Thread: typecast exception

Helo
     I am working on spring project with postgres 8.4
i wrote a function in postgrees which i am passing the argument email
email[] array
From front end we need to insesrt data into that emailarray .so i used
java.arraylist.util
while i am running i got the following error Please help me

error:
org.postgresql.util.PSQLException: Cannot cast an instance of
java.util.ArrayList to type Types.ARRAY