epugh commented on PR #2452:
URL: https://github.com/apache/solr/pull/2452#issuecomment-2506063447
Argh, a bit stuck. I can't figure out how to have the UBIComponent during a
distributed query, look up the final doc id's and record them before sending
them back to the user. With a single node single shard, it works great, but
not in a distributed fashion.
I keep getting:
```
2024-11-28 12:36:31.368 ERROR (qtp428039780-40-localhost-11) [c:twoshard
s:shard1 r:core_node4 x:twoshard_shard1_replica_n2 t:localhost-11]
o.a.s.s.HttpSolrCall 500 Exception => java.lang.NullPointerException: Cannot
read field "docList" because the return value of
"org.apache.solr.handler.component.ResponseBuilder.getResults()" is null
at
org.apache.solr.handler.component.UBIComponent.doStuff(UBIComponent.java:315)
java.lang.NullPointerException: Cannot read field "docList" because the
return value of
"org.apache.solr.handler.component.ResponseBuilder.getResults()" is null
at
org.apache.solr.handler.component.UBIComponent.doStuff(UBIComponent.java:315)
~[?:?]
at
org.apache.solr.handler.component.UBIComponent.distributedProcess(UBIComponent.java:252)
~[?:?]
at
org.apache.solr.handler.component.SearchHandler.processComponents(SearchHandler.java:552)
~[?:?]
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:429)
~[?:?]
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
~[?:?]
at org.apache.solr.core.SolrCore.execute(SolrCore.java:2875) ~[?:?]
```
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