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From "Uwe Schindler (JIRA)" <>
Subject [jira] Created: (LUCENE-1401) Deprecation of autoCommit in 2.4 leads to compile problems, when autoCommit should be false
Date Tue, 23 Sep 2008 09:08:47 GMT
Deprecation of autoCommit in 2.4 leads to compile problems, when autoCommit should be false

                 Key: LUCENE-1401
             Project: Lucene - Java
          Issue Type: Bug
          Components: Index
    Affects Versions: 2.4
            Reporter: Uwe Schindler
            Priority: Trivial

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

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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