ORA-12514 : Message 12514 not found; Product=RDBMS80; Facility=ORA
Hello friends,
2 days ago, i installed database 11g r2 then developer 6i in a windows 7 laptop where antivirus is kesper.
to configure the connection i copied the content of tnsnames.ora from database to developer tnsnames.ora
AIT =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA = (SERVER = DEDICATED)
(SERVICE_NAME = AIT))
)
its working nice.
but today after noon, when i'm going to connect from forms to database it show the error massage
"ORA-12514 : Message 12514 not found; Product=RDBMS80; Facility=ORA"
i tried to connect from sqlplus of database, its work well.
then i make another installation of developer in a different home name and make same things for tnsnames.ora, it shows same error...
i spend 3 hrs then post here now..
pls help asap..
thanks in advance..