[ 
http://issues.apache.org/jira/browse/LUCENE-632?page=comments#action_12432518 ] 
            
Karsten Dello commented on LUCENE-632:
--------------------------------------

Sorry for not responding for such a long time, I have been out of the office.

Otis:
The current SVN version (as of today)  works fine for me, though the spellIndex 
has to be created manually before using the SpellChecker constructor. As Karl 
pointed out a simple 
new IndexWriter(d2, null, true).close();
does the job.

Miles:
I think you are right, had the same problem. I worked around that problem by 
calling exist("foo") before indexDictionary , but that is not a bugfix  (which 
is, as you said, that the method should check if reader is null)


> The creation of a spell index from a LuceneDictionary via 
> SpellChecker.indexDictionary (Dictionary dict) fails starting with 1.9.1 (up 
> to current svn version)
> --------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-632
>                 URL: http://issues.apache.org/jira/browse/LUCENE-632
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Other
>    Affects Versions: 2.0.0, 1.9
>            Reporter: Karsten Dello
>            Priority: Minor
>         Attachments: lazy_searcher.diff
>
>
> Two different errors in 1.9.1/2.0.0 and current svn version.
> 1.9.1/2.0.0:
> at the end of indexDictionary (Dictionary dict) 
> the IndexReader-instance reader is closed.
> This causes a NullpointerException because reader has not been initialized 
> before (neither in that method nor in the constructor).
> Uncommenting this line (reader.close()) seems to resolve that issue.
> current svn:
> the constructor tries to create an IndexSearcher-instance for the specified 
> path;
> as there is no index in that path - it is not created yet -  an exception is 
> thrown.

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