ORA-12504, TNS Listener was not given SID in CONNECT_DATA
Jdev version used
Patch 30019266: 10G JDEVELOPER WITH OA EXTENSION ARU FOR R12.2.9
Oracle db version 19c
Connection test passes when tested from db connections in jdev
But while creating project it throws error.
ORA-12504, TNS Listener was not given SID in CONNECT_DATA
Refer screenshot below...