntoBufferAsyncCore(Task serializeToStreamTask, MemoryStream tempBuffer) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpContent.cs:line 544
client_1 | --- End of inner exception stack trace ---
client_1 | at System.Net.Http.HttpContent.LoadIntoBufferAsyncCore(Task serializeToStreamTask, MemoryStream tempBuffer) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpContent.cs:line 544
client_1 | at System.Net.Http.HttpContent.WaitAndReturnAsync[TState,TResult](Task waitTask, TState state, Func`2 returnFunc) in /_/src/libraries/System.Net.Http/src/System/Net/Http/HttpContent.cs:line 846
client_1 | at HttpStress.ClientOperations.<>c.<<get_Operations>b__1_8>d.MoveNext() in /app/ClientOperations.cs:line 420
client_1 | --- End of stack trace from previous location ---
client_1 | at HttpStress.StressClient.<>c__DisplayClass17_0.<<StartCore>g__RunWorker|0>d.MoveNext() in /app/StressClient.cs:line 224
client_1 |
client_1 | 8: POST Duplex Slow Fail: 1 Timestamps: 10:02:49.2009120, Duration: 00:00:00.0289717, Cancelled: False
client_1 | TOTAL Fail: 1
client_1 |
Single occurrence in 30m stress run, could be tough to reproduce.