I have an index where I can repro it with 100% success. Let me look into
what's causing it and create a Solr Jira
On Mon, Oct 21, 2024 at 11:11 AM Michael Sokolov <msoko...@gmail.com> wrote:
> I think this might be a better question for solr-user@? EG I don't
> understand how Solr decides which Query to send to populateScores --
> is it the same one that was used to generate the matches in topDocs?
> It seems as if it should be, but then this error shouldn't happen ...
> I wonder if you can print out the queries sent to search() and to
> populateScores()?
>
> On Thu, Oct 17, 2024 at 5:29 AM Moll, Dr. Andreas <m...@juris.de.invalid>
> wrote:
> >
> > Hi,
> >
> > we are currently testing Solr 9.7 and experiencing an error we have not
> seen before with SolR 9.6.1 and we think the problem might occur in the
> underlying lucene code basis:
> >
> > ERROR o.a.s.h.RequestHandlerBase Server exception =>
> > at
> org.apache.lucene.search.TopFieldCollector.populateScores(TopFieldCollector.java:478)
> > java.lang.IllegalArgumentException: Doc id 48567944 doesn't match the
> query
> > at
> org.apache.lucene.search.TopFieldCollector.populateScores(TopFieldCollector.java:478)
> ~[?:?]
> > at
> org.apache.solr.search.SolrIndexSearcher.populateScoresIfNeeded(SolrIndexSearcher.java:1766)
> ~[?:?]
> > at
> org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1955)
> ~[?:?]
> > at
> org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1729)
> ~[?:?]
> > at
> org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:726)
> ~[?:?]
> > at
> org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:721)
> ~[?:?]
> > at
> org.apache.solr.handler.component.QueryComponent.doProcessUngroupedSearch(QueryComponent.java:1690)
> ~[?:?]
> > at
> org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:432)
> ~[?:?]
> > at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:456)
> ~[?:?]
> > at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:226)
> ~[?:?]
> >
> > We index the embeddings as nested fields and can reproduce the error
> with the following code:
> >
> > We are able to reproduce the error using the same query. It seems to
> occur in approximately 5% of all vector queries.
> > We have one server running Solr 9.7 and three servers running Solr
> 9.6.1, all working on the same frozen index.
> > Only the Solr 9.7 server encounters the issue. We can rule out Java 21
> and the corresponding optimizations or the new multithreading parameter as
> the root cause of the problem.
> > The index contains the document referenced in the error message.
> >
> >
> > String q = "{!knn f=vector topK=20}[0.031046804...";
> > SolrQuery sq = new SolrQuery("{!cache=false}" + q);
> > sq.addField("score"); // no error without the score field
> > sq.setRows(14); // Defect document must be included in result
> > sq.setSort("ID", ORDER.asc); // Order is not important, but ID is. No
> error e.g. with score
> > final QueryRequest r = new QueryRequest(sq, METHOD.POST);
> > SolrClient solrClient = SolRConnector.createServer(server);
> > QueryResponse response = r.process(solrClient);
> >
> > Is there any additional information we can provide to help resolve this
> error?
> >
> > Best regards
> >
> > Andreas Moll
>
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