You can add, remove, or reorder plug-in components on the client. Plug-ins are displayed as nodes in the Enterprise View tree in Administration Services Console and appear in the order they are displayed in the Installed Plug-ins text box.
To configure plug-in components:
From Administration Services Console, select Tools, and then Configure components.
If you are adding a plug-in component, click Add to select a Java Archives (*.jar) file to add to the list of installed plug-ins.
If you are removing a plug-in component, select a component in the Installed Plug-ins text box and click Remove.
If you are reordering the components in the Installed Plug-ins text box, select a component and click Move Up or Move Down until it appears in the desired position in the list.
Click Close.
Administration Services Developer's Guide
Oracle Essbase Administration Services Java API Reference