After the chef installation run succeeded, you can validate the correct installation by reviewing the installed application and check the applications log files.

/opt/coremedia/<name>
    |- application.properties
    |- <application>.jar
    |- log
    |- post-start-check.sh
    |- jmx-remote.access
    `- jmx-remote.password

/etc/systemd/system/<name>.conf
/var/log/coremedia/<name> -> <path>/log/<name>.log