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From "Michael McCandless" <>
Subject Re: How to delete old index
Date Mon, 26 Nov 2007 01:00:34 GMT

"Cool Coder" <> wrote:
>   Yes. Because I cannot close IndexReader in the live system. And also I
>   am running on Windows server. 
>   At the end of index writing, I close writer and also reopen reader

OK, I'm glad we have it explained!

>   writer.close()
>   reader.close();
>   reader =;
>   searcher = new IndexSearcher(reader);
>   Still I can see old files. Is there still a way to delete old index
>   files.

Just insert this:

  new IndexWriter(luceneDirectory, analyzer).close();

after you've reopened your reader above.  That should prune all deletable files from the index.


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