[ 
https://issues.apache.org/jira/browse/SOLR-11961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16877284#comment-16877284
 ] 

Elaine Cario commented on SOLR-11961:
-------------------------------------

FWIW, I am also getting the same error in our systems (Solr 6.4.2).  A more 
informative stack trace:

{code:java}
ERROR - 2019-07-01 16:07:53.771; org.apache.solr.common.SolrException; 
java.lang.ClassCastException: java.lang.Double cannot be cast to 
org.apache.lucene.util.BytesRef
at org.apache.solr.schema.FieldType.marshalStringSortValue(FieldType.java:1056)
at org.apache.solr.schema.StrField.marshalSortValue(StrField.java:104)
at 
org.apache.solr.search.grouping.distributed.shardresultserializer.SearchGroupsResultTransformer.serializeSearchGroup(SearchGroupsResultTransformer.java:121)
at 
org.apache.solr.search.grouping.distributed.shardresultserializer.SearchGroupsResultTransformer.transform(SearchGroupsResultTransformer.java:60)
at 
org.apache.solr.search.grouping.distributed.shardresultserializer.SearchGroupsResultTransformer.transform(SearchGroupsResultTransformer.java:36)
at 
org.apache.solr.search.grouping.CommandHandler.processResult(CommandHandler.java:205)
at 
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:410)
at 
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:295)
at 
com.wolterskluwer.atlas.solr.requesthandlers.WKRequestHandler.handleRequestBody(WKRequestHandler.java:84)
at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:166)
at 
com.wolterskluwer.gpo.search.solr.handler.RequestContextHandler.handleRequest(RequestContextHandler.java:19)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:2299)
at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:658)
at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:464)
at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:345)
at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:296)
at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1691)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
at org.eclipse.jetty.server.Server.handle(Server.java:534)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
at 
org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
at java.lang.Thread.run(Thread.java:748)
{code}

In all cases, we found the failing queries contained the following combination 
of features:
* grouping
* sort using a function query (which seems to be the root cause of the 
exception)
* distribution

Any one of the following changes will allow the query to execute successfully:
* set group=false
* remove the function query from the sort
* execute the query against only a single shard (distrib=false)

Example params:

{code}
&hl=false
&q=(2016 OR wkaka:(q2w4r5tburgerlijkwetboekboek20artikel16)^1000)
&prefres=if(termfreq(wkaka,q2w4r5tburgerlijkwetboekboek20artikel16),1,0)
&sort=$prefres desc, score desc, wkdocid desc
&group.sort=wksortdate desc, wkdocid asc
&group.field=wkxpresscluster
&group=true
&group.limit=3
&group.offset=0
&json.facet={"wkxpresscluster":"unique(wkxpresscluster)"}
&start=0
&rows=50
&qt=/search
&hl.q=(2016)
&fl=wkdocid,score
{code}

I am continuing the investigation on my side for any workarounds, will post 
here if I have anything to add.


> group.query and sort with function getting error in solrcloud
> -------------------------------------------------------------
>
>                 Key: SOLR-11961
>                 URL: https://issues.apache.org/jira/browse/SOLR-11961
>             Project: Solr
>          Issue Type: Bug
>          Components: search, SolrCloud
>    Affects Versions: 6.4, 6.4.2
>            Reporter: adeppa
>            Priority: Major
>         Attachments: Screen Shot 2018-02-13 at 11.41.45 AM.png
>
>
> while querying combination of group.query and sort function is not working 
>  getting below error 
>  
> Environment : 
>  Solr 6.4.2 and solr cloud mode with two shards and replication factor 2 
>  AWS  with ubuntu 
> query :/solr/qa/select?fq=((level:*.RL AND 
>  im_field_destination_category:7845 AND im_field_geography:6937 AND 
>  im_field_legacy_category:(7875 OR 12949 OR 7902 OR 12954) AND 
>  im_field_report_research_type:7854) OR (im_field_destination_category:7845 
>  AND im_field_geography:6937 AND im_field_legacy_category:(7875 OR 12949 OR 
>  7902 OR 12954) AND im_field_report_research_type:7855 AND 
>  ${sku}))&group.query= im_field_deliverable_type:(12941)&group.query= 
>  
> im_field_deliverable_type:(12941)&group=true&indent=on&q=*:*&sku=sm_field_sku:(manpq7416
>  
>  OR TTPMUS0005A OR TTPXSI1015US OR TTPMUS0004B OR 
>  TTPDPRUS0215)&sort=product(if(exists(query(\{!v="${sku}"})),1,0),2) 
>  desc&wt=json 
> if run same query in sudo node will working ,please help me on this 
> Error: 
> { 
>    "responseHeader":{ 
>      "zkConnected":true, 
>      "status":500, 
>      "QTime":8, 
>      "params":{ 
>        "q":"*:*", 
>        "indent":"on", 
>        "fq":"((level:*.RL AND im_field_destination_category:7845 AND 
>  im_field_geography:6937 AND im_field_legacy_category:(7875 OR 12949 OR 7902 
>  OR 12954) AND im_field_report_research_type:7854) OR 
>  (im_field_destination_category:7845 AND im_field_geography:6937 AND 
>  im_field_legacy_category:(7875 OR 12949 OR 7902 OR 12954) AND 
>  im_field_report_research_type:7855 AND ${sku}))", 
>        "sort":"product(if(exists(query(\{!v=\"${sku}\"})),1,0),2) desc", 
>        "group.query":[" im_field_deliverable_type:(12941)", 
>          " im_field_deliverable_type:(12941)"], 
>        "sku":"sm_field_sku:(manpq7416 OR TTPMUS0005A OR TTPXSI1015US OR 
>  TTPMUS0004B OR TTPDPRUS0215)", 
>        "wt":"json", 
>        "_":"1518098081571", 
>        "group":"true"}}, 
>    "error":{ 
>      "metadata":[ 
>        "error-class","org.apache.solr.common.SolrException", 
>        
>  
> "root-error-class","org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException"],
>  
>      "msg":"org.apache.solr.client.solrj.SolrServerException: No live 
>  SolrServers available to handle this 
>  request:[[http://172.22.0.231:8983/solr/qa_shard1_replica2], 
>  [http://172.22.0.231:8983/solr/qa_shard2_replica2], 
>  [http://172.22.1.249:8983/solr/qa_shard1_replica3]]", 
>      "trace":"org.apache.solr.common.SolrException: 
>  org.apache.solr.client.solrj.SolrServerException: No live SolrServers 
>  available to handle this 
>  request:[[http://172.22.0.231:8983/solr/qa_shard1_replica2], 
>  [http://172.22.0.231:8983/solr/qa_shard2_replica2], 
>  [http://172.22.1.249:8983/solr/qa_shard1_replica3]]\n\tat 
>  
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:415)\n\tat
>  
>  
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:166)\n\tat
>  
>  org.apache.solr.core.SolrCore.execute(SolrCore.java:2299)\n\tat 
>  org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:658)\n\tat 
>  org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:464)\n\tat 
>  
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:345)\n\tat
>  
>  
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:296)\n\tat
>  
>  
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1691)\n\tat
>  
>  
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)\n\tat
>  
>  
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\n\tat
>  
>  
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)\n\tat
>  
>  
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)\n\tat
>  
>  
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)\n\tat
>  
>  
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)\n\tat
>  
>  
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\n\tat
>  
>  
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)\n\tat
>  
>  
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\n\tat
>  
>  
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)\n\tat
>  
>  
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)\n\tat
>  
>  
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)\n\tat
>  
>  org.eclipse.jetty.server.Server.handle(Server.java:534)\n\tat 
>  org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)\n\tat 
>  
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)\n\tat
>  
>  
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)\n\tat
>  
>  org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)\n\tat 
>  
> org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)\n\tat
>  
>  
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)\n\tat
>  
>  
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)\n\tat
>  
>  
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)\n\tat
>  
>  
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)\n\tat
>  
>  
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)\n\tat
>  
>  java.lang.Thread.run(Thread.java:748)\nCaused by: 
>  org.apache.solr.client.solrj.SolrServerException: No live SolrServers 
>  available to handle this 
>  request:[[http://172.22.0.231:8983/solr/qa_shard1_replica2], 
>  [http://172.22.0.231:8983/solr/qa_shard2_replica2], 
>  [http://172.22.1.249:8983/solr/qa_shard1_replica3]]\n\tat 
>  
> org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:414)\n\tat
>  
>  
> org.apache.solr.handler.component.HttpShardHandlerFactory.makeLoadBalancedRequest(HttpShardHandlerFactory.java:302)\n\tat
>  
>  
> org.apache.solr.handler.component.HttpShardHandler.lambda$submit$0(HttpShardHandler.java:166)\n\tat
>  
>  java.util.concurrent.FutureTask.run(FutureTask.java:266)\n\tat 
>  
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)\n\tat 
>  java.util.concurrent.FutureTask.run(FutureTask.java:266)\n\tat 
>  
> com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)\n\tat
>  
>  
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)\n\tat
>  
>  
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat
>  
>  
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\t...
>  
>  1 more\nCaused by: 
>  org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error 
>  from server at [http://172.22.0.231:8983/solr/qa_shard1_replica2:]
>  java.lang.Double cannot be cast to org.apache.lucene.util.BytesRef\n\tat 
>  
> org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:610)\n\tat
>  
>  
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:279)\n\tat
>  
>  
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:268)\n\tat
>  
>  
> org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:435)\n\tat
>  
>  
> org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:387)\n\t...
>  
>  10 more\n", 
>      "code":500}} 



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