When worked on packages for RHEL7 a line:
has been replaced by:
which is actually wrong, should be reverted.
Even more, those lines actually do nothing useful.
Now logback cannot find default log file because:
3. If no such file is found, it checks for the file logback.xml in the classpath..
Another point - I don't see JAVA_OPTIONS="-server" line in RHEL7 packages, which also not very good, should be returned!