Jasper fails to install with the following error
java.lang.RuntimeException: java.lang.Exception: Keystore may have been tampered with
Release : 7.1.1
Component : Jaspersoft
This is due to invalid keys
Remove : .jrsks and .jrsksp that were located user home directory and restart the installation process
These do not impact other applications and can be deleted, they will be recreated by JapserReports Server.