If you want to run Java applications on your Linux server with Plesk installed, you need to install Tomcat on your server. This might require you to access your server using SSH. See Connect to your server or shared hosting account with SSH or Logging in to Your Server for more information.
Follow each of the procedures below to install Tomcat on your server using the Plesk Updates and Upgrades installer. It is not recommended to install Tomcat, using Plesk, on a server with third-party repositories installed. It's best to install Tomcat on a clean install of Plesk and CentOS.