I select service_name instead of SID within sql developer. Service_name is ORCL The below is from /u01/base/diag/tnslsnr/test1/listener_test1/trace/listener_test1.log Mon Mar 19 16:18:07 2012 19-MAR-2012 16:18:07 * (CONNECT_DATA=(CID=(PROGRAM=SQL Developer)(HOST=__jdbc__)(USER=cure))(SERVICE_NAME=ORCL)(CID=(PROGRAM=SQL Developer)(HOST=__jdbc__)(USER=cure))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.135)(PORT=52236)) * establish * ORCL * 0 19-MAR-2012 16:18:07 * (CONNECT_DATA=(CID=(PROGRAM=SQL Developer)(HOST=__jdbc__)(USER=cure))(SERVICE_NAME=ORCL)(CID=(PROGRAM=SQL Developer)(HOST=__jdbc__)(USER=cure))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.135)(PORT=52237)) * establish * ORCL * 0 -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Martin Berger Sent: Monday, March 19, 2012 1:07 PM To: cure@xxxxxxxxxxxxx Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: Service Name what did you use as SID, what as SERVICE_NAME? there should be proper entries in the alert.log files for ANY conneciton attempt. can you post these, also? Martin On Mon, Mar 19, 2012 at 17:30, Paul Harrison <cure@xxxxxxxxxxxxx> wrote: > > Hi All, > > > I'm using SQL Developer(windows)... I can connect using the > database(rac-linux) using SID but not the Service Name... Any idea? > > -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l