Possible exposure of partially initialized FileSystem instance in ml.shifu.shifu.util.HDFSUtils.getFS(). Instead , Store the  FileSystem instance into the local variable first and save it  to the volatile FileSystem field after it's fully constructed.
Possible exposure of partially initialized FileSystem instance
in ml.shifu.shifu.util.HDFSUtils.getFS(). Instead , Store the 
FileSystem instance into the local variable first and save it 
to the volatile FileSystem field after it's fully constructed.
aglne/shifu,aglne/shifu