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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (LUCENE-1249) Bugs in org.apache.lucene.index.TermVectorsReader.clone()
Date Tue, 19 Aug 2008 10:43:44 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael McCandless reassigned LUCENE-1249:
------------------------------------------

    Assignee: Michael McCandless

> Bugs in org.apache.lucene.index.TermVectorsReader.clone()
> ---------------------------------------------------------
>
>                 Key: LUCENE-1249
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1249
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.3.1
>            Reporter: David Dillard
>            Assignee: Michael McCandless
>            Priority: Minor
>             Fix For: 2.4
>
>
> A couple of things:
> - The implementation can return null which is not allowed.  It should throw a CloneNotSupportedException
if that's the case.
> - Part of the code reads:
>     TermVectorsReader clone = null;
>     try {
>       clone = (TermVectorsReader) super.clone();
>     } catch (CloneNotSupportedException e) {}
>     clone.tvx = (IndexInput) tvx.clone();
> If a CloneNotSupportedException is caught then "clone" will be null and the assignment
to clone.tvx will fail with a null pointer exception.

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