Test coverage tasks can be currently run only with default java platform, that is with property nbjdk.active unset or set to 'default' and with property nbjdk.home unset. For NB.org module, specify properties: nbjdk.home.defaulted=true permit.jdk6.builds=true when running the target. Current java platform setup is: nbjdk.active: ${nbjdk.active.print} nbjdk.home: ${nbjdk.home.print} nbjdk.home defaulted: ${nbjdk.home.defaulted.print} Some tests failed; see details above. Some tests failed; see details above.