There were/are a couple of bugs logged for this. I think from memory in our case it was an 'intelligent' attempt to automatically restart when oracle falsely detected the death of the original listener. On 21/05/2008, Ingrid Voigt <GiantPanda@xxxxxxx> wrote: > Hi, > > is there a known reason for the creation of the second > listener process? We've had this happen on HP-UX, too. > > Regards > Ingrid > > > > Niall Litchfield wrote: >> I've not seen that on windows, but several times on linux. A new >> listener process was being created and so two processes were listening >> on the same port. process explorer should show if this is happening on >> windows. netstat will tell you if something else has the port. >> >> On 21/05/2008, Yechiel Adar <adar666@xxxxxxxxxxxx> wrote: >>> Oracle 9205 on windows server 2000, SP 4. >>> >>> In the last 2 days the listener was dead twice. >>> No messages in the listener.log, no nothing. >>> >>> Lsnrctl also failed to stop the listener. >>> >>> I had to restart the service to get the listener to restart. >>> >>> I opened a TAR, but I thought to ask your advice. >>> >>> -- >>> Adar Yechiel >>> Rechovot, Israel >>> >>> -- >>> //www.freelists.org/webpage/oracle-l >>> >>> >>> >> >> > > -- Niall Litchfield Oracle DBA http://www.orawin.info -- //www.freelists.org/webpage/oracle-l