Hi Joel, I wiped my repo and started fresh with the hope of documenting my steps and producing a stacktrace for you - of course, this time innerJoin() works fine. :-) I must have gotten something sideways the first time.
Thanks for your time. I look forward to diving into this really cool feature. I really feel like this is a game changer for many people. - Ryan On Tue, May 10, 2016 at 6:54 AM, Joel Bernstein <joels...@gmail.com> wrote: > The block of code the NPE is coming from is where the collection nodes are > being gathered for the query. So this points to some issue with the cloud > setup or the query. > > Joel Bernstein > http://joelsolr.blogspot.com/ > > On Tue, May 10, 2016 at 9:52 AM, Joel Bernstein <joels...@gmail.com> > wrote: > > > Can you post the entire stack trace? I'd like to see what line the NPE is > > coming from. The line you pasted in is coming from the wrapper exception > I > > believe. > > > > Joel Bernstein > > http://joelsolr.blogspot.com/ > > > > On Tue, May 10, 2016 at 12:30 AM, Ryan Cutter <ryancut...@gmail.com> > > wrote: > > > >> Yes, the people collection has the personId and pets has ownerId, as > >> described. > >> On May 9, 2016 8:55 PM, "Joel Bernstein" <joels...@gmail.com> wrote: > >> > >> > The example is using two collections: people and pets. So these > >> collections > >> > would need to be present for the join expression to work. > >> > > >> > Joel Bernstein > >> > http://joelsolr.blogspot.com/ > >> > > >> > On Mon, May 9, 2016 at 10:43 PM, Ryan Cutter <ryancut...@gmail.com> > >> wrote: > >> > > >> > > Thanks Joel, I added the personId and ownerId fields before > ingested a > >> > > little data. I made them to be stored=true/multiValue=false/longs > >> (and > >> > > strings, later). Is additional schema required? > >> > > > >> > > On Mon, May 9, 2016 at 6:45 PM, Joel Bernstein <joels...@gmail.com> > >> > wrote: > >> > > > >> > > > Hi, > >> > > > > >> > > > The example in the cwiki would require setting up the people and > >> pets > >> > > > collections. Unless I'm mistaken this won't work with the out of > the > >> > box > >> > > > schemas. So you'll need to setup some test schemas to get started. > >> > > Although > >> > > > having out of the box streaming schemas is a great idea. > >> > > > > >> > > > Joel Bernstein > >> > > > http://joelsolr.blogspot.com/ > >> > > > > >> > > > On Mon, May 9, 2016 at 9:22 PM, Ryan Cutter <ryancut...@gmail.com > > > >> > > wrote: > >> > > > > >> > > > > Hello, I'm checking out the cool stream join operations in Solr > >> 6.0 > >> > but > >> > > > > can't seem to the example listed on the wiki to work: > >> > > > > > >> > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > https://cwiki.apache.org/confluence/display/solr/Streaming+Expressions#StreamingExpressions-innerJoin > >> > > > > > >> > > > > innerJoin( > >> > > > > search(people, q=*:*, fl="personId,name", sort="personId > asc"), > >> > > > > search(pets, q=type:cat, fl="ownerId,petName", sort="ownerId > >> asc"), > >> > > > > on="personId=ownerId" > >> > > > > ) > >> > > > > > >> > > > > ERROR - 2016-05-09 21:42:43.497; [c:pets s:shard1 r:core_node1 > >> > > > > x:pets_shard1_replica1] org.apache.solr.common.SolrException; > >> > > > > java.io.IOException: java.lang.NullPointerException > >> > > > > > >> > > > > at > >> > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > org.apache.solr.client.solrj.io.stream.CloudSolrStream.constructStreams(CloudSolrStream.java:339) > >> > > > > > >> > > > > 1. Joel Bernstein pointed me at SOLR-9058. Is this the likely > >> bug? > >> > > > > 2. What kind of field should personId and ownerId be? long, > >> string, > >> > > > > something else? > >> > > > > 3. Does someone have an example schema or dataset that show off > >> these > >> > > > > joins? If not, it's something I could work on for future souls. > >> > > > > > >> > > > > Thanks! Ryan > >> > > > > > >> > > > > >> > > > >> > > >> > > > > >
