Oracle SQL Developer Tool Error:

Question

Hi,
i have installled Oracle 11g in Win2003 Server. When create new connection in Oracle SQL Developer its throwing following error
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor. The Connection Descriptor used by the client was localhost:1521/orcl
listener.ora:
# This is a sample listener.ora that contains the NET8 parameters that are
# needed to connect to an HS Agent
LISTENER =
(ADDRESS_LIST=
(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))
SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(SID_NAME=dg4odbc)
(ORACLE_HOME=E:\app\XXXXX\product\11.2.0\dbhome_1)
(PROGRAM=dg4odbc)
#CONNECT_TIMEOUT_LISTENER = 0
can any one help me ASAP.
Thanks!

Answer 1

933663 wrote:
Hi,
tnsnames.ora
%s_gtwSID% =
(DESCRIPTION=
(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))
(CONNECT_DATA=(SID=%s_gtwSID%))
(HS=OK)
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1522)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 11.2.0.1.0 - Production
Start Date 13-JUL-2012 17:46:51
Uptime 0 days 0 hr. 29 min. 1 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Log File e:\app\XXXXXXX\diag\tnslsnr\YYYYYYYY\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1522ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=mysystemname)(PORT=1522)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl.mysystemname" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orclXDB.mysystemname" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully
Thanks!you listener port on 1522 , but on your tnsnames.ora on 1521
Check your hostname on listener and tnsnames.ora
after do this changes please reload the listener
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