There is a security issue which warrants the need to update Jaspersoft tomcat home home from a vulnerable Tomcat release to another. This knowledge article walks through the options that one can consider to achieve this tomcat home migration.
Note: These steps can also be used to fix corruptions on the Jaspersoft Home directory.
Clarity - all supported releases.
The best option for this is to do a fresh installation of Jaspersoft 7.8 and during the install prompt point to the new Tomcat Home and existing Jaspersoft DB.
Select Jaspersoft 7.8 "cluster" installation option and the secondary node option as follows:
Select Installation Mode
Choose option :
Select the Cluster Node
2) Additional (Web-app Deploy Only)
Proceed with the DB type and input the DB details. There will a connection check and the installation would succeed immediately unlike a primary node installation option.
This would ensure that the existing DB can be used and will only do a new JS app installation.
This option can be considered as an alternate to cases if there are many customised configurations in the old tomcat home: