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. >
