To register Tomcat:

• Go to Windows → Preferences → Server → Runtime Environment

• Add Tomcat

• Click Apply and Close

To configure Project Facets:

• Right click on project

• Select Properties → Project Facets

• Click Runtimes tab

• Select Tomcat

• Click Apply and Close

To configure PKI/Tomcat JSS project:

• Right click base/server/tomcat7/src, select Build Path → Remove from Build Path.

• Right click base/server/tomcat8/src, select Build Path → Select as Source Folder.

• Click Project → Properties. Click Java Build Path on the left panel, click Libraries tab, click Add External JARs, then select /usr/share/java/tomcat/tomcat-util-scan.jar.