FSDirectory doesn't detect double-close nor usage after close
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Key: LUCENE-1331
URL: https://issues.apache.org/jira/browse/LUCENE-1331
Project: Lucene - Java
Issue Type: Bug
Components: Store
Affects Versions: 2.3.1, 2.3, 2.2, 2.1, 2.0.0, 1.9
Reporter: Michael McCandless
Assignee: Michael McCandless
Priority: Minor
Fix For: 2.4
FSDirectory.close implements logic to ensure only a single instance of
FSDirectory per canonical directory exists. This means code that synchronizes
on the FSDirectory instance is also synchronized against that canonical
directory. I think only IndexModifier (now deprecated) actually makes use of
this, but I'm not certain.
But, the close() method doesn't detect double close, and doesn't catch usage
after being closed, and so one can easily get two instances of FSDirectory for
the same canonical directory.
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