mahout seq2sparse out is empty

[Raghuveer <al...@yahoo.com.INVALID>]

I have data file of the formatsrc_ip,dest_ip,packet, bytes_transferred, src_port,dest_port, start_timestamp
71.105.62.168, 38.106.70.147, 1, 54, 55704, 52747, 1341775056478
38.106.70.147, 71.105.62.168, 2, 1568, 52747, 55704, 1341775056478
Firstly the text like src_ip should be converted to a number i think as per my reading how can i do this?I ran the following code successfully without any errors:./mahout seqdirectory --input /upload/20120708-0031-0060.csv --output /upload/output1
./mahout seq2sparse -i /upload/output1 -o /upload/output2
but the output is emptydrwxr-xr-x   - admin supergroup     0  /upload/output4/df-count
-rw-r--r--   2 admin supergroup  2008  /upload/output4/dictionary. file-0
-rw-r--r--   2 admin supergroup  1593  /upload/output4/frequency. file-0
drwxr-xr-x   - admin supergroup     0  /upload/output4/tf-vectors
drwxr-xr-x   - admin supergroup     0  /upload/output4/tfidf-vectors
drwxr-xr-x   - admin supergroup     0  /upload/output4/tokenized- documents
drwxr-xr-x   - admin supergroup     0  /upload/output4/wordcount
i should have got something in tfidf-vectors isnt it? Can you kindly suggest what am missing.thanks in advance