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  • 将asp.net core站点发布到IIS上遇到的问题

    今天第一次将整个 asp.net core 站点发布到 IIS 上,以前都是发布到 Linux 服务器上。

    开始使用 dotnet publish -c release 命令发布,用浏览器访问站点时出现下面的错误:

    HTTP Error 502.5 - Process Failure
    
    Common causes of this issue:
    
    The application process failed to start
    The application process started but then stopped
    The application process started but failed to listen on the configured port
    
    Troubleshooting steps:
    
    Check the system event log for error messages
    Enable logging the application process’ stdout messages
    Attach a debugger to the application process and inspect

    而在命令行下通过发布时生成的可执行文件运行站点正常(Web服务器用的是Kestrel)。

    打开 web.config 文件一看发现 processPath 的值不对:

    <aspNetCore processPath="%LAUNCHER_PATH%" arguments="%LAUNCHER_ARGS%" stdoutLogEnabled="false" stdoutLogFile=".logsstdout" forwardWindowsAuthToken="false"/>

    这个值应该是在发布时被替换的,怎么没替换呢?

    到 project.json 中一看,发现下面的东东:

    "scripts": {
      "postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
    }

    目测 web.config 的转换工作是 dotnet publish-iis 命令的任务之一。

    于是手动运行 dotnet publish-iis 命令:

    dotnet publish-iis -p "bin
    elease
    etcoreapp1.1win8-x64publish" -f win8-x64

    出现下面的错误提示(实际上在使用 dotnet publish 命令时已经出现这个错误提示,由于提示文字没有以不同颜色区分显示,所以当时没注意):

    The specified framework 'Microsoft.NETCore.App', version '1.1.0-preview1-001100-00' was not found.
      - Check application dependencies and target a framework version installed at:
          C:Program FilesdotnetsharedMicrosoft.NETCore.App
      - The following versions are installed:
          1.1.0
      - Alternatively, install the framework version '1.1.0-preview1-001100-00'

    project.json 中 Microsoft.NETCore.App 的版本都已经是 1.1.0 ,怎么还报找不到 1.1.0-preview1 的错误?

    在 project.json 中巡视一番,遂怀疑下面的 NuGet 包还在依赖 Microsoft.NETCore.App 1.1.0-preview1。

    "tools": {
      "Microsoft.AspNetCore.Server.IISIntegration.Tools": {
        "version": "1.0.0-*",
        "imports": "portable-net45+win8+dnxcore50"
      }
    }

    将之升级为最新版 1.1.0-preview4-final ,问题解决。

    dotnet publish-iis 命令成功执行:

    $ dotnet publish-iis -p "bin
    elease
    etcoreapp1.1win8-x64publish" -f win8-x64
    Configuring the following project for use with IIS: 'bin
    elease
    etcoreapp1.1win8-x64publish'
    Updating web.config at 'bin
    elease
    etcoreapp1.1win8-x64publishweb.config'
    Configuring project completed successfully

    dotnet publish -c release 命令也生成了转换后的 web.config 。

    <aspNetCore processPath=".CNBlogs.XXX.WebApi.exe" arguments="" stdoutLogEnabled="false" stdoutLogFile=".logsstdout" forwardWindowsAuthToken="false" />
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  • 原文地址:https://www.cnblogs.com/dudu/p/6110727.html
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