[sqlmap-users] why sqlmap always can not fetch the tables?

[root <ro...@cn...>]

why sqlmap always can not fetch the tables?
            
like this

i use the other tools,like havij,can fetch it,why this not?

[12:13:58] [INFO] fetching number of tables for database 'test'
[12:13:58] [INFO] retrieving the length of query output
[12:13:58] [INFO] retrieved:
[12:13:59] [WARNING] reflective value(s) found and filtering out

[12:14:02] [INFO] resumed: 0
[12:14:02] [WARNING] unable to retrieve the number of tables for database 'test'
[12:14:02] [ERROR] unable to retrieve the table names for any database
do you want to use common table existence check? [y/N/q] y
[12:14:05] [WARNING] in case of continuous data retrieval problems you are advis
ed to try a switch '--no-cast' and/or switch '--hex'




                                                             thanks&Best Regards