/usr/share/jetty9/lib/apache-jsp/tomcat-jsp-api.jar is in jetty9 9.2.14-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/jetty9/lib/apache-jsp/../../../java/tomcat8-jsp-api.jar
/usr/share/jetty9/lib/apache-jsp/../../../java/tomcat8-jsp-api.jar