System parameter file is /u01/app/oracle/product/11.2.0/network/admin/listener.ora Log messages written to /u01/app/oracle/diag/tnslsnr/ecs-301110/listener/alert/log.xml Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521))) Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HO...