Upgrade Java 1.8 → 11, Tomcat 8.5 → 9 and Solr 7 → 9 #410
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…yback into 331_major_upgrade
The current test setup is with Solr 9.1.0 as bumping to 9.2+ introduced incompatibilities. However, the Solr 9.1.0 has a peculiar dependency on Lucene codec 9.2.0. Neither of these things are ideal, but this is "only" testing.
tokee
added
enhancement
backend
complex
# Conflicts: # src/bundle/README.md
would result in a corpus much larger and having other entries as well.
thomasegense
approved these changes
Dec 20, 2023
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This pull request upgrades Java, Tomcat & Solr. The Java and Tomcat bumps are near-trivial, but the Solr 7 → 9 bump introduces several changes. Besides updates to the code, the README for building a bundle (
src/bundle/README.md) has been substantially extended. I suggest following that playbook and testing the produced bundle.With the Solr upgrade comes a switch from Standalone to Cloud. This is not strictly necessary, but running in Cloud mode enables the use of Solr streaming, which has proven useful for flexible exports. There is near-zero penalty to running in Cloud, when using the bundle, as the only change from a user-perspective is the additional
-cswitch when starting Solr.I have added both @thomasegense and @VictorHarbo as reviewers - we should test all the different features of SolrWayback due to the double Solr version jump.
SolrWayback should still be backwards compatible with Solr 7. This is fairly easy to test by starting an existing Solr 7 installation instead of a new Solr 9.
This closes #331