I updated Bamboo from 7.2.2 to 8.0.0 (on a server license) and on completion the service would not function - couldn't find org/apache/catalina/startup/Bootstrap so something fairly basic.
I uninstalled 7.2.2, removed associated files left behind and recreated empty database.
Installed 8.0.0 cold, after setting JAVA_HOME to JDK11 (as said now supported).
Went through OK and when I got to localhost:8085 (the let's get building) got pages of Java errors +181 more apparently)
Logging in next page give same effect.
This is a Windows 2019 server installation.
Any clues appreciated. Dave.