couldnt load iimagecache - Umbraco Cloud

Topic author was deleted

Oct 14, 2016 @ 14:42

Couldn't load IImageCache

Umbraco Cloud

Umbraco 7

Hey,

We just deployed an existing web app to Umbraco Cloud but getting the error now

Couldn't load IImageCache: ImageProcessor.Web.Plugins.AzureBlobCache.AzureBlobCache, ImageProcessor.Web.Plugins.AzureBlobCache

[TypeLoadException: Couldn't load IImageCache: ImageProcessor.Web.Plugins.AzureBlobCache.AzureBlobCache, ImageProcessor.Web.Plugins.AzureBlobCache]
   ImageProcessor.Web.Configuration.ImageProcessorConfiguration.LoadImageCache() +654
   ImageProcessor.Web.Configuration.ImageProcessorConfiguration..ctor() +57
   ImageProcessor.Web.Configuration.<>c.<.cctor>b__50_0() +20
   System.Lazy`1.CreateValue() +411
   System.Lazy`1.LazyInitValue() +183
   System.Lazy`1.get_Value() +75
   ImageProcessor.Web.Configuration.ImageProcessorConfiguration.get_Instance() +27
   ImageProcessor.Web.HttpModules.ImageProcessingModule.Init(HttpApplication application) +47
   System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +534
   System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +172
   System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +339
   System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +296

[HttpException (0x80004005): Couldn't load IImageCache: ImageProcessor.Web.Plugins.AzureBlobCache.AzureBlobCache, ImageProcessor.Web.Plugins.AzureBlobCache]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9946132
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +90
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +261

Assembly is in the bin dir... so not sure why it can't find the type

Anyone have a clue?

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Sebastiaan Janssen 5045 posts 15476 karma points MVP admin hq

Oct 14, 2016 @ 15:13

Are you sure all the related files are there too, config files etc?

You could try to restart the environment (from the UaaS portal).

enter image description here

And of course it's always good to check the logs for errors.

The other thing I do if I want a really rough look at what's going on is go into Kudu and hit download on wwwroot in the debug console.. then I just do a BeyondCompare to see what's different between local and remote to see if I did something silly.

enter image description here

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Comment author was deleted

Oct 14, 2016 @ 18:39

Thank for the tips Seb, yeah we did a compare but the strange thing is when we now clone the site the dll isn't there (the ImageProcessor.Web.Plugins.AzureBlobCache one) so we added that and did a push that currently fixes the problem (so the site is running now) but still super strange that the file would show in kudu.... and not when cloning...

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Sebastiaan Janssen 5045 posts 15476 karma points MVP admin hq

Oct 14, 2016 @ 18:46

Weird! Was it showing in wwwroot or in repository? Could be that there was a problem deploying from repository to wwwroot so it didn't get copied to the actual site.

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Comment author was deleted

Oct 17, 2016 @ 09:01

Was showing in wwwroot so yeah that's super strange

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Sebastian Dammark 581 posts 1385 karma points

Jul 20, 2018 @ 10:37

I'm having the exact same issue. What is the filename of the DLL that you were adding ?

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Comment author was deleted

Jul 20, 2018 @ 10:45

think it was ImageProcessor.Web.Plugins.AzureBlobCache.dll

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Sebastian Dammark 581 posts 1385 karma points

Jul 20, 2018 @ 10:47

That is weird.

That file is not a part of the package. Could you in any way send it to me ?

Maybe a link in this thread ?

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Sebastian Dammark 581 posts 1385 karma points

Jul 20, 2018 @ 10:55

Really weird. That file is not a part of the package.

Could you in some way send me the file through a link or something ?

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Comment author was deleted

Jul 20, 2018 @ 12:13

Sure you can get it here https://www.nuget.org/packages/ImageProcessor.Web.Plugins.AzureBlobCache/ (you can download nuget, name to .zip en extract)

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Alan Mitchell 57 posts 279 karma points c-trib

Nov 22, 2018 @ 10:47

I found this thread because I encountered a similar issue, so I'm replying in case anyone else finds the same.

I am moving an Umbraco site from dedicated hosting to Azure web app hosting. This involves installing ImageProcessor Azure Blob Cache. After installing via nuget and setting up the configs, the site built but produced this runtime error.

The fix was to upgrade the .NET version (from 4.5.1 in my case) to the required 4.5.2. And also to upgrade the existing ImageProcessor nuget packages to the latest version. The version dependencies are listed on the nuget packages, but weren't enforced on my build machine - leading to missing dlls.

Hope this helps.

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Couldn't load IImageCache