Cannot use previously existing repository database after reinstalling JasperReports Server

Scenario:

You had a jasperserver instance deployed on a machine that was connecting to a repository database but you've decided to deinstall JasperServer and keep the repository database. During reinstalling JasperServer using js-install.sh and pointing it to existing repository DB you didn't replace the existing data. After JasperServer was deployed, you cannot login with previous password. What could be the reason?

Solution:

Previous server was most likely using a different keystore than what it is using now. You either need to replace the new keystore (.jrsks and .jrsksp files) with backup files or point them to previous location if a new pair was generated. To point them to a different location edit the {JRS WAR}/WEB-INF/classes/keystore.init.properties file.

See here for more info:

https://community.jaspersoft.com/wiki/encryption-jasperreports-server-75