How to call a PL/SQL procedure from a Java class?

Hi,
I am new to the E-BusinessSuite and I want to develop a Portal with Java Portlets which display and write data from some E-Business databases (e.g. Customer Relationship Management or Human Resource). These data have been defined in the TCA (Trading Community Architecture) data model. I can access this data with PL/SQL API's. The next problem is how to get the data in the Java class. So, how do you call a PL/SQL procedure from a Java program?
Can anyone let me know how to solve that problem?
Thanks in advance,
Chang Si Chou

Have a look at this example:
final ApplicationModule am = panelBinding.getApplicationModule();
try
     final CallableStatement stmt = ((DBTransaction)am.getTransaction()).
                                                                                     createCallableStatement("{? = call some_pck.some_function(?, ?)}", 10);
     stmt.registerOutParameter(1, OracleTypes.VARCHAR);
     stmt.setInt(2, ((oracle.jbo.domain.Number)key.getAttribute(0)).intValue());
     stmt.setString(3, "Test");
     stmt.execute();
     stmt.close();
     return stmt.getString(1);
catch (Exception ex)
     panelBinding.reportException(ex);
     return null;
}Hope This Helps

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    Dim InputParam2 As New ADODB.Parameter
    Dim InputParam3 As New ADODB.Parameter
    Dim InputParam4 As New ADODB.Parameter
    Dim InputParam5 As New ADODB.Parameter
    Dim InputParam6 As New ADODB.Parameter
    Dim InputParam7 As New ADODB.Parameter
    Dim InputParam8 As New ADODB.Parameter
    Dim InputParam9 As New ADODB.Parameter
    Dim InputParam10 As New ADODB.Parameter
    Dim InputParam11 As New ADODB.Parameter
    Dim InputParam12 As New ADODB.Parameter
    Dim InputParam13 As New ADODB.Parameter
    Dim InputParam14 As New ADODB.Parameter
    Dim InputParam15 As New ADODB.Parameter
    Dim InputParam16 As New ADODB.Parameter
    Dim InputParam17 As New ADODB.Parameter
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    ValueReadQuery query = new ValueReadQuery();
    //query.bindAllParameters();
    query.setCall(call);
    query.addArgument("p_persid");
    query.addArgument("p_module");
    Vector parameters = new Vector();
    parameters.addElement(persid);
    parameters.addElement(theModule);
    Integer rolesnum = (Integer) aSession.executeQuery(query,parameters);
    aSession.release();
    if(rolesnum.intValue()<=0)return false; else return true;
    However, I receive the following error:
    Exception [TOPLINK-4002] (Oracle TopLink - 10g Release 3 (10.1.3.0.0) (Build 060118)): oracle.toplink.exceptions.DatabaseException
    Internal Exception: java.sql.SQLException: ORA-06550: line 1, column 96:
    PLS-00312: a positional parameter association may not follow a named association
    ORA-06550: line 1, column 7:
    PL/SQL: Statement ignored
    Error Code: 6550
    Call:BEGIN CIO_UTILS.COUNT_USER_ROLES_IN_MODULE(p_persid=>'SANCRA2791', p_module=>'PSL_MONITORING', ?); END;
         bind => [=> rolesnum]
    If comment the line
    "call.addUnamedOutputArgument("rolesnum", Integer.class);"
    Toplink is trating it as a procedure, and I also receive an error from PL/SQL.
    There should have to be a way of make it to receive the resoult somehow, but I do not know what.
    Thanks in advance.

  • Unable to call a pl/sql procedure from java

    Software : Oracle 9i & Red hat linux 9
    Code:
    import java.io.*;
    import java.sql.*;
    public class test
    public static void main(String args[])
    try
    DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
    Connection con=DriverManager.getConnection("jdbc:oracle:thin:@192.168.0.221:1521:elearn","gowri","gowri");
    CallableStatement call=con.prepareCall("{call ins(?,?,?,?)}");
    call.setInt(1,5);
    call.setString(2,"hari");
    call.setString(3,"m");
    call.setString(4,"1976-12-26");
    if ( call.execute() )
    System.out.println("Success");
    else
    System.out.println("fails");
    call.close();
    con.close();
    catch(Exception ex)
    System.out.println("Error :"+ex);
    ~
    ~
    ~
    Stored Procedure:
    create or replace procedure ins(no in number,name in varchar,sex in varchar,dob in varchar)is
    con_day date;
    begin
    con_day=to_date(dob,'yyyy-mm-dd');
    insert into person values(no,name,sex,con_day);
    end;
    Run Time Error:
    Exception in thread "main" java.lang.IncompatibleClassChangeError: oracle.jdbc.driver.OraclePreparedStatement
    at 0x40268e17: java.lang.Throwable.Throwable(java.lang.String) (/usr/lib/./libgcj.so.3)
    at 0x4025bc8e: java.lang.Error.Error(java.lang.String) (/usr/lib/./libgcj.so.3)
    at 0x4025d6b6: java.lang.LinkageError.LinkageError(java.lang.String) (/usr/lib/./libgcj.so.3)
    at 0x4025c7aa: java.lang.IncompatibleClassChangeError.IncompatibleClassChangeError(java.lang.String) (/usr/lib/./libgcj.so.3)
    at 0x40229eed: JvPrepareClass(java.lang.Class) (/usr/lib/./libgcj.so.3)
    at 0x40248028: java.lang.ClassLoader.linkClass0(java.lang.Class) (/usr/lib/./libgcj.so.3)
    at 0x4025acb3: java.lang.ClassLoader.resolveClass0(java.lang.Class) (/usr/lib/./libgcj.so.3)
    at 0x402299cb: JvPrepareClass(java.lang.Class) (/usr/lib/./libgcj.so.3)
    at 0x40248028: java.lang.ClassLoader.linkClass0(java.lang.Class) (/usr/lib/./libgcj.so.3)
    at 0x4025acb3: java.lang.ClassLoader.resolveClass0(java.lang.Class) (/usr/lib/./libgcj.so.3)
    at 0x4024646c: java.lang.Class.initializeClass() (/usr/lib/./libgcj.so.3)
    at 0x40230912: JvInterpMethod.continue1(_Jv_InterpMethodInvocation) (/usr/lib/./libgcj.so.3)
    at 0x40230ff4: JvInterpMethod.run(ffi_cif, void, ffi_raw, JvInterpMethodInvocation) (/usr/lib/./libgcj.so.3)
    at 0x4022e504: JvInterpMethod.run_normal(ffi_cif, void, ffi_raw, void) (/usr/lib/./libgcj.so.3)
    at 0x4038305c: ?? (??:0)
    at 0x403831e7: ffi_call_SYSV (/usr/lib/./libgcj.so.3)
    at 0x403831a7: ffi_raw_call (/usr/lib/./libgcj.so.3)
    at 0x402306e8: JvInterpMethod.continue1(_Jv_InterpMethodInvocation) (/usr/lib/./libgcj.so.3)
    at 0x40230ff4: JvInterpMethod.run(ffi_cif, void, ffi_raw, JvInterpMethodInvocation) (/usr/lib/./libgcj.so.3)
    at 0x4022e58a: JvInterpMethod.run_synch_object(ffi_cif, void, ffi_raw, void) (/usr/lib/./libgcj.so.3)
    at 0x4038305c: ?? (??:0)
    at 0x403831e7: ffi_call_SYSV (/usr/lib/./libgcj.so.3)
    at 0x403831a7: ffi_raw_call (/usr/lib/./libgcj.so.3)
    at 0x402306e8: JvInterpMethod.continue1(_Jv_InterpMethodInvocation) (/usr/lib/./libgcj.so.3)
    at 0x40230ff4: JvInterpMethod.run(ffi_cif, void, ffi_raw, JvInterpMethodInvocation) (/usr/lib/./libgcj.so.3)
    at 0x4022e504: JvInterpMethod.run_normal(ffi_cif, void, ffi_raw, void) (/usr/lib/./libgcj.so.3)
    at 0x4038305c: ?? (??:0)
    at 0x40242dd8: gnu.gcj.runtime.FirstThread.call_main() (/usr/lib/./libgcj.so.3)
    at 0x402ad02d: gnu.gcj.runtime.FirstThread.run() (/usr/lib/./libgcj.so.3)
    at 0x4024fc4c: JvThreadRun(java.lang.Thread) (/usr/lib/./libgcj.so.3)
    at 0x4021c8ac: JvRunMain(java.lang.Class, byte const, int, byte const, boolean) (/usr/lib/./libgcj.so.3)
    at 0x08048910: ?? (??:0)
    at 0x42015574: __libc_start_main (/lib/tls/libc.so.6)
    at 0x080486c1: ?? (??:0)

    Hi Gowrishankar,
    This is just a suggestion (based on a guess). Try changing this line of your code:
    call.setInt(1,5);with this line:
    call.setBigDecimal(1,5);Good Luck,
    Avi.

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