Binary package “libtomcat9-java” in ubuntu eoan

Apache Tomcat 9 - Servlet and JSP engine -- core libraries

 Apache Tomcat implements the Java Servlet and the JavaServer Pages (JSP)
 specifications from Oracle, and provides a "pure Java" HTTP web
 server environment for Java code to run.
 .
 This package contains the Tomcat core classes which can be used by other
 Java applications to embed Tomcat.