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https://issues.apache.org/jira/browse/LUCENE-781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12466849
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Daniel Naber commented on LUCENE-781:
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Hoss, you're right, this breaks MultiReader, I will revert the patch. Funny
that the test cases didn't notice that. Maybe because they use such a small
amount of documents that they never need a MultiReader? The NPE happens when
one constructs the MultiReader with its only public constructor,
MultiReader(IndexReader[] subReaders). This construtor is never used in Lucene,
not even in the test cases.
> NPE in MultiReader.isCurrent() and getVersion()
> -----------------------------------------------
>
> Key: LUCENE-781
> URL: https://issues.apache.org/jira/browse/LUCENE-781
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Reporter: Daniel Naber
> Attachments: multireader.diff, multireader_test.diff
>
>
> I'm attaching a fix for the NPE in MultiReader.isCurrent() plus a testcase.
> For getVersion(), we should throw a better exception that NPE. I will commit
> unless someone objects or has a better idea.
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