Passing String Array from Java to PL/SQL

Hi,
We are having couple of packages which have been written in PL/SQL . I would like to know how i can send arrays as input parameters from Java to any stored proc in Oracle. I am having Oracle 8i as the DB and am using Websphere RSA for deployment purposes.
please find below Java , PL/SQL code and exception
PL/SQL Code :
PACKAGE PKG_SURCHARGE
IS
TYPE commodity_key IS TABLE OF VARCHAR2(500) INDEX BY BINARY_INTEGER;
PROCEDURE RETRIEVE_CHARGES
in_Commodity_tab IN commodity_key,
IS
BEGIN
dbms_output.put_line('in_Commodity_tab(' || '0' || ') : ' || in_Commodity_tab(0) );
Java Code :
CallableStatement cstmt=null;
Connection conn=null;
try{
conn=getConnection();
System.out.println("++++++connected");
String sqlStr = "{call Pkg_Surcharge.RETRIEVE_CHARGES(?) }";
cstmt = conn.prepareCall(sqlStr );
//1.
String[] javaArray={"20081117","20081117"};
ArrayDescriptor dateDescripter = ArrayDescriptor.createDescriptor( "commodity_key", conn );
oracle.sql.ARRAY dateArray = new oracle.sql.ARRAY(dateDescripter, conn, javaArray);
System.out.println("++++++registered-1");
Catch (Exception e){
e.printStackTrace();
Exception Occured:
java.sql.SQLException: Invalid Pattern Name <Schema Name>.commodity_key
Appreciate your help in this regard
Thanks
Srini
Edited by: [email protected] on Nov 25, 2008 4:55 AM

Avi is correct. You must create a varray or nested table instead of using a PL/SQL index-by table.
SQL> create type commodity_key as varray(#) of varchar2(500);
or
SQL> create type commodity_key as table of varchar2(500);
Use the varray if you know the number of items in the array. Otherwise, use the nested table.

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