sudo bin/elasticsearch-plugin install gr.skroutz:elasticsearch-skroutz-greekstemmer:5.4.2.1
-> Downloading gr.skroutz:elasticsearch-skroutz-greekstemmer:5.4.2.1 from maven central
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Warning: sha512 not found, falling back to sha1. This behavior is deprecated and will be removed in a future release. Please update the plugin to use a sha512 checksum.
ERROR: This plugin was built with an older plugin structure. Contact the plugin author to remove the intermediate "elasticsearch" directory within the plugin zip.
Before building, I changed the version in pom.xml (/project/version to 6.x.0-CUSTOM and /project/properties/elasticsearch.version to 6.x.0) and it works.
Cannot install on latest ES due to error:
Any chance for an update here?