Tag: DisplayMode

Sitecore Adaptive Images – Huge Crawling Logs Problem

Some time ago I have noticed that on our production environment the Crawling Log files were abnormally big – between 500 MB and 1 GB. After some digging was found out that they were just filling up with exceptions while crawling the media library. The exceptions look like this:

WARN Could not compute value for ComputedIndexField: urllink for indexable: sitecore://master/{8EA15044-EE2C-41DB-81D6-0A9C42062814}?lang=en&ver=1
Exception: System.NullReferenceException
Message: Object reference not set to an instance of an object.
Source: Sitecore.Kernel
at Sitecore.Context.PageMode.get_IsNormal()
at adaptiveImages.AdaptiveImagesMediaProvider.GetMediaUrl(MediaItem item)
at Sitecore.ContentSearch.ComputedFields.UrlLink.ComputeFieldValue(IIndexable indexable)
at Sitecore.ContentSearch.LuceneProvider.LuceneDocumentBuilder.AddComputedIndexFields()

Considering the case that there are a tons of media (over 2000 items) and languages (there is a separate exception for each language) we had some pretty serious index time performance issues and hard disk space problems.

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