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ORA-12541: TNS:no listener

Arun Giridharan
Ranch Hand

Joined: Sep 30, 2010
Posts: 290

when ever i try to start listener {I Just Have Only One Oracle Database}
i get this following

LSNRCTL> status

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=admin-41f89f35d)(PORT=1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
32-bit Windows Error: 61: Unknown error



I really don't know what is the problem my tnsnames.ora and listener looks fine to me , please help me out

thank you
It is sorta covered in the JavaRanch Style Guide.
subject: ORA-12541: TNS:no listener