/usr/share/maven-repo/ch/qos/ is in liblogback-java 1:1.1.2-1+deb8u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/ch/qos/logback/
/usr/share/maven-repo/ch/qos/logback/logback-classic/
/usr/share/maven-repo/ch/qos/logback/logback-classic/1.1.2/
/usr/share/maven-repo/ch/qos/logback/logback-classic/1.1.2/logback-classic-1.1.2.jar
/usr/share/maven-repo/ch/qos/logback/logback-classic/1.1.2/logback-classic-1.1.2.pom
/usr/share/maven-repo/ch/qos/logback/logback-classic/debian/
/usr/share/maven-repo/ch/qos/logback/logback-classic/debian/logback-classic-debian.jar
/usr/share/maven-repo/ch/qos/logback/logback-classic/debian/logback-classic-debian.pom
/usr/share/maven-repo/ch/qos/logback/logback-core/
/usr/share/maven-repo/ch/qos/logback/logback-core/1.1.2/
/usr/share/maven-repo/ch/qos/logback/logback-core/1.1.2/logback-core-1.1.2.jar
/usr/share/maven-repo/ch/qos/logback/logback-core/1.1.2/logback-core-1.1.2.pom
/usr/share/maven-repo/ch/qos/logback/logback-core/debian/
/usr/share/maven-repo/ch/qos/logback/logback-core/debian/logback-core-debian.jar
/usr/share/maven-repo/ch/qos/logback/logback-core/debian/logback-core-debian.pom
/usr/share/maven-repo/ch/qos/logback/logback-parent/
/usr/share/maven-repo/ch/qos/logback/logback-parent/1.1.2/
/usr/share/maven-repo/ch/qos/logback/logback-parent/1.1.2/logback-parent-1.1.2.pom
/usr/share/maven-repo/ch/qos/logback/logback-parent/debian/
/usr/share/maven-repo/ch/qos/logback/logback-parent/debian/logback-parent-debian.pom