在VS2012 c#项目的构建过程中，我一直得到这个错误
Error 41 Could not copy "obj\Debug\WeinGartner.WeinCad.exe" to
"bin\Debug\WeinGartner.WeinCad.exe".
Exceeded retry count of 10. Failed.
Error 42 Unable to copy file "obj\Debug\WeinGartner.WeinCad.exe" to
"bin\Debug\WeinGartner.WeinCad.exe". The process cannot access the file
'bin\Debug\WeinGartner.WeinCad.exe' because it is being used by another
process.
现在我知道该终止进程了
Weingartner.WeinCad.vhost.exe
(有时)有用，但这让我很紧张。有办法阻止这一切发生吗?
调试器设置为
当前回答
I experienced the error-messages when attempting to build the primary WinForms (XAF) project. I could only execute the application one time then needed to shutdown the VS2015 IDE and restart before a rebuild could be performed. After some digging in the project's property pages - in the "debug" property page, a check box was selected - Enable the Visual Studio Hosting Process. I unchecked and restarted the IDE, the application is now building without - "unable to copy the {project}.exe" messages.
Visual Studio托管过程的目的是什么?
其他回答
下面是一个脚本，绝对可以摆脱这个问题:
REM This script is invoked before compiling an assembly, and if the target file exist, it moves it to a temporary location
REM The file-move works even if the existing assembly file is currently locked-by/in-use-in any process.
REM This way we can be sure that the compilation won't end up claiming the assembly cannot be erased!
echo PreBuildEvents
echo $(TargetPath) is %1
echo $(TargetFileName) is %2
echo $(TargetDir) is %3
echo $(TargetName) is %4
set dir=C:\temp\LockedAssemblies
if not exist %dir% (mkdir %dir%)
REM delete all assemblies moved not really locked by a process
del "%dir%\*" /q
REM assembly file (.exe / .dll) - .pdb file and eventually .xml file (documentation) are concerned
REM use %random% to let coexists several process that hold several versions of locked assemblies
if exist "%1" move "%1" "%dir%\%2.locked.%random%"
if exist "%3%4.pdb" move "%3%4.pdb" "%dir%\%4.pdb.locked%random%"
if exist "%3%4.xml.locked" del "%dir%\%4.xml.locked%random%"
REM Code with Macros
REM if exist "$(TargetPath)" move "$(TargetPath)" "C:\temp\LockedAssemblies\$(TargetFileName).locked.%random%"
REM if exist "$(TargetDir)$(TargetName).pdb" move "C:\temp\LockedAssemblies\$(TargetName).pdb" "$(TargetDir)$(TargetName).pdb.locked%random%"
REM if exist "$(TargetDir)$(TargetName).xml.locked" del "C:\temp\LockedAssemblies\$(TargetName).xml.locked%random%"
REM PreBuildEvent code
REM $(SolutionDir)\BuildProcess\PreBuildEvents.bat "$(TargetPath)" "$(TargetFileName)" "$(TargetDir)" "$(TargetName)"
REM References:
REM http://www.hanselman.com/blog/ManagingMultipleConfigurationFileEnvironmentsWithPreBuildEvents.aspx
REM http://stackoverflow.com/a/2738456/27194
REM http://stackoverflow.com/a/35800302/27194
脚本需要从每个VS项目预构建事件中调用。
$(SolutionDir)\BuildProcess\PreBuildEvents.bat "$(TargetPath)" "$(TargetFileName)" "$(TargetDir)" "$(TargetName)"
重置IIS，停止使用您的DLL的服务(可能是控制台应用程序或windows服务托管应用程序或IIS)，然后尝试。
这对我很管用。
异常
在某些情况下，在Visual Studio当你(Build || Rebuild)在上面 运行IISExpress时，你会遇到这个异常:
无法复制文件"obj\Debug\YourProjectName.dll"到bin\YourProjectName.dll"。进程无法访问该文件 'bin\YourProjectName.dll'，因为它正在被其他人使用 过程
解决方案
右键单击需要构建的web项目。 单击属性。 在左侧选择Build Events选项卡。 在Pre-build events命令行中粘贴这两行:
tasklist /fi “imagename eq iisexpress.exe” |find “：” > NUL 如果错误级别 1 任务杀死 /f /im “iisexpress.exe”
你很好!
我的10美分贡献。
我在VS 2015更新2时偶尔还会遇到这个问题。
我发现切换编译目标可以解决这个问题。
试试这个: 如果你在调试切换到释放和构建，然后回到调试。问题已经解决了。
斯特凡诺
我在Visual Studio 2013中遇到过类似的错误消息。
大多数情况下，我发现这种情况发生在调试进程因为异常而停止时。
当clean+build不能为我解决这个问题时，我通过以下方法取得了成功:
关闭Visual Studio 删除bin和obj文件夹 重新开放Visual Studio。
此“bug”自Visual Studio 2003以来一直存在。
最后，我还发现我通常可以通过简单地重命名可执行文件然后删除它来克服这个问题。
