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From Michael McCandless <>
Subject Re: IndexWriters and write locks
Date Wed, 10 Nov 2010 16:21:24 GMT
Likely you are using NativeFSLockFactory?

In which case, a leftover lock file does not mean the index is in fact
locked, since the OS will [correctly] release the lock on process


On Wed, Nov 10, 2010 at 9:38 AM, Pulkit Singhal <> wrote:
> Hello,
> 1) On Windows, I often shut down my application server (which has active
> IndexWriters open) using the ctrl+c keys.
> 2) I inspect my directories on the file system I see that the write.lock
> file is still there.
> 3) I start the app server again, and do some operations that would require
> IndexWriters to write to the same directories again and it works!
> I don't understand why I do not run into any exceptions?
> I mean there is already a lock file present which should prevent the
> IndexWriters from getting access to the directories ... no?
> I should be happy but I'm not because other folks are able to get exceptions
> when they bounce their servers an I'm unable to reproduce the problem and I
> can't help them.
> Any clues? Anyone?
> Thank You,
> - Pulkit

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