I would consider this a bug. Collapse has never really been tested with export. But this would certainly speed up the unique Streaming Expression.
Joel Bernstein http://joelsolr.blogspot.com/ On Fri, Mar 24, 2017 at 7:46 AM, David Svånå <david.sv...@gmail.com> wrote: > Hello, > > Summary: when using export handler with a collapse query, and only one > result is returned because of the collapse, a null exception is thrown. > > Did I find a bug? > > running this query > > http://localhost:8983/solr/test7/export?q=*:*&sort=ii% > 20asc&fl=ii&fq=rid:d575d814-ef42-4b2b-8a58-7e7e6d146896 > > works fine and returns this > > {"responseHeader":{"status":0},"response":{"numFound":1," > docs":[{"ii":"00003bab-f165-4ad0-97f0-ca1d5b6361fb"}]}} > > Using stream handler with qt=/export also works: > > http://localhost:8983/solr/test7/stream?expr=search( > test7,q=*:*,fl=ii,fq=rid:ff6462fb-f831-4887-b622- > cdc125ad04f2,sort=ii%20asc,qt=/export) > > returns this > > {"result-set":{"docs":[{"ii":"cb3b906c-a4a7-4e72-bedb- > 3db2a26f67af"},{"EOF":true,"RESPONSE_TIME":8}]}} > > However, adding a collapse fq on the ii field: > > http://localhost:8983/solr/test7/export?q=*:*&sort=ii% > 20asc&fl=ii&fq={!collapse%20field=ii}&fq=rid:d575d814- > ef42-4b2b-8a58-7e7e6d146896 > <http://localhost:8983/solr/test7/export?q=*:*&sort=ii%20asc&fl=ii&fq=%7B!collapse%20field=ii%7D&fq=rid:d575d814-ef42-4b2b-8a58-7e7e6d146896> > > is causing an invalid response in chrome > > "This site can’t be reached > The webpage at http://localhost:8983/solr/test7/export?q=*:*&sort=ii% > 20asc&fl=ii,rid&fq={!collapse%20field=ii}&fq=rid:d575d814- > ef42-4b2b-8a58-7e7e6d146896 > <http://localhost:8983/solr/test7/export?q=*:*&sort=ii%20asc&fl=ii,rid&fq=%7B!collapse%20field=ii%7D&fq=rid:d575d814-ef42-4b2b-8a58-7e7e6d146896> > might be temporarily down or it may have moved permanently to a new web > address. > ERR_INVALID_RESPONSE" > > I have attached the actual exception as seen in the log as a txt file. > > Using stream handler also has an exception, which is slightly different > and included in the result set: > > http://localhost:8983/solr/test7/stream?expr=search( > test7,q=*:*,fl=ii,fq={!collapse%20field=ii},fq=rid: > ff6462fb-f831-4887-b622-cdc125ad04f2,sort=ii%20asc,qt=/export) > <http://localhost:8983/solr/test7/stream?expr=search(test7,q=*:*,fl=ii,fq=%7B!collapse%20field=ii%7D,fq=rid:ff6462fb-f831-4887-b622-cdc125ad04f2,sort=ii%20asc,qt=/export)> > > response: > > {"result-set":{"docs":[{"EXCEPTION":"java.util.concurrent.ExecutionException: > java.io.IOException: --> http://127.0.1.1:8983/solr/test7_shard1_replica1/: > An exception has occurred on the server, refer to server log for > details.","EOF":true,"RESPONSE_TIME":12}]}} > > I have also attached the exception from log for this (actually in this > case there is at the same moment a null exception and an ExceptionStream... > both attached) > > I also tested a query that returns multiple identical results, and they > also fail in the same way when collapsing on that field. > > Also the solr schema is attached. > > >
