I tried ElasticSearch 7.6.0 and Lucene 8.4.0 and it did not build [1], where lucene 7.7.2 and elasticsearch 6.8.6 work as is including tests,
I think for option ElasticSearch 7.6.0 (Lucene 8.4.0) some further investigation might be required which module owners could look into for future releases. for now version Lucene 7.7.2 and elasticsearch 6.8.6 fix issues we have with jdk 13.02 (OpenJDK ) (I haven't tried Oracle JDK yet). That said it would be nice to build with ElasticSearch 7.6.0 and Lucene 8.4.0 but it is not a requirement for me at the moment. 1. The POM for org.apache.lucene:lucene-queryparser:jar:8.4.2 is missing, no dependency information available Could not resolve dependencies for project org.apache.jena:jena-text:jar:3.15.0-SNAPSHOT: The following artifacts could not be resolved: org.apache.lucene:lucene-core:jar:8.4.2, org.apache.lucene:lucene-analyzers-common:jar:8.4.2, org.apache.lucene:lucene-queryparser:jar:8.4.2, org.apache.lucene:lucene-highlighter:jar:8.4.2, org.apache.lucene:lucene-backward-codecs:jar:8.4.2: Could not find artifact org.apache.lucene:lucene-core:jar:8.4.2 in central ( https://repo.maven.apache.org/maven2) On Sun, Feb 23, 2020 at 10:10 AM Andy Seaborne <a...@apache.org> wrote: > On 22/02/2020 11:35, Marco Neumann wrote: > > I was able to build (clean install) the latest snapshot (Apache Jena > > 3.15.0-SNAPSHOT) with jdk13.02 by upgrading lucene to version 7.7.2 > > and elasticsearch to 6.8.6 > > Should we upgrade Lucene and ElasticSearch versions? > > Does anyone know about compatibility of Lucene v8 code with Lucene v7 > data files? > > Either we do incremental jumps and old database often work for a while, > new databases are current latest format but it is a little mysterious to > the users as to when they need to reload or we do a few large jumps when > it is clearer when a reload is needed but at that point all existing > data has to be reloaded. > > I think we should at least go to Lucene 7.7/ES-6.8 but if 8.0/ES-7.6 is > not a data reload, then jump to Lucene-8 so that new databases are v8 > format (the more incremental style). > > Andy > > Current Jena: > Lucene: 7.4.0 > ES: 6.4.2 > > Current latest: > Lucene 8.4.1 > Lucene 7.7.2 > ElasticSearch 6.8.6 (Lucene 7.7.2) > ElasticSearch 7.6.0 (Lucene 8.4.0) > > -- --- Marco Neumann KONA
