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asp.net core项目部署到iis每次更新都提示被占用需要停止网站才可以的问题解决

news 来源：原创 2024/5/9 11:38:00

前言

就是asp.net core打包的项目，都是直接发布复制到iis中，但是更新的时候需要停止掉iis，才能更新，否则会报应用程序正在被占用的问题，不能像.netframework的web应用一样热更新，经过了解和百度，发现可以使用如下方式实现

将进程内改为进程外

打包后的web.config大体如下

<?xml version="1.0" encoding="utf-8"?>
<configuration><location path="." inheritInChildApplications="false"><system.webServer><handlers><add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModuleV2" resourceType="Unspecified" /></handlers><aspNetCore processPath="dotnet" arguments=".\xxxx.dll" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" hostingModel="inprocess" /></system.webServer></location>
</configuration>

注意aspnetcore节点hostingModel属性是inprocess(也可以这么写InProcess，不区分大小写)，表示是在进程内

<aspNetCore processPath="dotnet" arguments=".\xxxx.dll" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" hostingModel="inprocess" />

如果改成进程外就可以热更新了，进程外是OutOfProcess

<aspNetCore processPath="dotnet" arguments=".\xxxx.dll" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" hostingModel="OutOfProcess" />

对于inprocess和outofprocess的官方解释

适合.net6级以上的

web.config，主要是增加handlerSettings节点

<?xml version="1.0" encoding="utf-8"?>
<configuration><!-- To customize the asp.net core module uncomment and edit the following section.For more info see https://go.microsoft.com/fwlink/?linkid=838655 --><system.webServer><handlers><remove name="aspNetCore"/><add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModulev2" resourceType="Unspecified"/></handlers><aspNetCore processPath="%LAUNCHER_PATH%" arguments="%LAUNCHER_ARGS%" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout"><handlerSettings><handlerSetting name="experimentalEnableShadowCopy" value="true" /><handlerSetting name="shadowCopyDirectory" value="../ShadowCopyDirectory/" /><!-- Only enable handler logging if you encounter issues--><!--<handlerSetting name="debugFile" value=".\logs\aspnetcore-debug.log" />--><!--<handlerSetting name="debugLevel" value="FILE,TRACE" />--></handlerSettings></aspNetCore></system.webServer>
</configuration>

使用外部插件

使用ZipDeploy，nuget安装使用

ZipDeploy源代码

MSDeploy

就是vs自带的那个远程发布工具

参考

https://learn.microsoft.com/zh-cn/aspnet/core/host-and-deploy/iis/?view=aspnetcore-7.0
https://stackoverflow.com/questions/63046109/after-the-release-of-net-core-3-1-hostingmodel-inprocess-always-appears-in-t
https://www.cnblogs.com/harpz/p/16174876.html
https://blog.51cto.com/u_13746169/5876561
https://blog.51cto.com/MyIO/5180715