Changing bundled Tomcat listening port
Find the <Connector port="8080" protocol="HTTP/1.1" text in conf\server.xml file. Change 8080 to any other convenient port.
Crash recovery
If License Server fails to start with "Another instance of Derby may have already booted the database" message in catalina.out:
- Shutdown Tomcat.
- Remove file
db/db.lck. - Restart Tomcat.
License Server should boot fine and recover the database.