In order to fix this issue maven-ant-helper has to add maven-toolchain.jar to the classpath when invoking Maven.
This is a side effect of the maven-compiler-plugin upgrade from 2.0.2 to 2.5.1 last November. Emmanuel Bourg -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org