REST services.
Database migration with FlyDB.
Abstract filter with predicates integrated with Page/Pageable.
When running MySQL, logs aren't writing inside of /var/log/mysql/ directory.
To solve this, execute the code below:
# chmod u=rwx,g=rwx,o=rwx [file_or_directory_name]
chmod u=rwx,g=rwx,o=rwx /var/log/mysql/