使用 Microsoft.Bcl.Async 的 .NET 4.0 程序集的 RegAsm 失败

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问题描述

RegAsm 使用 Microsoft.Bcl.Async 的 .NET 4.0 程序集失败，并带有以下消息:

<上一页>RegAsm:错误 RA0000:无法加载文件或程序集
'System.Threading.Tasks，Version=1.5.11.0，Culture=neutral，
PublicKeyToken=b03f5f7f11d50a3a' 或其依赖项之一.
找到的程序集的清单定义与程序集引用不匹配.(来自 HRESULT 的异常:0x80131040)

我的程序集 (MyAssembly.dll) 使用最新的 Microsoft.Bcl.Async NuGet 包，这是项目的 packages.config:

<?xml version="1.0" encoding="utf-8"?><包><package id="Microsoft.Bcl" 版本="1.1.6" targetFramework="net40"/><包 id="Microsoft.Bcl.Async" 版本="1.0.165" targetFramework="net40"/><package id="Microsoft.Bcl.Build" 版本="1.0.13" targetFramework="net40"/></包>

它捆绑了 System.Threading.Tasks.dll 版本:2.6.6.0，它是 NuGet 包的一部分.目标系统(带有 .NET 4.0 但没有 .NET 4.5 的 Win7)上没有其他 System.Threading.Tasks.dll，在 GAC 或其他任何地方都没有.

这里是 MyAssembly.dll.config，它有正确的 System.Threading.Tasks 的 bindingRedirect 元素:

<?xml version="1.0" encoding="utf-8"?><配置><运行时><assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"><依赖程序集><assemblyIdentity name="System.IO" publicKeyToken="b03f5f7f11d50a3a"culture="neutral"/><bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0"/></dependentAssembly><依赖程序集><assemblyIdentity name="System.Runtime" publicKeyToken="b03f5f7f11d50a3a"culture="neutral"/><bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0"/></dependentAssembly><依赖程序集><assemblyIdentity name="System.Threading.Tasks" publicKeyToken="b03f5f7f11d50a3a"culture="neutral"/><bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0"/></dependentAssembly></assemblyBinding></运行时></配置>

我的问题:RegAsm 不使用 MyAssembly.dll.config 吗?如何使其工作以解决 bindingRedirect 指令?

解决方案

我想出的解决方案是 hack:

从 C:WindowsMicrosoft.NETFrameworkv4.0.30319RegAsm 复制了 RegAsm.exe 和 RegAsm.exe.config.exe 到 MyAssembly.dll 所在的本地文件夹；
将 RegAsm.exe.config 编辑为如下所示:

<?xml 版本="1.0"?><配置><启动使用LegacyV2RuntimeActivationPolicy="true"><requiredRuntime safemode="true" imageVersion="v4.0.30319" version="v4.0.30319"/><supportedRuntime version="v4.0" sku="client"/></启动><运行时><assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"><依赖程序集><assemblyIdentity name="System.IO" publicKeyToken="b03f5f7f11d50a3a"culture="neutral"/><bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0"/></dependentAssembly><依赖程序集><assemblyIdentity name="System.Runtime" publicKeyToken="b03f5f7f11d50a3a"culture="neutral"/><bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0"/></dependentAssembly><依赖程序集><assemblyIdentity name="System.Threading.Tasks" publicKeyToken="b03f5f7f11d50a3a"culture="neutral"/><bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0"/></dependentAssembly></assemblyBinding></运行时></配置>

现在，运行 RegAsm.exe/codebase MyAssembly.dll 可以正常运行.

有趣的是，useLegacyV2RuntimeActivationPolicy="true" 已经存在于标准 RegAsm.exe.config 中，但仅此一项并没有帮助.

我认为这与此处报告的错误相同:https://connect.microsoft.com/VisualStudio/feedback/details/789318/asyncpack-system-io-fileloadexception-could-not-load-file-or-assembly-system-threading-tasks-version-1-5-11-0.

RegAsm failing for a .NET 4.0 assembly using Microsoft.Bcl.Async with the following message:

RegAsm : error RA0000 : Could not load file or assembly 
'System.Threading.Tasks, Version=1.5.11.0, Culture=neutral, 
PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. 
The located assembly's manifest definition does not match 
the assembly reference. (Exception from HRESULT: 0x80131040)

My assembly (MyAssembly.dll) uses the latest Microsoft.Bcl.Async NuGet package, here's the project's packages.config:

<?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="Microsoft.Bcl" version="1.1.6" targetFramework="net40" />
  <package id="Microsoft.Bcl.Async" version="1.0.165" targetFramework="net40" />
  <package id="Microsoft.Bcl.Build" version="1.0.13" targetFramework="net40" />
</packages>

It bundles System.Threading.Tasks.dll Version: 2.6.6.0 which is a part of that NuGet package. There is no other System.Threading.Tasks.dll on the target system (Win7 with .NET 4.0 but without .NET 4.5), neither in GAC nor anywhere else.

Here is MyAssembly.dll.config, it has correct bindingRedirect elements for System.Threading.Tasks:

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>
        <assemblyIdentity name="System.IO" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Runtime" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Threading.Tasks" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0" />
      </dependentAssembly>
    </assemblyBinding>
  </runtime>
</configuration>

My question: does RegAsm not use MyAssembly.dll.config? How do I make it work so it resolves bindingRedirect instructions?

解决方案

The solution I have come up with is a hack:

copied RegAsm.exe and RegAsm.exe.config from C:WindowsMicrosoft.NETFrameworkv4.0.30319RegAsm.exe to a local folder where MyAssembly.dll is;
edited RegAsm.exe.config to look like this:

<?xml version ="1.0"?>
<configuration>
    <startup useLegacyV2RuntimeActivationPolicy="true">
        <requiredRuntime safemode="true" imageVersion="v4.0.30319" version="v4.0.30319"/>
        <supportedRuntime version="v4.0" sku="client" />
    </startup>

  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>
        <assemblyIdentity name="System.IO" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Runtime" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Threading.Tasks" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-2.6.6.0" newVersion="2.6.6.0" />
      </dependentAssembly>
    </assemblyBinding>
  </runtime>

</configuration>

now, running RegAsm.exe /codebase MyAssembly.dll works fine as expected.

Interestingly, useLegacyV2RuntimeActivationPolicy="true" has already been there in the standard RegAsm.exe.config, but alone it did not help.

I think this is the same bug reported here: https://connect.microsoft.com/VisualStudio/feedback/details/789318/asyncpack-system-io-fileloadexception-could-not-load-file-or-assembly-system-threading-tasks-version-1-5-11-0.

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使用 Microsoft.Bcl.Async 的 .NET 4.0 程序集的 RegAsm 失败

问题描述

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