title: ERROR Could not update index entry. Action: 'Saved'
body: <p>We've just taken over a site based in Sitecore and the log file has this occurring every 1 - 5 mins throughout the day.</p>
  
  <p>Anyone seen anything like this before and know what the cause and solution could be? The site also suffers from a slowdown issue on 1 page load occurring ever few mins which could be related. </p>
  
  <blockquote>
    <p>ManagedPoolThread #7 10:10:41 INFO  Starting update of index for the
    database 'master' (1 pending). ManagedPoolThread #7 10:10:41 ERROR
    Could not update index entry. Action: 'Saved', Item:
    '{0D80F9BA-5BBB-4A43-8B87-63E7A0F9A484}' Exception:
    System.IO.IOException Message: read past EOF Source: Lucene.Net    at
    Lucene.Net.Store.BufferedIndexInput.Refill()    at
    Lucene.Net.Store.BufferedIndexInput.ReadByte()    at
    Lucene.Net.Store.IndexInput.ReadInt()    at
    Lucene.Net.Index.SegmentInfos.Read(Directory directory, String
    segmentFileName)    at
    Lucene.Net.Index.IndexFileDeleter..ctor(Directory directory,
    IndexDeletionPolicy policy, SegmentInfos segmentInfos, TextWriter
    infoStream, DocumentsWriter docWriter)    at
    Lucene.Net.Index.DirectoryIndexReader.DoCommit()    at
    Lucene.Net.Index.IndexReader.Commit()    at
    Lucene.Net.Index.IndexReader.DecRef()    at
    Lucene.Net.Index.IndexReader.Close()    at
    Sitecore.Search.Crawlers.DatabaseCrawler.DeleteItem(Item item)    at
    Sitecore.Search.Crawlers.DatabaseCrawler.UpdateItem(Item item)    at
    Sitecore.Search.Crawlers.DatabaseCrawler.Provider_OnUpdateItem(Object
    sender, EventArgs e)    at System.EventHandler.Invoke(Object sender,
    EventArgs e)    at
    Sitecore.Data.Managers.IndexingProvider.UpdateItem(HistoryEntry entry,
    Database database)    at
    Sitecore.Data.Managers.IndexingProvider.UpdateIndex(HistoryEntry
    entry, Database database)</p>
    
    <p>ManagedPoolThread #7 10:10:41 INFO  Update of index for the database
    'master' done.</p>
  </blockquote>