Sure with 1 shard 1 replica this request works fine
1. Request URL: http://localhost:8983/solr/images/image?q=id:1 2. Request Method: GET 3. Status Code: 200 OK logs are clean with 2 shards 2 replicas the same request fails and in the logs INFO - 2018-04-17 13:20:32.052; [c:images s:shard2 r:core_node7 x:images_shard2_replica_n4] org.apache.solr.core.SolrCore; [images_shard2_replica_n4] webapp=/solr path=/image params={df=text&distrib=false&qt=/image&fl=id&fl=score&shards.purpose=4&start=0&fsv=true&shard.url= http://10.224.30.207:8983/solr/images_shard2_replica_n4/|http://10.224.30.207:7574/solr/images_shard2_replica_n6/&rows=10&version=2&q=id:1&NOW=1523971232039&isShard=true&wt=javabin} hits=0 status=0 QTime=0 ERROR - 2018-04-17 13:20:32.055; [c:images s:shard1 r:core_node3 x:images_shard1_replica_n1] org.apache.solr.common.SolrException; org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://10.224.30.207:8983/solr/images_shard2_replica_n4: Expected mime type application/octet-stream but got application/json. at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:607) at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255) at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244) at org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:483) at org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:413) at org.apache.solr.handler.component.HttpShardHandlerFactory.makeLoadBalancedRequest(HttpShardHandlerFactory.java:273) at org.apache.solr.handler.component.HttpShardHandler.lambda$submit$0(HttpShardHandler.java:175) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176) at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) INFO - 2018-04-17 13:20:32.056; [c:images s:shard1 r:core_node3 x:images_shard1_replica_n1] org.apache.solr.core.SolrCore; [images_shard1_replica_n1] webapp=/solr path=/image params={q=id:1} status=200 QTime=17 INFO - 2018-04-17 13:20:32.055; [c:images s:shard1 r:core_node3 x:images_shard1_replica_n1] org.apache.solr.core.SolrCore; [images_shard1_replica_n1] webapp=/solr path=/image params={df=text&distrib=false&qt=/image&fl=id&fl=score&shards.purpose=4&start=0&fsv=true&shard.url= http://10.224.30.207:8983/solr/images_shard1_replica_n1/|http://10.224.30.207:7574/solr/images_shard1_replica_n2/&rows=10&version=2&q=id:1&NOW=1523971232039&isShard=true&wt=javabin} hits=1 status=0 QTime=2 I've implemented getcontenttype simply as @Override public String getContentType(SolrQueryRequest request, SolrQueryResponse response) { return "application/json;charset=utf-8"; } On 16 April 2018 at 17:37, Mikhail Khludnev <m...@apache.org> wrote: > Lee, > It's worth to send a stacktrace for such kind of inquiries. > I guess it goes from QueryComponent.mergeIds() or so. Shard response should > contains <uniqueKey> from schema.xml field. > I encounter something like this while troubleshooting > https://lucene.apache.org/solr/guide/6_6/transforming- > result-documents.html#TransformingResultDocuments- > CoresandCollectionsinSolrCloud > > > On Mon, Apr 16, 2018 at 6:56 PM, Lee Carroll <lee.a.carr...@googlemail.com > > > wrote: > > > I've created a custom response writer which extends RawResponseWriter. > The > > basic operation is to output a single field value from the top matching > doc > > as the entire response. This works when shards = 1 but fails when shards > > are greater than 1. > > > > I throw an error if the field in question is missing from the top doc. > This > > happens when individual shards are being searched and only id and score > are > > returned. I'm sure I've committed a basic error. > > > > Lee C > > > > > > -- > Sincerely yours > Mikhail Khludnev >
