[英]SocketException while reading data from Request.Body in ASP.NET Core
我们最近将一个项目从Azure 云服务（经典）迁移到了 Service Fabric。 它是一个 ASP.NET WebAPI。 从那时起，我们在Deserialize方法中得到了很多SocketException 。 代码如下所示：
using (var decompressionStream = new GZipStream(Request.Body, CompressionMode.Decompress))
{
using (var sr = new StreamReader(decompressionStream))
{
// https://www.newtonsoft.com/json/help/html/Performance.htm
using (var jsonReader = new JsonTextReader(sr))
{
model= Serializer.Deserialize<Model>(jsonReader);
}
}
}
例外是：
Message:
An established connection was aborted by the software in your host machine
有时我们会得到：
The read operation failed, see inner exception. One or more errors occurred. An existing connection was forcibly closed by the remote host An existing connection was forcibly closed by the remote host.
异常堆栈：
System.IO.IOException:
at System.Net.Security._SslStream.EndRead (System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.Threading.Tasks.TaskFactory`1+FromAsyncTrimPromise`1.Complete (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at Microsoft.AspNetCore.Server.Kestrel.Core.Adapter.Internal.AdaptedPipeline+<ReadInputAsync>d__18.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Core, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.IO.Pipelines.PipeCompletion.ThrowLatchedException (System.IO.Pipelines, Version=4.0.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51)
at System.IO.Pipelines.Pipe.GetReadResult (System.IO.Pipelines, Version=4.0.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51)
at System.IO.Pipelines.Pipe.GetReadAsyncResult (System.IO.Pipelines, Version=4.0.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.Http1MessageBody+<PumpAsync>d__4.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Core, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.IO.Pipelines.PipeCompletion.ThrowLatchedException (System.IO.Pipelines, Version=4.0.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51)
at System.IO.Pipelines.Pipe.GetReadResult (System.IO.Pipelines, Version=4.0.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51)
at System.IO.Pipelines.Pipe.GetReadAsyncResult (System.IO.Pipelines, Version=4.0.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.MessageBody+<ReadAsync>d__27.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Core, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpRequestStream+<ReadAsyncInternal>d__21.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Core, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpRequestStream.Read (Microsoft.AspNetCore.Server.Kestrel.Core, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
at System.IO.Compression.DeflateStream.Read (System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.IO.StreamReader.ReadBuffer (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.IO.StreamReader.Read (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at Newtonsoft.Json.JsonTextReader.ReadData (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.JsonTextReader.ReadStringIntoBuffer (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.JsonTextReader.ParseValue (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.JsonWriter.WriteToken (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.JsonWriter.WriteToken (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateJToken (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateList (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateList (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.JsonSerializer.DeserializeInternal (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Newtonsoft.Json.JsonSerializer.Deserialize (Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
at Controller.Post (Service, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null: F:\Controller.cs:80)
Inner exception System.AggregateException handled at System.Net.Security._SslStream.EndRead:
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at Microsoft.AspNetCore.Server.Kestrel.Core.Adapter.Internal.RawStream.EndRead (Microsoft.AspNetCore.Server.Kestrel.Core, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
at System.Net.FixedSizeReader.ReadCallback (System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
Inner exception Microsoft.AspNetCore.Connections.ConnectionResetException handled at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw:
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.IO.Pipelines.PipeCompletion.ThrowLatchedException (System.IO.Pipelines, Version=4.0.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51)
at System.IO.Pipelines.Pipe.GetReadResult (System.IO.Pipelines, Version=4.0.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51)
at System.IO.Pipelines.Pipe.GetReadAsyncResult (System.IO.Pipelines, Version=4.0.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51)
at Microsoft.AspNetCore.Server.Kestrel.Core.Adapter.Internal.RawStream+<ReadAsyncInternal>d__22.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Core, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
Inner exception System.Net.Sockets.SocketException handled at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw:
at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal.SocketAwaitableEventArgs.<GetResult>g__ThrowSocketException|7_0 (Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal.SocketAwaitableEventArgs.GetResult (Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal.SocketConnection+<ProcessReceives>d__24.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal.SocketConnection+<DoReceive>d__23.MoveNext (Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
早些时候，经典服务中的代码曾经是这样的，并且可以正常工作：
Model model;
try
{
using (var sr = await OpenDecompressedBodyAsync(request.Content))
{
using (var jsonReader = new JsonTextReader(sr))
{
model = Serializer.Deserialize<Model>(jsonReader);
}
}
}
private async Task<StreamReader> OpenDecompressedBodyAsync(HttpContent requestContent)
{
var body = await requestContent.ReadAsStreamAsync();
var gzip = new GZipStream(body, CompressionMode.Decompress);
var sr = new StreamReader(gzip);
return sr;
}
我们已经尝试了很多东西，但是异常仍然存在。 此外，它也不是很常见。 偶尔发生一次。 数据量非常大，每个 Request.Body 最多可以有 2-3MB 的数据。 有人可以帮助我们为什么会收到 SocketException 吗？
尝试禁用防火墙/防病毒，并测试。
如果有效。 这意味着您需要允许特定端口或为此创建新规则。
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