Question

使用Visual Studio
创建了一个基本的JSON POST
发布参数导致HttpRequestBase.GetBufferedInputStream未找到失败

适用于：

Windows with visual studio

失败：

OSX Xamarin
Gentoo Xamarin

测试应用程序：Mono MVC5 Web API2 Test Case

测试程序：

在xamarin中运行MVC应用程序
在加载时，页面将向服务器发送ajax帖子。

a）服务器将在失败时返回500错误

b）console.log成功发布arg

Error: {
    "Message": "An error has occurred.",
    "ExceptionMessage": "Method 'HttpRequestBase.GetBufferedInputStream' not found.",
    "ExceptionType": "System.MissingMethodException",
    "StackTrace": " at System.Web.Http.WebHost.HttpControllerHandler+LazyStreamContent.get_StreamContent () [0x00008] in :0

                    at System.Web.Http.WebHost.HttpControllerHandler+LazyStreamContent.CreateContentReadStreamAsync () [0x00000] in :0

                    at System.Net.Http.HttpContent+c__async2.MoveNext () [0x00095] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/mcs/class/System.Net.Http/System.Net.Http/HttpContent.cs:159

                    --- End of stack trace from previous location where exception was thrown ---

                    at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:61

                    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00047] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:201

                    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:170

                    at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:142

                    at System.Runtime.CompilerServices.TaskAwaiter`1[System.IO.Stream].GetResult () [0x00000] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:372

                    at System.Net.Http.HttpContentExtensions+d__0`1[System.Object].MoveNext () [0x00080] in :0

                    --- End of stack trace from previous location where exception was thrown ---

                    at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:61

                    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00047] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:201

                    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:170

                    at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:142

                    at System.Runtime.CompilerServices.TaskAwaiter`1[System.Object].GetResult () [0x00000] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:372

                    at System.Web.Http.ModelBinding.FormatterParameterBinding+d__0.MoveNext () [0x000a5] in :0

                    --- End of stack trace from previous location where exception was thrown ---

                    at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:61

                    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00047] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:201

                    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:170

                    at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:142

                    at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:124

                    at System.Web.Http.Controllers.HttpActionBinding+d__0.MoveNext () [0x000a0] in :0

                    --- End of stack trace from previous location where exception was thrown ---

                    at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:61

                    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00047] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:201

                    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:170

                    at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:142

                    at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:124

                    at System.Web.Http.Controllers.ActionFilterResult+d__2.MoveNext () [0x0008f] in :0

                    --- End of stack trace from previous location where exception was thrown ---

                    at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/mcs/class/corlib/System.Runtime.ExceptionServices/ExceptionDispatchInfo.cs:61

                    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00047] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:201

                    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:170

                    at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:142

                    at System.Runtime.CompilerServices.TaskAwaiter`1[System.Net.Http.HttpResponseMessage].GetResult () [0x00000] in /private/tmp/source-mono-mac-4.0.0-branch-c5sr4/bockbuild-mono-4.0.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.0.4/external/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:372

                    at System.Web.Http.Dispatcher.HttpControllerDispatcher+d__1.MoveNext () [0x0018d] in :0 "
}

Answer 1

在承诺一个客户端之后我也遇到了这个问题我可以编写一个ASP.NET 5 WepAPI应用程序并将其部署在他们的Ubuntu 14.04服务器中。 Yay。

基本上，您需要升级到最新版本才能正确支持此功能。在Ubuntu上，您可以使用官方的nightlies存储库。但请注意，在Ubuntu上，您可能需要使用dpkg列出所有已安装的软件包并为mono执行grep，并确保完全清除以前的安装（手动和软件包管理器已安装）。如果您从源代码安装，则会出现此问题。

同样，在Ubuntu的上下文中，您可以使用whereis mono来跟踪它可能存在的任何地方。必须这样做，因为否则你会发生冲突，因为你的ENV中会有多个版本的单声道竞争。

对于OSX和其他平台，您可以找到官方信息和指向夜莺here的链接。

同样，对于Ubuntu，这里是如何将二进制nightlies添加到你的源：

echo "deb http://download.mono-project.com/repo/debian nightly main" | sudo tee /etc/apt/sources.list.d/mono-nightly.list
sudo apt-get update

Answer 2

此API仅在recently中添加到Mono中（第一个版本为4.3.2.467）。然后请升级您的Mono版本以便能够使用此功能。

（或者使用ASP.NET Core，它使WebAPI基础架构过时，并且在Linux中运行而不需要Mono，AFAIU。）

注意：是的，4.3.x在撰写本文时过于尖锐，那么您可能需要在分发范围之外自己升级Mono或访问不稳定的频道。或者自己构建Mono，但在任何情况下都会盲目跟随关于如何自己编译Mono的非官方指南，或者安装一些随机软件包（除非你知道你正在做什么）。您应该始终参考由官方来源签署的软件包，例如nightlies，或使用official guides on how to install versions of mono in parallel（否则您可能会遇到有关冲突的发行包或使用错误的前缀进行安装的问题开箱即用，等等。）

Answer 3

在第一篇文章中描述了要复制的上下文。

主要问题是“HttpRequestBase.GetBufferedInputStream”在Mono版本（4.2）中不可用。

异步操作未在单声道mcs中完全实现，如their blog所述。我为我的项目所做的解决方法是使用HttpContect.Current.Request.InputStream来获取发布的数据，并创建一个受aspnetwebstack repository启发的序列化扩展类。

然后是mono / windows的编译指令

可提供来源和示例here。

它可以在我的服务器mono v4.2.x（Debian 8）上运行，在Windows和Osx上进行测试。

Answer 4

我在Ubuntu 16.04上遇到了同样的错误。我通过升级我的Mono安装来修复它。 mono project's download page有关于如何为不同操作系统执行此操作的说明。

要升级，我运行了以下命令：

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
echo "deb http://download.mono-project.com/repo/ubuntu xenial main" | sudo tee /etc/apt/sources.list.d/mono-official.list
sudo apt-get update
sudo apt-get upgrade

[FromBody]之后可以正常工作。

执行WebAPI 2 JSON Post时找不到HttpRequestBase.GetBufferedInputStream

4 个答案: