Generate_IIS : You cannot call a method on a null-valued expression.

[ohdihe]

Still having the same issue. I don't know if the fix ever got merged because, I see the problem raised as an issue previously. Below is my -verbose output:

VERBOSE: Finished mounting image to: C:\Users\odidir\AppData\Local\Temp\226c3984-bf0a-4cc5-b410-9211fb5c8111-mount
VERBOSE: Starting conversion process
VERBOSE: Started discovering IIS artifact
VERBOSE: Checking IIS ApplicationHost config for Windows Version: 10.0
VERBOSE: Target Image Version 10.0.14393.2272
VERBOSE: IIS service is present on the system
VERBOSE: ASP.NET is present on the system
VERBOSE: .NET 3.5 is NOT present on the system
VERBOSE: Finished discovering IIS artifact
VERBOSE: Generating Dockerfile based on discovered artifacts in
:C:\Users\odidir\AppData\Local\Temp\226c3984-bf0a-4cc5-b410-9211fb5c8111-mount
VERBOSE: Generating result for IIS component
VERBOSE: Copying IIS configuration files
VERBOSE: Writing instruction to create site Default Web Site
VERBOSE: Processing source directory: C:\inetpub\wwwroot
VERBOSE: Copying content from source: C:\inetpub\wwwroot, to: C:\Users\odidir\DockerFileContent
VERBOSE: Writing instruction to expose port for site Default Web Site
VERBOSE: Writing instruction to create site Image2DockerSite
VERBOSE: Processing source directory: C:\Test_Image_Docker_Site
VERBOSE: Copying content from source: C:\Test_Image_Docker_Site, to: C:\Users\odidir\DockerFileContent
VERBOSE: Creating web app AppFolder/ray_app_1
VERBOSE: Processing source directory: C:\Test_Image_Docker_Site\AppFolder\ray_app_1
VERBOSE: Finished dismounting the Windows image from
C:\Users\odidir\AppData\Local\Temp\226c3984-bf0a-4cc5-b410-9211fb5c8111-mount
Generate_IIS : You cannot call a method on a null-valued expression.
At C:\Program Files\WindowsPowerShell\Modules\Image2Docker\1.8.5\Functions\Private\GenerateDockerfile.ps1:34 char:23

... ockerfile = & "Generate_$Artifact" -MountPath $MountPath -ManifestPat ...
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CategoryInfo : InvalidOperation: (:) [Generate_IIS], RuntimeException
FullyQualifiedErrorId : InvokeMethodOnNull,Generate_IIS

[adente]

The pr is still open, I edited the ps script with the fix and it works.

[bkelley-nasb]

WHich PR solved your problem? Running into this as well and could use some guidance.