I tried it again now. I did: rm -r .m2/repository mvn clean verify -Dhadoop.version=2.6.0
failed again. Also with versions 2.6.1 and 2.6.3. On Mon, 1 Aug 2016 at 08:23 Maximilian Michels <m...@apache.org> wrote: > This is also a major issue for batch with off-heap memory and memory > preallocation turned off: > https://issues.apache.org/jira/browse/FLINK-4094 > Not hard to fix though as we simply need to reliably clear the direct > memory instead of relying on garbage collection. Another possible fix > is to maintain memory pools independently of the preallocation mode. I > think this is fine because preallocation:false suggests that no memory > will be preallocated but not that memory will be freed once acquired. >