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From "Michael Henson (JIRA)" <j...@apache.org>
Subject [jira] Created: (SOLR-1005) DoubleMetaphone Filter Produces NullpointerException on zero-length token
Date Thu, 05 Feb 2009 02:49:59 GMT
DoubleMetaphone Filter Produces NullpointerException on zero-length token
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                 Key: SOLR-1005
                 URL: https://issues.apache.org/jira/browse/SOLR-1005
             Project: Solr
          Issue Type: Bug
          Components: Analysis
    Affects Versions: 1.4
         Environment: jdk 1.6.10, tomcat 6.x
            Reporter: Michael Henson


If any token given to the DoubleMetaphoneFilter is empty (Token exists, 0 length), then the
encoder will return null instead of a metaphone encoded string. The current code assumes that
there will always be a valid object returned.

Proposed solution: Make sure 0-length tokens are skipped at the top branch where the code
checks whether or not we have a Token object at all.


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