Wojtek212 wrote:
Hi Mike,
I'm sharing one instance of IndexManager across all threads and as
I've
noticed only this one is used during indexing.
OK, maybe triple check this -- because that's the only way in your
code I can see 2 IWs being live at once.
I'm unlocking before every indexing operation to make sure it would be
possible.
This is what makes me nervous (and why I suggest you print every time
IndexReader.isLocked returns true, to be 100% sure it's not being
called).
You should only very very rarely (after a JVM crash, or, if the JVM
exits but you didn't close your IndexWriter) actually need to use
IndexReader.unLock, and if you call it when you shouldn't (because
another IW is in fact still "live"), disaster ensues.
When IndexWriter is closed I assume it releases the lock and
finishes its
work.
Does IndexWriter executes some threads and doesn't wait when they are
finished?
It's the only one situation I can imagine that there 2 IndexWriters...
Before close() returns it finishes all threads and releases the lock.
Mike
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