spring-authorization-server/etc/nohttp/suppressions.xml

<?xml version="1.0"?>
<!DOCTYPE suppressions PUBLIC
        "-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
        "https://checkstyle.org/dtds/suppressions_1_2.dtd">
<suppressions>
    <suppress files="[\\/]docs[\\/].gradle[\\/]" checks="NoHttp" />
</suppressions>