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From "David Smiley (JIRA)" <>
Subject [jira] [Created] (SOLR-3424) PhoneticFilterFactory threadsafety bug
Date Mon, 30 Apr 2012 06:26:49 GMT
David Smiley created SOLR-3424:

             Summary: PhoneticFilterFactory threadsafety bug
                 Key: SOLR-3424
             Project: Solr
          Issue Type: Bug
          Components: Schema and Analysis
    Affects Versions: 3.6, 4.0
            Reporter: David Smiley
            Assignee: David Smiley
            Priority: Minor
             Fix For: 4.0

PhoneticFilterFactory has a static HashMap registry mapping an encoder name to an implementation.
There is a ReentrantLock used when the map is modified (when the encoder config specifies
a class name).  However, this map, which can be accessed by multiple indexing threads, isn't
guarded on any of the reads, which isn't just the common path but also the error messages
which dump the registry into the error message.

I realize the likelihood of a problem is extremely slim, but a bug's a bug.

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