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 <[EMAIL PROTECTED]> 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
