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From "Wouter Heijke (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1432) BitSet cannot be cast to DocIdSet
Date Thu, 30 Oct 2008 11:41:44 GMT
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


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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