Calling external dll from oracle 8i pl/sql

Question

Hi
I am facing in calling extrenal dll from pl/sql.
Steps followed by me are
1.
create library crc_lib as
'D:\ORACLE\ORA81\RDBMS\EXTPROC\EXTPROC\my.DLL';
2.
CREATE OR REPLACE FUNCTION check_file_crc (f1 char)
RETURN BOOLEAN AS
EXTERNAL LIBRARY CRC_LIB
NAME "Check_File_CRC"
LANGUAGE C;
3. CREATE OR REPLACE PROCEDURE CRC_TEST (f1 varchar2) AS
     RetValue varchar2(100);
BEGIN
     if check_file_crc(f1) then
          RetValue := '0';
     else
          RetValue := '1';
     end if;
     DBMS_OUTPUT.PUT_LINE(RetValue);
EXCEPTION
     when others then
     DBMS_OUTPUT.PUT_LINE(sqlerrm|| 'I am in exception');
END;
4.ET SERVEROUTPUT ON
SQL> exec crc_test('C:\file.txt');
ORA-28576: lost RPC connection to external procedure agent
I am in exception
I have tsnames.ora as
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
and listner.ora as
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = D:\Oracle\ora81)
(PROGRAM = extproc)
I am unable to resolve problem please help.
Prashant
Edited by: prashant13 on Jul 23, 2009 11:27 AM

Answer 1

See if MOS note      468404.1 proves helpful here (though not meant for your version of Oracle).