Le 06/12/2018 à 09:54, Andreas Tille a écrit : > I remember the advise to seek on codesearch.d.n for the import statement > to find out what Build-Depends might be needed but this search failed. > Any other hint? It's there though: https://sources.debian.org/src/ant/1.10.5-2/src/main/org/apache/tools/ant/taskdefs/condition/Http.java/ Ant is probably not on the classpath. Emmanuel Bourg