JavaScript Language Pluginedit

Deprecated in 5.0.0.

JavaScript will be replaced by the new default scripting language Painless

The JavaScript language plugin enables the use of JavaScript in Elasticsearch scripts, via Mozilla’s Rhino JavaScript engine.


This plugin can be installed using the plugin manager:

sudo bin/elasticsearch-plugin install lang-javascript

The plugin must be installed on every node in the cluster, and each node must be restarted after installation.

This plugin can be downloaded for offline install from


The plugin can be removed with the following command:

sudo bin/elasticsearch-plugin remove lang-javascript

The node must be stopped before removing the plugin.