FTS-lucene errors : language not available for stemming

[Stuart Henderson]

On 2020-05-19, David Gessel <gessel at blackrosetech.com> wrote:
> I'm getting some log errors with clucene that I am having no luck tracking down on the interwebs.

This looks relevant:

https://www.mail-archive.com/dovecot@dovecot.org/msg66366.html

> I am considering switch to xapian (solr and java... pls noe) as the
> port is quite tempting from an ease of integration perspective, but the
> easiest solution would be to resolve these odd indexing errors.  Anyone
> have a clue?

dovecot-fts-xapian is easy to configure, but has a big downside compared
to solr in that the indexer runs as root.