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 >> > > > > >> > > > >> > > >> > >> > >
