AbpCore 执行迁移文件生成数据库报错 Could not find root folder of the web project!

Dear 丶 2021-11-26 08:18 325阅读 0赞

**背景介绍**

** **   下载开源52abp项目（https://github.com/52ABP/LTMCompanyNameFree.YoyoCmsTemplate）进行修改项目名称

![600410-20181207135925176-103483973.png][]

准备update-database 指令生成数据库，报错如下：

System.Exception: Could not find root folder of the web project!  
   at YY.Frame.AbpCore.Web.WebContentDirectoryFinder.CalculateContentRootFolder() in G:\\ABP Core\\Github\\LTMCompanyNameFree.YoyoCmsTemplate-master（abp4.0.2）\\src\\aspnet-core\\src\\YY.Frame.AbpCore.Core\\Web\\WebContentFolderHelper.cs:line 46  
   at YY.Frame.AbpCore.EntityFrameworkCore.YoyoCmsTemplateDbContextFactory.CreateDbContext(String\[\] args) in G:\\ABP Core\\Github\\LTMCompanyNameFree.YoyoCmsTemplate-master（abp4.0.2）\\src\\aspnet-core\\src\\YY.Frame.AbpCore.EntityFrameworkCore\\EntityFrameworkCore\\YoyoCmsTemplateDbContextFactory.cs:line 15  
   at Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.CreateContext(Func\`1 factory)  
   at Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.CreateContext(String contextType)  
   at Microsoft.EntityFrameworkCore.Design.Internal.MigrationsOperations.AddMigration(String name, String outputDir, String contextType)  
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigrationImpl(String name, String outputDir, String contextType)  
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.<>c\_\_DisplayClass3\_0\`1.<Execute>b\_\_0()  
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.Execute(Action action)  
Could not find root folder of the web project!

仔细看报错信息

![600410-20181207140339863-642303261.png][]

调用var configuration = AppConfigurations.Get(WebContentDirectoryFinder.CalculateContentRootFolder());这地方抛出的

CalculateContentRootFolder

public static string CalculateContentRootFolder()  
        \{  
            var coreAssemblyDirectoryPath = Path.GetDirectoryName(typeof(YoyoCmsTemplateCoreModule).GetAssembly().Location);  
            if (coreAssemblyDirectoryPath == null)  
            \{  
                throw new Exception("Could not find location of YY.Frame.AbpCore.Core assembly!");  
            \}

var directoryInfo = new DirectoryInfo(coreAssemblyDirectoryPath);

while (!DirectoryContains(directoryInfo.FullName, "YY.Frame.AbpCore.sln"))  
            \{  
                if (directoryInfo.Parent == null)  
                \{  
                    throw new Exception("Could not find content root folder!");  
                \}

directoryInfo = directoryInfo.Parent;  
            \}

var webMvcFolder = Path.Combine(directoryInfo.FullName, "src", "YY.Frame.AbpCore.Web.Mvc");  
            if (Directory.Exists(webMvcFolder))  
            \{  
                return webMvcFolder;  
            \}

var webHostFolder = Path.Combine(directoryInfo.FullName, "src", "YY.Frame.AbpCore.Web.Host");  
            if (Directory.Exists(webHostFolder))  
            \{  
                return webHostFolder;  
            \}

throw new Exception("Could not find root folder of the web project!");  
        \}

看完上面代码，把目录抛出来看看

![600410-20181207140949676-1196035266.png][]

不难发现dll都生成在netcoreapp2.1 目录下，并没有在src文件夹

![600410-20181207141216655-1234788434.png][]

解决方法把CalculateContentRootFolder方法中src目录去掉

public static string CalculateContentRootFolder()
            {
                var coreAssemblyDirectoryPath = Path.GetDirectoryName(typeof(YoyoCmsTemplateCoreModule).GetAssembly().Location);
                if (coreAssemblyDirectoryPath == null)
                {
                    throw new Exception("Could not find location of YY.Frame.AbpCore.Core assembly!");
                }
    
                var directoryInfo = new DirectoryInfo(coreAssemblyDirectoryPath);
    
               // throw new Exception(directoryInfo.FullName);
    
    
                while (!DirectoryContains(directoryInfo.FullName, "YY.Frame.AbpCore.sln"))
                {
                    if (directoryInfo.Parent == null)
                    {
                        throw new Exception("Could not find content root folder!");
                    }
    
                    directoryInfo = directoryInfo.Parent;
                }
    
                var webMvcFolder = Path.Combine(directoryInfo.FullName, "", "YY.Frame.AbpCore.Web.Mvc");
                if (Directory.Exists(webMvcFolder))
                {
                    return webMvcFolder;
                }
    
                var webHostFolder = Path.Combine(directoryInfo.FullName, "", "YY.Frame.AbpCore.Web.Host");
                if (Directory.Exists(webHostFolder))
                {
                    return webHostFolder;
                }
    
                throw new Exception("Could not find root folder of the web project!");
            }

正常可以生成迁移文件

![600410-20181207141549487-1653588898.png][]

转载于:https://www.cnblogs.com/Martincheng/p/10082670.html

[600410-20181207135925176-103483973.png]: /images/20211126/a66c4477063446caaa1b7510cc45d813.png
[600410-20181207140339863-642303261.png]: /images/20211126/b2c1f7614b2a44489837a58dc4bc5073.png
[600410-20181207140949676-1196035266.png]: /images/20211126/a5df4a7d2b0940f18d8699e538eba261.png
[600410-20181207141216655-1234788434.png]: /images/20211126/3e558e0c5b1a4da29251da3666b07324.png
[600410-20181207141549487-1653588898.png]: /images/20211126/010250c6854d4205b3822c824db3b99b.png