I got a error on installing elasticsearch-analysis-kuromoji-neologd to 6.3 cluster.
As error message said, this error is caused by plugin directory structure.
./elasticsearch-plugin install org.codelibs:elasticsearch-analysis-kuromoji-neologd:6.3.0
-> Downloading org.codelibs:elasticsearch-analysis-kuromoji-neologd:6.3.0 from maven central
[=================================================] 100%
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.
I got a error on installing elasticsearch-analysis-kuromoji-neologd to 6.3 cluster. As error message said, this error is caused by plugin directory structure.