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Rating:        Based on 3 ratings
Reviewed:  3 reviews
Downloads: 2923
Change Set: fc526605aab6
Released: Jul 5, 2012
Updated: Jul 5, 2012 by leekelleher
Dev status: Stable Help Icon

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Release Notes

Release notes from v1.4.2

The 1.4.2 release resolves an issue where an "Inheritance security rules violated" exception would be thrown when using System.Reflection against the Examine assembly.

Release notes from v1.4.1

1.4.1 is a release that upgrades:
  • Lucene.Net
  • AzureDirectory

and 1.4.1 now supports medium trust!!

Fixes: 10343

Release notes from v1.4.0

A fairly mega release which borrows some behaviors from the currently under development v2.0 version, this means there are some breaking changes which are listed below, though I don't think these breaking changes will affect many.


  • Upgraded DLLs to .Net 4.0 runtime
  • Azure support
  • No more file queue, all asynchronous operations are handled by .Net 4.0's async Task scheduling system, this not only increases performance but better handles async operations.
  • Running in async mode will now offer near real time data in your index
  • Running in non-async mode will not cause index operations to fail in a multi-threaded environment (i.e. website), though still very strongly recommended to run in async for performance reasons especially when bulk inserting/updating
  • Some bugs fixed

Azure support

  • In order to support Lucene on Azure, you must have a blob storage account
  • The Lucene - Azure support is based on the Azure library for Lucene
  • To get Examine working with Azure, there's a few configuration options to adjust which you can find here: Examine with Azure

What to download?

There's a few zip files above so here's a simple guide to tell you what you'll need depending on what you're using Examine for:

I'm not using Azure

Standard Examine Binaries Umbraco Examine binaries Umbraco Examine PDF binaries
I'm not using Umbraco Download
I am using Umbraco & don't index PDF content Download
I am using Umbraco & do index PDF content Download Download

I am using Azure

Azure - Standard Examine Binaries Azure - Umbraco Examine binaries Azure - Umbraco Examine PDF binaries
I'm not using Umbraco Download
I am using Umbraco & don't index PDF content Download
I am using Umbraco & do index PDF content Download Download


  • You shouldn't really have to do anything to upgrade unless the below Breaking Changes affect you.
  • The configuration attribute for providers 'interval' can be removed as there is no more file queue (will still work if you dont remove it)

Breaking changes

  • This release will only work with .Net 4.0 +
  • The 'IndexerExecutive' object and process has been removed, if you are running a load balanced environment where each web node's file storage is stored on a centralized data store like a SAN than this may affect you. This also means the even: IndexerExecutiveAssigned has been removed.
  • A few methods/properties have been removed from the LuceneIndexer (or are now not accessible from subclasses) object: SaveDeleteIndexQueueItem, BufferAddIndexQueueItem, SaveBufferAddIndexQueueItem, SaveAddIndexQueueItem, IndexQueueItemFolder
  • Methods/properties removed from LuceneSearcher (or are now not accessible from subclasses): ValidateSearcher
  • IIndexer now requires an IndexExists() method, so if you've created your own providers and are not inheriting from LuceneIndexer, this may affect you

Reviews for this release

Once you get this thing figured out, it works great. However, the documentation sucks. For a non-programmer like me, getting this up and running has been a challenge to say the least. Anything beyond a standard search is near impossible to figure out.
by miked1961 on Aug 23, 2012 at 9:54 PM
If you want a fast, robust search solution then Examine is the way to go - I've used it in a number of projects now and the speed and extensible nature of it is unparalleled.
by PoorbandTony on Jun 28, 2012 at 8:30 AM
No issues so far...really a solid solution for sites running in Azure Web Roles using Blob storage
by psterling on Nov 28, 2011 at 10:31 PM