Multiple IndexWriter question

[Brian Coverstone <br...@mainsequence.net>]

I am a Lucene newbie, so I apologize beforehand if I am asking anything
silly, or that has been covered before.
 
I am currently debugging a project using Lucene.  The problem that is
happening is searches stop responding when an IndexWriter is writing to the
index.  In going through the code, I am seeing where two or more IndexWriter
objects can be opened to the same index.  However, only one IndexWriter is
used.  Even though other IndexWriter objects are created but not used, would
their mere presence cause a problem?
 
My other suspicion is the index has become corrupted because we have other
indexes that are working just fine.  Though I've run a check and repair and
it seems to be clean.
 
Any advice would be appreciated!
 
Regards,
Brian Coverstone

Re: Multiple IndexWriter question

[Ian Lea <ia...@gmail.com>]

If you've got multiple IndexWriters on one index open at the same time
then you must be messing with lucene's locking and all bets are off.

>From the javadocs for IndexWriter:

Opening an IndexWriter creates a lock file for the directory in use.
Trying to open another IndexWriter on the same directory will lead to
a LockObtainFailedException.


--
Ian.

On Fri, Mar 4, 2011 at 8:56 PM, Brian Coverstone <br...@mainsequence.net> wrote:
> I am a Lucene newbie, so I apologize beforehand if I am asking anything
> silly, or that has been covered before.
>
> I am currently debugging a project using Lucene.  The problem that is
> happening is searches stop responding when an IndexWriter is writing to the
> index.  In going through the code, I am seeing where two or more IndexWriter
> objects can be opened to the same index.  However, only one IndexWriter is
> used.  Even though other IndexWriter objects are created but not used, would
> their mere presence cause a problem?
>
> My other suspicion is the index has become corrupted because we have other
> indexes that are working just fine.  Though I've run a check and repair and
> it seems to be clean.
>
> Any advice would be appreciated!
>
> Regards,
> Brian Coverstone
>

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