Hi David, I opened a JIRA and a PR:
https://issues.apache.org/jira/browse/SOLR-18627 https://github.com/apache/solr/pull/5305 Thanks, Li Enlai On Fri, Nov 6, 2026 at 1:17 PM David Smiley via dev <[email protected]> wrote: > Good catch! It's a shame we didn't have a test for this! > > On Fri, Nov 6, 2026 at 12:12 AM Enlai Li <[email protected]> wrote: > > > Hi, > > I saw this on users@. Writing an ignored_* field works on Solr 10.0 and > > fails on 10.1 with a NullPointerException: > > https://lists.apache.org/thread.html/28pqz7gkvr3tb3mrj7f9npvs8f6slqq5 > > In StrField.createFields(), before 10.1 the return was > > Collections.singletonList(fval). Since 10.1 it is List.of(fval). For an > > ignored field, fval is null. Collections.singletonList accepts null; > > List.of does not, so the NPE is thrown before the field is dropped. > > If this is not the expected behavior, I will open a JIRA and a PR to fix > > it. > > Thanks, > > Li Enlai > > This message was drafted with AI assistance and reviewed by me. > > >
