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From "Martijn van Groningen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-3377) TermOrdsIterator#lookup throws ArrayIndexOutOfBoundsException
Date Tue, 16 Aug 2011 17:55:27 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martijn van Groningen updated LUCENE-3377:
------------------------------------------

          Description: 
TermOrdsIterator's lookup method can throw an ArrayIndexOutOfBoundsException if reuse argument
is reused acros segments. 

Example collector:
{code}
private DocTermOrds.TermOrdsIterator reuse = null;

public void collect(int doc) throws IOException {
    ...
    reuse = docTermOrds.lookup(doc, reuse);
    ...
}

public void setNextReader(IndexReader.AtomicReaderContext context) throws IOException {
    docTermOrds = FieldCache.DEFAULT.getDocTermOrds(context.reader, field);
    ....
}
{code}
If reuse argument is always null exception doesn't occur. 

  was:TermOrdsIterator's lookup method thows ArrayIndexOutOfBoundsException if reuse argument
is reused acros segments. 

    Affects Version/s: 4.0

> TermOrdsIterator#lookup throws ArrayIndexOutOfBoundsException
> -------------------------------------------------------------
>
>                 Key: LUCENE-3377
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3377
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Martijn van Groningen
>            Priority: Minor
>
> TermOrdsIterator's lookup method can throw an ArrayIndexOutOfBoundsException if reuse
argument is reused acros segments. 
> Example collector:
> {code}
> private DocTermOrds.TermOrdsIterator reuse = null;
> public void collect(int doc) throws IOException {
>     ...
>     reuse = docTermOrds.lookup(doc, reuse);
>     ...
> }
> public void setNextReader(IndexReader.AtomicReaderContext context) throws IOException
{
>     docTermOrds = FieldCache.DEFAULT.getDocTermOrds(context.reader, field);
>     ....
> }
> {code}
> If reuse argument is always null exception doesn't occur. 

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