Here is the ticket: https://issues.apache.org/jira/browse/SOLR-14231
Joel Bernstein http://joelsolr.blogspot.com/ On Wed, Jan 29, 2020 at 10:03 AM Joel Bernstein <joels...@gmail.com> wrote: > Hi Pratik, > > I'll create the ticket now and report back. If you've got a fix please > post it to the ticket and I'll try to get this in for the next release. > > Joel Bernstein > http://joelsolr.blogspot.com/ > > > On Tue, Jan 28, 2020 at 11:52 AM pratik@semandex <pra...@semandex.net> > wrote: > >> Joel Bernstein wrote >> > Ok, that sounds like a bug. I can create a ticket for this. >> > >> > On Mon, Jul 1, 2019 at 5:57 PM Pratik Patel < >> >> > pratik@ >> >> > > wrote: >> > >> >> I think the problem was that my streaming expression was always >> returning >> >> just one node. When I added more data so that I can have more than one >> >> node, I started seeing the result. >> >> >> >> On Mon, Jul 1, 2019 at 11:21 AM Pratik Patel < >> >> > pratik@ >> >> > > wrote: >> >> >> >>> Hello Everyone, >> >>> >> >>> I am trying to execute following streaming expression with >> "scoreNodes" >> >>> function in it. This is taken from the documentation. >> >>> >> >>> scoreNodes(top(n="50", >> >>> sort="count(*) desc", >> >>> nodes(baskets, >> >>> random(baskets, q="productID:ABC", >> >>> fl="basketID", rows="500"), >> >>> walk="basketID->basketID", >> >>> fq="-productID:ABC", >> >>> gather="productID", >> >>> count(*)))) >> >>> >> >>> I have ensured that I have the collection and data present for it. >> >>> Upon executing this, I am getting an error message as follows. >> >>> >> >>> "No collection param specified on request and no default collection >> has >> >>> been set: []" >> >>> >> >>> Upon digging into the source code I found that there is a possible bug >> >>> in >> >>> ScoreNodesStream.java >> >>> >> >>> StringBuilder instance is never appended any string and the block >> which >> >>> initializes collection, needs the length of that instance to be more >> >>> than >> >>> zero. This condition will always be false and hence the collection >> will >> >>> never be set. >> >>> >> >>> I checked this file in solr version 8.1 and that also has the same >> >>> issue. >> >>> Is there any JIRA open for this or any patch available? >> >>> >> >>> [image: image.png] >> >>> >> >>> Thanks, >> >>> Pratik >> >>> >> >> >> >> >> Hi Joel, >> >> You mentioned creating a ticket for this bug, I can't find any, was it >> created? If not then I can create one. Currently, ScoreNodes has two >> issues. >> >> 1. It fails when result has only one node. >> 2. It triggers a GET request instead of POST. GET fails if number of nodes >> is large. >> >> I have been using a custom class as workaround for #2, it would be good to >> use the original SolrJ class. >> >> Thanks, >> Pratik >> >> >> >> -- >> Sent from: https://lucene.472066.n3.nabble.com/Solr-User-f472068.html >> >
