/usr/share/maven-repo/io/undertow/ is in libundertow-java 1.3.16-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/io/undertow/undertow-core/
/usr/share/maven-repo/io/undertow/undertow-core/1.3.16.Final/
/usr/share/maven-repo/io/undertow/undertow-core/1.3.16.Final/undertow-core-1.3.16.Final.jar
/usr/share/maven-repo/io/undertow/undertow-core/1.3.16.Final/undertow-core-1.3.16.Final.pom
/usr/share/maven-repo/io/undertow/undertow-core/debian/
/usr/share/maven-repo/io/undertow/undertow-core/debian/undertow-core-debian.jar
/usr/share/maven-repo/io/undertow/undertow-core/debian/undertow-core-debian.pom
/usr/share/maven-repo/io/undertow/undertow-parent/
/usr/share/maven-repo/io/undertow/undertow-parent/1.3.16.Final/
/usr/share/maven-repo/io/undertow/undertow-parent/1.3.16.Final/undertow-parent-1.3.16.Final.pom
/usr/share/maven-repo/io/undertow/undertow-parent/debian/
/usr/share/maven-repo/io/undertow/undertow-parent/debian/undertow-parent-debian.pom
/usr/share/maven-repo/io/undertow/undertow-parser-generator/
/usr/share/maven-repo/io/undertow/undertow-parser-generator/1.3.16.Final/
/usr/share/maven-repo/io/undertow/undertow-parser-generator/1.3.16.Final/undertow-parser-generator-1.3.16.Final.jar
/usr/share/maven-repo/io/undertow/undertow-parser-generator/1.3.16.Final/undertow-parser-generator-1.3.16.Final.pom
/usr/share/maven-repo/io/undertow/undertow-parser-generator/debian/
/usr/share/maven-repo/io/undertow/undertow-parser-generator/debian/undertow-parser-generator-debian.jar
/usr/share/maven-repo/io/undertow/undertow-parser-generator/debian/undertow-parser-generator-debian.pom
/usr/share/maven-repo/io/undertow/undertow-servlet/
/usr/share/maven-repo/io/undertow/undertow-servlet/1.3.16.Final/
/usr/share/maven-repo/io/undertow/undertow-servlet/1.3.16.Final/undertow-servlet-1.3.16.Final.jar
/usr/share/maven-repo/io/undertow/undertow-servlet/1.3.16.Final/undertow-servlet-1.3.16.Final.pom
/usr/share/maven-repo/io/undertow/undertow-servlet/debian/
/usr/share/maven-repo/io/undertow/undertow-servlet/debian/undertow-servlet-debian.jar
/usr/share/maven-repo/io/undertow/undertow-servlet/debian/undertow-servlet-debian.pom
/usr/share/maven-repo/io/undertow/undertow-websockets-jsr/
/usr/share/maven-repo/io/undertow/undertow-websockets-jsr/1.3.16.Final/
/usr/share/maven-repo/io/undertow/undertow-websockets-jsr/1.3.16.Final/undertow-websockets-jsr-1.3.16.Final.jar
/usr/share/maven-repo/io/undertow/undertow-websockets-jsr/1.3.16.Final/undertow-websockets-jsr-1.3.16.Final.pom
/usr/share/maven-repo/io/undertow/undertow-websockets-jsr/debian/
/usr/share/maven-repo/io/undertow/undertow-websockets-jsr/debian/undertow-websockets-jsr-debian.jar
/usr/share/maven-repo/io/undertow/undertow-websockets-jsr/debian/undertow-websockets-jsr-debian.pom