CloseableThreadLocal should allow null Objects
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Key: LUCENE-1805
URL: https://issues.apache.org/jira/browse/LUCENE-1805
Project: Lucene - Java
Issue Type: Bug
Components: contrib/analyzers
Affects Versions: 2.4.1
Reporter: Shai Erera
Fix For: 2.9
CloseableThreadLocal does not allow null Objects in its get() method, but does
nothing to prevent them in set(Object). The comment in get() before assert v !=
null is irrelevant - the application might have passed null.
Null is an important value for Analyzers. Since tokenStreams (a ThreadLocal
private member in Analyzer) is not accessible by extending classes, the only
way for an Analyzer to reset the tokenStreams is by calling
setPreviousTokenStream(null).
I will post a patch w/ a test
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