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https://issues.apache.org/jira/browse/LUCENENET-421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041620#comment-13041620
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Fedor Taiakine commented on LUCENENET-421:
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Hi Digy, thank you for your response!
The question about the antivirus was first that came to my mind and our
client's IT guy said that there is no antivirus on the server. Normally there
is only one instance of the indexer doing incremental indexing, and we don't
use explicit unlocking. Another note: this started to happen with virtually
same setup only after we moved to much faster server from Win 2003 IIS 6, where
it never happened, to Win 2008 E2 IIS 7.
Any other ideas in respect of above info?
We will try to validate that there is nothing accessing these files in write
mode...
Regards,
Fedor
> Segment files ocasionaly disappearing making index corrupted
> ------------------------------------------------------------
>
> Key: LUCENENET-421
> URL: https://issues.apache.org/jira/browse/LUCENENET-421
> Project: Lucene.Net
> Issue Type: Bug
> Components: Lucene.Net Core
> Affects Versions: Lucene.Net 2.9.2
> Environment: Media Chase ECF50 in the MastermindToys.com online toy
> store, IIS 7 under Win 2008 R2, index on RAID 1
> Reporter: Fedor Taiakin
>
> IIS 7 under Win 2008 R2, index located on RAID 1
> The only operations Add Document and Delete Document, optimize = false.
> Ocasionally the segment files disappear, corrupting index. No other
> exceptions prior to inability to open index:
> 'C:\Projects\MMT\ECF50\main\src\PublicLayer\SearchIndex\eCommerceFramework\CatalogEntryIndexer\_b6k.cfs'."
> ---> System.IO.FileNotFoundException: Could not find file
> 'C:\Projects\MMT\ECF50\main\src\PublicLayer\SearchIndex\eCommerceFramework\CatalogEntryIndexer\_b6k.cfs'.
> File name:
> 'C:\Projects\MMT\ECF50\main\src\PublicLayer\SearchIndex\eCommerceFramework\CatalogEntryIndexer\_b6k.cfs'
> at Lucene.Net.Index.SegmentInfos.FindSegmentsFile.Run()
> at Lucene.Net.Index.IndexReader.Open(Directory directory)
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