我正在一个ASP.NET Core 2.1.1项目中使用最新的Rotativa.NetCore组件。NuGet (https://www.nuget.org/packages/Rotativa.AspNetCore v. 1.0.6) 在部署(win2016)时无法工作,但在本地(win10)上可以。
在部署时,IIS报404错误,错误日志(stdout)显示如下:
fail: Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware[1]
An unhandled exception has occurred while executing the request.
System.Exception
at Rotativa.AspNetCore.WkhtmlDriver.Convert(String wkhtmlPath, String switches, String html, String wkhtmlExe)
at Rotativa.AspNetCore.WkhtmltopdfDriver.ConvertHtml(String wkhtmltopdfPath, String switches, String html)
at Rotativa.AspNetCore.ViewAsPdf.CallTheDriver(ActionContext context)
at Rotativa.AspNetCore.AsResultBase.BuildFile(ActionContext context)
at Rotativa.AspNetCore.AsResultBase.ExecuteResultAsync(ActionContext context)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeResultAsync(IActionResult result)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResultFilterAsync[TFilter,TFilterAsync]()
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResultExecutedContext context)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.ResultNext[TFilter,TFilterAsync](State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeResultFilters()
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()
at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.Invoke(HttpContext context)
这是'myproject'的源代码
public IActionResult DownloadCertificate(int id)
{
var model = getData(id);
return new ViewAsPdf("PdfCertificate", model)
{
WkhtmlPath = "", // set the path to the Rotativa .exe files. works locally but not on deployment.
FileName = "Cert.pdf"
};
}
我尝试将
WkhtmlPath
更改为 "..\\Rotativa\\"
,但没有成功。在排除故障时,我发现:https://stackoverflow.com/a/48166956/560784 - 显然 Rotativa 是针对 .NET Core 1.0 编译的:
所以,我下载了 Rotativa 源代码并相应地更新到 .NET core 2.0,引用了新的程序集。问题仍然存在。这里有更新 Rotativa.NetCore 从.NET Core 1升级到.NET Core 2.0 的代码: https://github.com/aaxelm/Rotativa.NetCore/pull/1/files?diff=split
我也检查了权限。Rotativa 文件夹授予 IIS_IUSRS 执行权限(运行 ApplicationPoolIdentity)。
我错过了什么?
我的本地文件夹结构:
我的部署文件夹结构:c:\inetpub\myproject\myproject.dll + web.config 和其他文件。 c:\inetpub\myproject\Rotativa{wkhtmltoimage.exe、wkhtmltopdf.exe、wkhtmltox.dll}
c:\inetpub\sites\myproject\myproject.dll + web.config 和其他文件。 c:\inetpub\sites\myproject\wwwroot\(静态文件) c:\inetpub\sites\myproject\Rotativa{wkhtmltoimage.exe、wkhtmltopdf.exe、wkhtmltox.dll}