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Type:
Improvement
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Component/s: core/store
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Labels:None
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Lucene Fields:New
Since 3.0.x/3.6.x (see LUCENE-5541), Lucene has substantially removed
its reliance on fileExists to the point where I think we can fully
remove it now.
Like the other iffy IO methods we've removed over time (touchFile,
fileModified, seeking back during write, ...), File.exists is
dangerous because a low level IO issue can cause it to return false
when it should have returned true. The fewer IO operations we rely on
the more reliable/portable Lucene is.