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From "Shad Storhaug (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (LUCENENET-615) PerFieldAnalyzerWrapper.GetTokenStream throws NullReferenceException when first arg is null. It does not default.
Date Sun, 29 Dec 2019 07:57:00 GMT

     [ https://issues.apache.org/jira/browse/LUCENENET-615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shad Storhaug resolved LUCENENET-615.
-------------------------------------
    Fix Version/s: Lucene.Net 4.8.0
       Resolution: Fixed

This has now been resolved in Lucene.NET 4.8.0-beta00007

> PerFieldAnalyzerWrapper.GetTokenStream throws NullReferenceException when first arg is
null. It does not default.
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: LUCENENET-615
>                 URL: https://issues.apache.org/jira/browse/LUCENENET-615
>             Project: Lucene.Net
>          Issue Type: Bug
>          Components: Lucene.Net.Analysis.Common
>    Affects Versions: Lucene.Net 4.8.0
>            Reporter: Emil Müller
>            Priority: Major
>             Fix For: Lucene.Net 4.8.0
>
>
> var english = new EnglishAnalyzer(Lucene.Net.Util.LuceneVersion.LUCENE_48);
> var whitespace = new WhitespaceAnalyzer(Lucene.Net.Util.LuceneVersion.LUCENE_48);
> var pf = new PerFieldAnalyzerWrapper(english, new Dictionary<string, Analyzer>()
\{ { "foo", whitespace }});
> var test1 = english.GetTokenStream(null, "test"); // Does not throw
> var test2 = pf.GetTokenStream("", "test"); // works
> var test3 = pf.GetTokenStream(null, "test"); // Throws NullReferenceException
>  
> I don't think I'm doing anything wrong, but the last line crashes with the abovementioned
exception.



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