ERROR message is as follows:
Downloading file: https://artifacts.elastic.co/downloads/elasticsearch-plugins/analysis-kuromoji/analysis-kuromoji-7.8.1.zip
Downloading [=============================================================] 100%
Installing file: /tmp/studtmp-9a42b0c905b1aeba7f033ac3bfcc0cf707db51b133693fce41e62bed9ed9/analysis-kuromoji-7.8.1.zip
ERROR: Invalid pack for: https://artifacts.elastic.co/downloads/elasticsearch-plugins/analysis-kuromoji/analysis-kuromoji-7.8.1.zip, reason: The pack must contains at least one plugin, message: The pack must contains at least one plugin
It is running on openjdk 11.0.8 on Ubuntu 20.04 LTS.