I just upgraded Jaspersoft to 7.1.3.
I found the following error while reviewing the install.log file, though the Build itself was successful.
[encrypt-props] Encrypt dbPassword,sysPassword
[echo] chkIfPackageManagedTomcat: check if package managed tomcat
[echo] Tomcat DBCP Factory: com.jaspersoft.jasperserver.tomcat.jndi.JSCommonsBasicDataSourceFactory
[exec] Execute failed: java.io.IOException: Cannot run program "git": CreateProcess error=2, The system cannot find the file specified
Release : 15.9
Component : CA PPM APPLICATION
This message is not a cause for concern, and the install should be able to complete successfully.