This seems like a problem with concurrency to me: It happened twice in the last
few days while around 30 builds ran without any problems.
References:
https://github.com/alexo/wro4j/issues/210
Original issue reported on code.google.com by alex.obj...@gmail.com on 25 Sep 2014 at 8:23
Original issue reported on code.google.com by
alex.obj...@gmail.com
on 25 Sep 2014 at 8:23