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In the following status of a listener, what is "Service Summary" for? What's service handler? Why ORCL is different from orcl? Case sensitivite? (This is on Oracle816 on NT.)
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LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC0)))
STATUS of the LISTENER
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Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 8.1.6.0.0
Start Date 19-MAR-2001 09:13:37
Uptime 0 days 0 hr. 3 min. 35 sec
Trace Level off
Security OFF
SNMP OFF
Listener Parameter File C:\Oracle\Ora81\network\admin\listener.ora
Listener Log File C:\Oracle\Ora81\network\log\listener.log
Services Summary...
PLSExtProc has 1 service handler(s)
hepi has 1 service handler(s)
ORCL has 2 service handler(s)
orcl has 1 service handler(s)
The command completed successfully
LSNRCTL> exit
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Stop and restart and see those service handlers are same as before and go to listener.ora/tnsnames.ora and see you defined those service names.
Service handler is the one which takes request from client and pass response back to the client.
I guess ORCL and orcl are diffrent if you did define like that.
