/usr/share/maven-repo/org/eclipse/jetty/alpn/alpn-api/1.1.2.v20150522/alpn-api-1.1.2.v20150522.jar is in libjetty9-java 9.2.23-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/eclipse/jetty/alpn/alpn-api/1.1.2.v20150522/../../../../../../../java/jetty9-alpn-api.jar