/usr/share/maven-repo/org/apache/xmlgraphics/batik-ext/ is in libbatik-java 1.8-4+deb9u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/org/apache/xmlgraphics/batik-ext/1.8/
/usr/share/maven-repo/org/apache/xmlgraphics/batik-ext/1.8/batik-ext-1.8.jar
/usr/share/maven-repo/org/apache/xmlgraphics/batik-ext/1.8/batik-ext-1.8.pom
/usr/share/maven-repo/org/apache/xmlgraphics/batik-ext/debian/
/usr/share/maven-repo/org/apache/xmlgraphics/batik-ext/debian/batik-ext-debian.jar
/usr/share/maven-repo/org/apache/xmlgraphics/batik-ext/debian/batik-ext-debian.pom
/usr/share/maven-repo/org/apache/xmlgraphics/batik-extension/1.8/
/usr/share/maven-repo/org/apache/xmlgraphics/batik-extension/1.8/batik-extension-1.8.jar
/usr/share/maven-repo/org/apache/xmlgraphics/batik-extension/1.8/batik-extension-1.8.pom
/usr/share/maven-repo/org/apache/xmlgraphics/batik-extension/debian/
/usr/share/maven-repo/org/apache/xmlgraphics/batik-extension/debian/batik-extension-debian.jar
/usr/share/maven-repo/org/apache/xmlgraphics/batik-extension/debian/batik-extension-debian.pom