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https://issues.apache.org/jira/browse/LUCENE-1681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Miller reassigned LUCENE-1681:
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Assignee: Mark Miller
> DocValues infinite loop caused by - a call to getMinValue | getMaxValue |
> getAverageValue
> -----------------------------------------------------------------------------------------
>
> Key: LUCENE-1681
> URL: https://issues.apache.org/jira/browse/LUCENE-1681
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 2.2, 2.3, 2.3.1, 2.3.2, 2.3.3, 2.4, 2.4.1, 2.4.2, 2.9,
> 3.0
> Reporter: Simon Willnauer
> Assignee: Mark Miller
> Priority: Minor
> Fix For: 2.9
>
> Attachments: DocValues.patch
>
>
> org.apache.lucene.search.function.DocValues offers 3 public (optional)
> methods to access value statistics like min, max and average values of the
> internal values. A call to one of the methods will result in an infinite
> loop. The internal counter is not incremented.
> I added a testcase, javadoc and a slightly different implementation to it. I
> guess this is not breaking any back compat. as a call to those methodes would
> have caused an infinite loop anyway.
> I changed the return value of all of those methods to Float.NaN if the
> DocValues implementation does not contain any values.
> It might be considerable to fix this in 2.4.2 and 2.3.3
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