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From "Doug Sale (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (LUCENENET-138) IndexReader.IndexExists() always returns false
Date Wed, 23 Jul 2008 15:25:31 GMT

     [ https://issues.apache.org/jira/browse/LUCENENET-138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Doug Sale resolved LUCENENET-138.
---------------------------------

    Resolution: Fixed

In the code below (from IndexReader.cs), when the passed-in array of files contains path information,
the test matching the start of the filename fails.

                public static long GetCurrentSegmentGeneration(System.String[] files)
		{
			if (files == null)
			{
				return - 1;
			}
			long max = - 1;
			for (int i = 0; i < files.Length; i++)
			{
				System.String file = files[i];
				if (file.StartsWith(IndexFileNames.SEGMENTS) && !file.Equals(IndexFileNames.SEGMENTS_GEN))
				{
					long gen = GenerationFromSegmentsFileName(file);
					if (gen > max)
					{
						max = gen;
					}
				}
			}
			return max;
		}

The fix is to change the following line:
				System.String file = files[i];
to:
				System.String file = System.IO.Path.GetFileName(files[i]);


> IndexReader.IndexExists() always returns false
> ----------------------------------------------
>
>                 Key: LUCENENET-138
>                 URL: https://issues.apache.org/jira/browse/LUCENENET-138
>             Project: Lucene.Net
>          Issue Type: Bug
>            Reporter: Doug Sale
>         Attachments: SegmentInfos.patch
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>


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