thanks Erel, I have checked, the first three files copied correctly however, raising exception:
(Exception) Not initialized
the remaining files copied over at 0KB with exception:
(TransportException) jcifs.util.transport.TransportException: Transport1 timedout waiting for response to SmbComReadAndX[command=SMB_COM_READ_ANDX,received=false,errorCode=0,flags=0x0018,flags2=0xC803,signSeq=0,tid=2055,pid=36310,uid=6146,mid=297,wordCount=12,byteCount=0,andxCommand=0xFF,andxOffset=0,fid=16411,offset=12478,maxCount=3906,minCount=3906,openTimeout=-1,remaining=0,offset=12478]