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From "Simon Willnauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (LUCENE-4629) IndexWriter fails to delete documents if Iterator<IndexDocument> throws an exception
Date Fri, 14 Dec 2012 11:28:12 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-4629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Simon Willnauer resolved LUCENE-4629.
-------------------------------------

       Resolution: Fixed
    Lucene Fields: New,Patch Available  (was: New)
    
> IndexWriter fails to delete documents if Iterator<IndexDocument> throws an exception
> ------------------------------------------------------------------------------------
>
>                 Key: LUCENE-4629
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4629
>             Project: Lucene - Core
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Simon Willnauer
>             Fix For: 4.1, 5.0
>
>         Attachments: LUCENE-4629.patch
>
>
> In DWPT we iterator over a document block and roll back documents if one of the docs
fails with a non-aborting exception. Yet, we miss to delete those document if the iterator
itself throws an exception. Given the fact that we allow an Iterable on IW we should be prepared
for RT exceptions since these documents might be created in a stream fashing rather than already
build up. IMO its a valid usecase if you have large documents to not materialize them in memory
before indexing or at least we don't require this.

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