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HTTP Error 500.30 - ANCM In-Process Start Failure #8980
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This also breaks with the same exact message on Azure App Service sometimes when restarting the website. Is it meant to be this broken? :( |
i have the same problem on windows data center 2016 iis 10. i created vs 2017.9 asp.net .net core mvc application - no changes. it runs successfully on windows 10 iis but not on server. i am using asp.net core 2.2.3 runtime. i am running DotNetCore.2.0.8-WindowsHosting and httpPlatformHandler_amd64 and dotnet-hosting-2.2.3-win. the application starts as a kestrel process - ie i run the exe of my application or dotnet myapp.dll. an empty log is created - no messages no nothing to help further isolate/identify issue. ps - after more poking around i found a similar - perhaps same - issue Cannot create a file that already exists? in fact that hresult is the same one i got. pps - so has this bug been fixed? if so where do i get the fix? ppps - is the work around to use out of process? |
Have you looked at the troubleshooting guidance in our documentation? https://docs.microsoft.com/en-us/aspnet/core/host-and-deploy/iis/troubleshoot?view=aspnetcore-2.2#50030-in-process-startup-failure If you still have failures after going through those steps, let us know. |
I think I may have a lead on this, at least for local development. I started my project with using the legacy out of process hosting system, and then later switch to the InProcess system. This seemed to have broken things with this obtuse error. I then changed the port number and it started to work. Does it have something to do with the applicationHost.config file perhaps? |
Have you looked at the Event log or standard output logs as described in the doc I linked? |
Closing this as we haven't heard from you and generally close issues with no response after ~7 days. Please feel free to comment if you're able to get the information we're looking for and we can reopen the issue to investigate further! |
This error appears to me after I accidentally registered the same interface in my
Make sure to double check your |
I can confirm I also had some dynamic registrations registering an interface as both service type and implementation type. What an astonishingly awful job aspnetcore does of communicating this. We're like one or two steps away from the bad old days of Error 0x80001000. |
I get this error and problem was mistake connection string. |
Just a heads-up that since this is a closed issue we don't track it in our regular issue management processes. If you are still seeing this error and need assistance, please file a new issue so it gets right in our face :). @worldspawn these kinds of errors should definitely be reported (in detail) on the error page when in Development mode (in ASP.NET Core 3.0 previews and the coming RTM version). We can't report them in production environments because it's a security risk, but there they should land in the Windows Event Log (in detail). If you have a situation where you aren't seeing the detailed error page in development mode (when |
I got this error and realised I had missed a comma out of the appsettings.json file. It would be good if it did give a less generic error though to speed up troubleshooting. |
The ANCM error is after I have installed the "Key Vault" for my web app. with ASP.Net Core 2.2 |
Please, check the Database Connection string at appsettings.json and assure the path, user and password is correct |
Hi, when I use a Key Vault than I don't have a Database Connection string in appsettings.json. |
Work for me ASP.NET Core 2.2 or later: For a 64-bit (x64) self-contained deployment that uses the in-process hosting model, disable the app pool for 32-bit (x86) processes. In the Actions sidebar of IIS Manager > Application Pools, select Set Application Pool Defaults or Advanced Settings. Locate Enable 32-Bit Applications and set the value to False. |
Hi DimaSun, |
This work for me In the file MyProject.csproj I Change this line For this I'm looking for a better solution... |
Hi AHTA, Sorry, but everything is the same as before. only the error header is changed in Azure: |
Net Core 2.2 |
Sorry Eaguerrerov, this was one of my checks. The only problem is when I work with a "Key fault" in my program. Without the key vault and use the appsettings.json, then every thing is Ok. |
Hi !! |
@KhalilHemissi is working with dependency injection in your application asp net core 2.2 ? |
@KhalilHemissi this is a generic error and there are many causes. Check the windows event viewer application log for a cause and if you don't find anything there check the log file setup in web.config. Usually ./logs, it's off by default, enable in web.config. |
@worldspawn Thanks for answering .. |
@eaguerrerov Yes . Thanks for answering .. |
even when i create a new project api core 2.2 !! it didn't work , same problem !!! :( :( |
@KhalilHemissi url here: |
@eaguerrerov thanks , i will try but i have new news !! |
@eaguerrerov i re-installed .NET Core SDK 2.2.0 and 2.2.0 Runtime & Hosting bundle. |
Perhaps your problem is that you missed the comma in "appsettings.json" |
In my case we had to change back slash with '/' (forward slash) in one of the path settings in logging.json which was referenced in startup. |
Apparently many conditions can trigger this error code. In my case, I had to re-authenticate VS with Azure so my Key Vault client could be created, |
Brilliant, this solved it for me. This error seems like the dumping ground for whatever exception pops up during startup. |
Run the application from command line since that might reveal the actual error. First got this generic one and then I ran |
A friend had the same problem, the error was in the connection string, wrong host name. |
I solved mine by deleting all obj and bin folders then rebuild solution and published it again. If you encounter this problem, then try to delete obj and bin first before trying anything else suggested in this issue. Powershell command I used to delete all bin and obj in solution folder: |
Thank you. |
Same problem (connection string), but in my case it was "SERVER\INSTANCE", after correction to "SERVER\\INSTANCE" it works. Thanks for your hints. |
Server\\Instance with double backslash... |
Describe the bug
When trying to launch an ASP.NET Core 2.2 web app locally (Windows 10) I receive
HTTP Error 500.30 - ANCM In-Process Start Failure
error message when the browser opens.To Reproduce
Steps to reproduce the behavior:
Expected behavior
It to work without error.
Screenshots
More information
None of the other bug reports appear to have a resolution.
Is this an Azure only feature, and wont ever work locally? How is it supposed to work locally?
Assuming its the most performant option, can I make it so local development continues to use Kestrel and only production/Release-mode uses IIS in-proc?
Thanks
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