The Rhino Element Manager supports plugins and extensions.

These can add server-side functionality such as custom servlets as well as contribute client-side elements to the REM web interface.

The new REM plugin framework has superseded the older extension framework. Development of new extensions is deprecated in favour of plugins, but installing existing REM extensions is still fully supported.

REM plugins and extensions can coexist in a REM installation.

Installing REM Plugins

To install plugins into REM:

1

Copy all the plugin jar files that you want to install into the plugins directory in REM.

2

Restart REM or whatever servlet container you are running REM in.

Next time you refresh your browser and connect to REM your plugins should be present.

Installing REM Extensions

To install extensions into REM:

1

Open a terminal, and cd into an installation of your standalone REM installation.

2

Copy all the extension zip files that you want to include with REM into the admin/extensions directory.

For example:

cp my-extension.zip admin/extensions/
cp my-other-extension.zip admin/extensions/

3

Run the admin/install-extensions.sh script.

The script bundles the extensions in admin/extensions with REM, to produce a new rem.war file (admin/target/rem.war).

4

If you are using the default bundled Jetty server, you will need to:

  1. Copy the new rem.war from admin/target/rem.war to webapps/rem.war.

  2. Restart REM.

If you are using Tomcat or some other servlet container you will need to:

  1. Copy the new rem.war from admin/target/rem.war to your servlet container’s webapps directory.

  2. Restart your servlet container.

Next time you refresh your browser and connect to REM your extensions should be present.
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