I use "set log_file", but I don't save the config. lsnrctl >set log_file listener_temp.log then I rename listener.log to something else (listener_20110725.log) >set log_file listener.log If you have admin restrictions on, you'll need to change the listener.ora and reload it first. Jay On Tue, Jul 26, 2011 at 4:40 PM, Schauss, Peter (ESS) <peter.schauss@xxxxxxx > wrote: > Oracle 10.2.0.3.0 on Windows Server 2003 sp2. > > How do you truncate the listener log file without bouncing the listener? > > I know how to do this on UNIX, but when I try "echo > listener.log" I get > "cannot access the file because it is being used by another process". The > other option, appears to be to use the lsnrctl "set log" command followed by > "save config", but, according to MOS, this may crash the listener. > > Any other options? > > Thanks, > Peter Schauss > -- > //www.freelists.org/webpage/oracle-l > > >