Cannot open process directory.

The agent could not process the /proc entries in the particular monitor cycle.

Solution: No action required.

Listener process <Listener> not running

Warning message to indicate that the Listener process was not running even before the clean or offline entry points were executed.

Solution: No action required.

Listener <Listener> kill TERM <PID1, PID2, ...>

Warning message to indicate that the Listener process would be signaled with SIGTERM.

Solution: No action required.

Listener <Listener> kill KILL <PID1, PID2, ...>

Warning message to indicate that the Listener process would be signaled with SIGKILL.

Solution: No action required.

lsnrctl not found in <Oralce_Home>/bin

The client utility lsnrctl is not found in the $ORACLE_HOME/bin directory.

Solution: Verify that the Oracle home has been correctly specified and that this executable is present.

lsnrctl operation timed out

The tnslsnr process does not respond.

Solution: Verify the underlying network protocol.