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From "Uwe Schindler (JIRA)" <>
Subject [jira] Commented: (LUCENE-1401) Deprecation of autoCommit in 2.4 leads to compile problems, when autoCommit should be false
Date Wed, 24 Sep 2008 14:32:44 GMT


Uwe Schindler commented on LUCENE-1401:

Thanks for the info, it did not know this!

> Deprecation of autoCommit in 2.4 leads to compile problems, when autoCommit should be
> -------------------------------------------------------------------------------------------
>                 Key: LUCENE-1401
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.4, 2.9
>            Reporter: Uwe Schindler
>            Assignee: Michael McCandless
>            Priority: Trivial
>             Fix For: 2.4, 2.9
>         Attachments: LUCENE-1401.patch
> I am currently changing my code to be most compatible with 2.4. I switched on deprecation
warnings and got a warning about the autoCommit parameter in IndexWriter constructors.
> My code *should* use autoCommit=false, so I want to use the new semantics. The default
of IndexWriter is still autoCommit=true. My problem now: How to disable autoCommit whithout
deprecation warnings?
> Maybe, the "old" constructors, that are deprecated should use autoCommit=true. But there
are new constructors with this "IndexWriter.MaxFieldLength mfl" in it, that appear new in
2.4 but are deprecated:
> IndexWriter(Directory d, boolean autoCommit, Analyzer a, boolean create, IndexDeletionPolicy
deletionPolicy, IndexWriter.MaxFieldLength mfl) 
>           Deprecated. This will be removed in 3.0, when autoCommit will be hardwired
to false. Use IndexWriter(Directory,Analyzer,boolean,IndexDeletionPolicy,MaxFieldLength) instead,
and call commit() when needed.
> What the hell is meant by this, a new constructor that is deprecated? And the hint is
wrong. If I use the other constructor in the warning, I get autoCommit=true.
> There is something completely wrong.
> It should be clear, which constructors set autoCommit=true, which set it per default
to false (perhaps new ones), and the Deprecated text is wrong, if autoCommit does not default
to false.

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