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From "Uwe Schindler (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3816) FilteredDocIdSet does not handle a case where the inner set iterator is null
Date Wed, 22 Feb 2012 13:13:48 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13213592#comment-13213592
] 

Uwe Schindler commented on LUCENE-3816:
---------------------------------------

Tha nks for reporting this, I will check and commit trunk and 3.x branch!
                
> FilteredDocIdSet does not handle a case where the inner set iterator is null
> ----------------------------------------------------------------------------
>
>                 Key: LUCENE-3816
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3816
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: core/search
>    Affects Versions: 3.5
>            Reporter: Shay Banon
>            Assignee: Uwe Schindler
>         Attachments: LUCENE-3816.patch
>
>
> DocIdSet#iterator is allowed to return null, when used in FilteredDocIdSet, if null is
returned from the inner set, the FilteredDocIdSetIterator fails since it does not allow for
nulls to be passed to it.
> The fix is simple, return null in FilteredDocIdSet in the iterator method is the iterator
is null.

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