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From "Koji Miyamoto" <moto.k...@gmail.com>
Subject Re: extending SolrIndexSearcher
Date Thu, 11 May 2006 08:48:38 GMT
Thanks Chris, yes, that makes sense.  I'll do some more experimenting along
the lines of HitCollector in solr and from my standalone programs as well.
If I yield meaningful resolution and it would benefit the community (if
there's interest) I'll do a concept patch as you mentioned.

-koji

On 5/10/06, Chris Hostetter <hossman_lucene@fucit.org> wrote:
>
>
> : My last email msg was in response to your suggestion:
> :
> : > If it's a Lucene class, you may want to start by making a small proof
> : > of concept RMI app that just uses the Lucene core classes, once that
> : > works then try your changes in Solr.
> :
> : For which I agree is a good starting point to narrow things down.  So my
> : last msg was actual code of non-solr testing of ParallelMultiSearcher
> with
> : RMI calls.
>
> I understood that -- I'm glad to know it worked.  My point is that in
> order for people to try to help you understand/fix the problem you are
> having, they need to be able to look at the source and run it themselves.
> having the source for your bare Lucene test is great -- but without having
> either a copy of your modified SolrIndexSearcher or a patch file they can
> use to generate your version, there's no way to try and reproduce what's
> happening.
>
> We can't even speculate on the cause of the exception, because the line
> numbers in your version of SolrIndexSearcher are completely differnet
> after you made your change.
>
> I'm not promising that anyone on this list will have time to try and
> reproduce your problem -- it depends on how interested people might be in
> RMI and connecting to remote indexes -- but without the code your
> running they can't even try.
>
> Now that you've at least given us some idea what code is at line 794 where
> the exception happens, we can at least speculate, and I'm guessing you are
> right -- the problem is most likely that the anonymous HitCollector class
> isn't serializable.  What I'm not sure of is wether changing the Solr
> HitCollector will acctually solve the problem.  If i understand your
> explanation of hte code correcly, ParallelMultiSearcher has it's own
> HitCollector which wraps the HitCollector from SolrIndexSearcher ... which
> makes me wonder how your non-Solr example worked .. whouldn't the
> anonymous HitCollector in ParrallelMultiSearcher have had the same problem
> there?
>
> As I've said, i don't really know much about RMI, but perhaps you could
> try replacing the anonymous HitCollector in SolrIndexSearcher with a
> concrete subclass that implements Serializable and see if that works?
>
> If it does, then maybe you could submit a patch to Jira containing your
> changes?  In order to be reusable, we'd need some way to configure
> the remote indexes, and I'm not sure how much interest there would be from
> the rest of the community -- but a proof of concept patch would be a great
> start.
>
>
>
>
> -Hoss
>
>

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