problem with currency symbol in rs.getString

Hello
I am facing follwoing problem with Postgres JDBC (downloaded from
jdbc.postgresql.org)

I have a data base structure like this

CREATE TABLE currency

(

currencyname varchar(20),

currencysymbol varchar(10) NOT NULL,

)



I am restoring  currencies and its symbols (dollar , $  )(pound, £ )

When i am retireving these currency using rs.getString("currencysymbol ") ,
Driver is throwing java.lang.ArrayIndexOfBoundsException

Anyone have any idea about this??

Thanks in advance
kuldip