在MacOSX上为Mono-“此应用程序支持的运行时版本不可用." v4.5 [英] Mono on MacOSX - "The runtime version supported by this application is unavailable." v4.5
问题描述
我刚刚在MACOSX 10.10.5 Yosemite上安装了Mono v4.0.4.
安装程序包是:MonoFramework-MDK-4.0.4.4.macos10.xamarin.x86.pkg从 http://www.mono-project.com/download下载/昨晚.
I have just installed Mono v4.0.4 on MACOSX 10.10.5 Yosemite.
The installer package was: MonoFramework-MDK-4.0.4.4.macos10.xamarin.x86.pkg downloaded from http://www.mono-project.com/download/ last night.
我有一个想与xsp4.exe一起运行的webapi应用程序.我使用以下命令行:
I have a webapi app that I would like to run with xsp4.exe. I use this command line:
/usr/bin/mono --runtime=v4.5 /Library/Frameworks/Mono.framework/Versions/4.0.4/lib/mono/4.5/xsp4.exe
我得到以下输出:
WARNING: The runtime version supported by this application is unavailable.
Using default runtime: v4.0.30319
...
为什么会收到此消息?为什么说运行时版本不可用"?
Why do I get this message? Why does it say, "the runtime version is unavailable"?
我相信我已经安装了v4.5，以及单声道v4.0.4.在目录/Library/Frameworks/Mono.framework/Versions/4.0.4/lib/mono中，我可以看到
I believe I have v4.5 installed, with mono v4.0.4. In the directory /Library/Frameworks/Mono.framework/Versions/4.0.4/lib/mono, I can see
- 2.0
- 3.5
- 4.0
- 4.5
这是否表明运行时v4.5可用?
Does this NOT indicate that v4.5 of the runtime is available?
在4.5目录中，我看到了很多DLL，它们都符号链接到gac目录.这些符号链接的目标存在.
Inside the 4.5 directory, I see lots of DLLs, all symlinked to a gac directory. The targets of these symlinks exist.
我不知道如何分辨单声道
I can't figure out how to tell mono, YEAH, v4.5 DOES EXIST. USE IT.
我有一个单独的，可能是相关的问题. 收到上述警告后，xsp4运行.当我尝试在浏览器中加载ASPX应用程序时，出现了可怕的CS0234错误，
I have a separate, probably related problem. After getting the above warning, xsp4 runs. When I try to load the ASPX app in the browser, I get the dreaded CS0234 error,
System.Web.Compilation.CompilationException
CS0234: The type or namespace name `Http' does not exist in the namespace `System.Web'. Are you missing an assembly reference?
但是在/Library/Frameworks/Mono.framework/Versions/4.0.4/lib/mono/4.5中，我可以看到
But in /Library/Frameworks/Mono.framework/Versions/4.0.4/lib/mono/4.5 , I can see
System.Web.Http.dll -> ../gac/System.Web.Http/4.0.0.0__31bf3856ad364e35/System.Web.Http.dll
该DLL肯定在gac目录中存在.我认为xsp4/mono无法找到属于v4.5的System.Web.Http.dll.我对吗?
And that DLL sure does exist in the gac directory. I think xsp4/mono cannot find the System.Web.Http.dll which is part of v4.5. Am I right?
我在做一些基本的错误.有人可以引导我正确吗?
I am doing something basic wrong. Can someone steer me right?
推荐答案
mono --runtime=
该选项是控制 CLR 运行时的方法:
That option is to control the CLR runtime:
CLR version .NET version
1.0 1.0
1.1 1.1
2.0 2.0, 3.0, 3.5
4 4, 4.5, 4.6
如果您不使用xsp4.exe，将会看到它需要一个可以提供CLR 4.0运行时的主机:
If you disasm xsp4.exe you will see that it requires a host that can provide the CLR 4.0 runtime:
ikdasm xsp4.exe | head -n 2
// Metadata version: v4.0.30319
或通过xCorFlags:
Or via xCorFlags:
>>corflags xsp4.exe
Mono/.NET Framework CorFlags Conversion Tool. Version 1.0.5643.36015
Copyright (c) SushiHangover. All rights reserved.
Version : v4.0.30319
CLR Header: 2.5
PE : PE32
CorFlags : 0x9
ILONLY : 1
32BITREQ : 0
32BITPREF : 0
Signed : 1
Mono将通过探测正在加载的CIL来自动检测所需的运行时，因此除非您确实需要强制使用其他运行时版本，否则无需指定它.
Mono will auto-detect the runtime required by probing the CIL that it is loading, so there is no need to specify it unless you really need to force a different runtime version.
仅供参考:Mono为xsp4(及其他)的工具/实用程序安装了shell脚本，因此您无需手动输入路径:
FYI: Mono installs shell scripts for tools/utilities for xsp4 (and others) so you do not have to hand-type the paths:
cat `which xsp4`
#!/bin/sh
exec /Library/Frameworks/Mono.framework/Versions/4.2.1/bin/mono $MONO_OPTIONS "/Library/Frameworks/Mono.framework/Versions/4.2.1/lib/mono/4.5/xsp4.exe" "$@"
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