WARNING OGG-01806 Oracle GoldenGate Capture for Oracle, extall.prm: Virtual memory mmap allocation

Hi,
Our extract got abended with below error;

$>  tail -f /u02/oracle/GG/product/gg_sw_rpwmpr/ggserr.log
2013-12-24 09:59:06  WARNING OGG-00869  Oracle GoldenGate Capture for Oracle, extall.prm:  No unique key is defined for table 'VC_PUTAWAY_LOAD'. All viable columns will be used to represent the key, but may not guarantee uniqueness.  KEYCOLS may be used to define the key.
2013-12-24 09:59:07  WARNING OGG-01435  Oracle GoldenGate Capture for Oracle, extall.prm:  mmap: len: 0x00010000  prot: 0x00000003  flags: 0x00000021  fd: -1  off: 0x00000000  errno: 12 (Cannot allocate memory).
2013-12-24 09:59:07  WARNING OGG-01806  Oracle GoldenGate Capture for Oracle, extall.prm:  Virtual memory mmap allocation error:  Cannot allocate memory (error: 12).