ClassCastException :SerialConnection

[Raaj Pradhan]

Hi all,
I am getting this strange error when i am trying to use a array and map it using nested table.
It throws
java.lang.ClassCastException: weblogic.jdbc.rmi.SerialConnection - at the ArrayDescriptor.createDescriptor("file_import_nestedtable",connection); line.
Here is my code ...

 
connection = DbConnection.getConnection();
strArrHeaderBodyData=aoFileImport.arrayListToArray();            
ArrayDescriptor desc = ArrayDescriptor.createDescriptor("file_import_nestedtable",connection);
ARRAY arr1 = new ARRAY(desc,connection,strArrHeaderBodyData);
OracleCallableStatement call =  (OracleCallableStatement)connection.prepareCall("{call pkg_file_import.proc_file_import(?,?)}");
call.setARRAY(1, arr1);
call.registerOutParameter(2, java.sql.Types.VARCHAR);
call.execute();
 

[Raaj Pradhan]

I am pasting a complete stacktrace below...
java.lang.ClassCastException: weblogic.jdbc.rmi.SerialConnection
at oracle.sql.ArrayDescriptor.createDescriptor(ArrayDescriptor.java:87)
at com.ges.expd2.isss.entity.ImportEntity.processRecords(ImportEntity.java:78)
at com.ges.expd2.isss.servlet.ImportServlet.doPost(ImportServlet.java:103)
at com.ges.expd2.isss.servlet.BaseServlet.service(BaseServlet.java:69)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2456)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2039)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
weblogic.jdbc.rmi.SerialConnection
Please help....