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Null exception thrown when using ListContentOfContentType

Found in

EPiServer.Commerce 13.22.0

Fixed in

EPiServer.Commerce 13.30.0

(Or a related package)

Created

Jan 18, 2021

Updated

Mar 09, 2021

State

Closed, Fixed and tested

Description

This is a fix for an issue where null exception thrown when using ListContentOfContentType. 

Steps to reproduce:

  1. Install sample site (QuickSilver).
  2. Remove "FreeTextBlock" from the project and rebuild project
  3. Use code to list all content of type "FreeTextBlock".
var contentTypeRepository = ServiceLocator.Current.GetInstance<IContentTypeRepository>();
var contentModelUsage = ServiceLocator.Current.GetInstance<IContentModelUsage>();

var pageType = contentTypeRepository.Load("FreeTextBlock");
if (pageType != null)
{
   var contentUsages = contentModelUsage.ListContentOfContentType(pageType); // I get crash here
}

Expected: run successfully.

Actual: throw null exception.