After upgrading to Sitecore 7.2 I ran into this exception in the crawling log when trying to index PDF documents:
Unable to create document builder (). Please check your configuration. We will fallback to the default for now.
The solution was to add the document builder type to my custom index configuration:
<documentBuilderType>Sitecore.ContentSearch.LuceneProvider.LuceneDocumentBuilder, Sitecore.ContentSearch.LuceneProvider</documentBuilderType>
After that, reading PDF content through my iFilter provider worked fine again.
3 responses to “Unable to create document builder – crawling exception after upgrading to SC 7.2”
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[…] Happily this post pointed me in the right direction but my solution was slightly different I needed to add line below to theApp_ConfigIncludeSitecore.ContentSearch.Lucene.DefaultIndexConfiguration.config must have been missed out in a previous upgrade. […]