[SOLR-16225] Upgrade dependencies (Carrot2, HPPC)

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 9.1
• Assignee: Dawid Weiss
• Reporter: Dawid Weiss
• Created: 01/Jun/22 06:33
• Updated: 10/Jan/23 20:45
• Resolved: 05/Jun/22 19:47

Description

PR is here:
https://github.com/apache/solr/pull/884

This issue upgrades Carrot2 and HPPC libraries in Solr. The change may require some attention when upgrading: the structure of the default lexical resources in Carrot2 has changed from plain-text files to JSON files. Carrot2 ships with a tool to convert any existing dictionaries (if they were used) to the new format:

https://carrot2.github.io/release/4.3.1/doc/v4.1.x/