In addition to the applications from the Application Vault, you can install Java Web application packages in the Web archive format (WAR). These Java applications are not distributed with Plesk; therefore you should obtain them separately.
To install an application:
This will start the Tomcat service, which provides an environment for Java code to run in cooperation with a web server.
This can be an application package in WAR format saved on your computer's hard drive.
Now the application is installed and the respective entry is added to the list of installed Java applications (Home > Tomcat).
To access the web interface of an application, do any of the following:
To stop, start or restart an application:
To deinstall an application, go to Home > Tomcat, and select a check box corresponding to the application that you no longer need. Then click Remove Selected. The application will be deinstalled and its databases removed from the server.