Resetting Listener Log without stopping Database

Often it is required to reset the listener log when it grows too much like more than 2G, as this log is being used by the instance all the time you can not delete. By doing the following you can achieve your purpose to reset the listener log.

C:\Documents and Settings\inam>lsnrctl

LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 01-AUG-2010 10:33:31

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Welcome to LSNRCTL, type "help" for information.

LSNRCTL> SET CURRENT_LISTENER LISTENER
Current Listener is LISTENER

LSNRCTL> SET LOG_FILE TEMP_LISTENER.LOG
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=srv2.domain)(PORT=1521)))
LISTENER parameter "log_file" set to temp_listener.log
The command completed successfully

LSNRCTL> SET LOG_FILE LISTENER.LOG
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=srv2.domain)(PORT=1521)))
LISTENER parameter "log_file" set to listener.log
The command completed successfully
LSNRCTL>