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 Take a backup of your system before you install a module. Uninstalling a module is not as simple as removing the .jar file. Modules add new configuration nodes, modify existing configuration and may change content. We recommend trying out new modules in a test environment first.

A module consist of a JAR file and potentially other dependencies as JAR files. Modules are responsible for updating their own content and configuration across versions. Be sure to keep one single version of each module and its dependencies.

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