Passing an array as parameter from java (java controls) to stored procedure

Hi,
I'm using java controls (BEA Weblogic Workshop 8.1) to call a stored procedure and send an array as a parameter to the stored procedure from java. The following code below throws an exception "Fail to convert to internal representation".
Java code
import com.bea.control.DatabaseControl.SQLParameter;
// Here i create the java array
int[] javaArray={12,13,14};
//The code below is used to create the oracle sql array for the procedure
SQLParameter[] params = new SQLParameter[1];
Object obj0=javaArray;
params[0] = new SQLParameter(obj0, oracle.jdbc.OracleTypes.ARRAY, SQLParameter.IN);
// the code below calls the testFunc method in OJDBCtrl.jcx file
String succ= dbControl.testFunc(params);
OJDBCtrl.jcx
* @jc:sql statement="call CMNT_TST_PROC(?))"
String testFunc(SQLParameter[] param);
The stored procedure used:
TYPE SL_tab IS TABLE OF number INDEX BY PLS_INTEGER;
Procedure cmnt_tst_proc (cmnt_tst sl_tab);
Procedure cmnt_tst_proc (cmnt_tst sl_tab) is
BEGIN
dbms_output.put_line('Hello');
END;
I am getting the following exception
Failure=java.sql.SQLException: Fail to convert to internal representation: [[email protected] [ServiceException]>
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:162)
at oracle.jdbc.driver.DatabaseError.check_error(DatabaseError.java:861)
at oracle.sql.ARRAY.toARRAY(ARRAY.java:210)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectCritical(OraclePreparedStatement.java:7768)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectInternal(OraclePreparedStatement.java:7449)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectInternal(OraclePreparedStatement.java:7837)
at oracle.jdbc.driver.OracleCallableStatement.setObject(OracleCallableStatement.java:4587)
at weblogic.jdbc.wrapper.PreparedStatement.setObject(PreparedStatement.java:244)
at com.bea.wlw.runtime.core.control.DatabaseControlImpl._setParameter(DatabaseControlImpl.jcs:1886)
at com.bea.wlw.runtime.core.control.DatabaseControlImpl.getStatement_v2(DatabaseControlImpl.jcs:1732)
at com.bea.wlw.runtime.core.control.DatabaseControlImpl.invoke(DatabaseControlImpl.jcs:2591)
at com.bea.wlw.runtime.core.dispatcher.DispMethod.invoke(DispMethod.java:377)
at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:433)
at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:406)
at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:249)
at com.bea.wlw.runtime.jcs.container.JcsContainer.invoke(JcsContainer.java:85)
at com.bea.wlw.runtime.core.bean.BaseContainerBean.invokeBase(BaseContainerBean.java:224)
at com.bea.wlw.runtime.core.bean.SLSBContainerBean.invoke(SLSBContainerBean.java:109)
at com.bea.wlwgen.StatelessContainer_ly05hg_ELOImpl.invoke(StatelessContainer_ly05hg_ELOImpl.java:153)
Can you please let me know, what i'm doing wrong and how i can pass an array to a procedure/function using java controls.
Any help will be highly appreciated.
Edited by: user12671762 on Feb 24, 2010 5:03 AM
Edited by: user9211663 on Feb 24, 2010 9:04 PM

Thanks Michael.
Here's the final code that i used, this might be helpful for those who face this problem
Java Code
// Following code gets the connection object
InitialContext ctx = new InitialContext();
dataSource = (DataSource)ctx.lookup("<DataSourceName>");
conn=dataSource.getConnection();
// Following code is used to create the array type from java
String query="CREATE OR REPLACE TYPE STR_ARRAY AS VARRAY(3) OF NUMBER";
dbControl.runTypeQuery(query);
// Following code is used to obtain the oracle sql array as SQLParameter
ArrayDescriptor desc = ArrayDescriptor.createDescriptor("<schemaName>.STR_ARRAY", conn);
Object[] elements = new Object[3];
elements[0] = new Integer(12);
elements[1] = new Integer(13);
elements[2] = new Integer(14);
oracle.sql.ARRAY newArray = new oracle.sql.ARRAY( desc, conn, elements);
SQLParameter[] params = new SQLParameter[1];
params[0] = new SQLParameter(newArray, oracle.jdbc.OracleTypes.ARRAY, SQLParameter.IN);
String succ= dbControl.testFunc(params);

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    We have a requirement for dynamic parameters in crystal reports that need to be executed in java application. Since, crystal java framework do not support the dynamic parameter execution (please correct me if I am wrong), we plan to execute explicitly the query for getting the dynamic values of such dynamic parameters before listing the parameters in java application.
    The query for the dynamic parameter will be given in the field 'Prompt Group Text' of the parameter.
    I coudl not get hold of these details from java api. So please some one help me out.
    Environment - Crystal X1 R2 with java libraries
    1. How can we identify a parameter is a dynamic one?
    2. How to get the 'Prompt Group Text' field value?
    Any suggestions welcome.
    Thanks,
    Ratan.

    There are these two methods in the Business Objects Enterprise SDK Developer Libary:
    byte[]   getDynamicCascadePromptData()
               Returns a collection that contains dynamic cascading prompt data. 
    java.lang.String getDynamicCascadePromptGroupID()
                            Returns a dynamic cascade prompt group ID. 
    For more information on what is available through available SDK's, please refer to the following link:
    http://devlibrary.businessobjects.com/BusinessObjectsXIR2SP2/en/devsuite.htm

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