Le 28/02/2021 à 15:26, Mechtilde a écrit : > at most of my Java packages i set > > export JAVA_HOME := /usr/lib/jvm/default-java > > in debian/rules You can remove it from debian/rules, unless you want to build with a specific JRE (for example Java 8 when Java 11 is the default) that's useless. Emmanuel Bourg