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From "Paul Elschot (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1432) BitSet cannot be cast to DocIdSet
Date Fri, 21 Nov 2008 21:43:44 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649807#action_12649807
] 

Paul Elschot commented on LUCENE-1432:
--------------------------------------

{quote}Though shouldn't we add the docIdSetToCache method?{quote}
Yep, likely conflict ahead here at the next svn up. Never mind, I'll leave the docIdSetToCache
method in for LUCENE-1296 .


> BitSet cannot be cast to DocIdSet
> ---------------------------------
>
>                 Key: LUCENE-1432
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1432
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Search
>    Affects Versions: 2.4
>            Reporter: Wouter Heijke
>            Assignee: Michael McCandless
>         Attachments: LUCENE-1432.patch
>
>
> We recently upgraded from Lucene 2.3.1 to 2.4.0.
> We left the code as-is apart from the needed changes to the package name for snowball,
everything seems to run as before... Until yesterday when we started noticing the following
stacktrace:
> java.lang.ClassCastException: java.util.BitSet cannot be cast to org.apache.lucene.search.DocIdSet
>         org.apache.lucene.search.CachingWrapperFilter.getDocIdSet(CachingWrapperFilter.java:76)
>         org.apache.lucene.misc.ChainedFilter.getDocIdSet(ChainedFilter.java:200)
>         org.apache.lucene.misc.ChainedFilter.getDocIdSet(ChainedFilter.java:145)
>         org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:140)
>         org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:112)
>         org.apache.lucene.search.Searcher.search(Searcher.java:136)
> Our index is 15gb in size and was made with Lucene 2.4.0.
> The index holds around 36 million (Lucene) documents and 268 million terms.

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