"The NTP socket is in use, exiting" appears when ntpdate synchronizes the time

Fault description ：

CentOS Use the following command to synchronize manually The server Time

#/usr/sbin/ntpdate ntp.api.bz

appear “the NTP socket is in use, exiting” error . Pictured ：

8 Nov 09:57:02 ntpdate[4726]:the NTP socket is in use, exiting

Problem analysis ：

The reason for this error is the system ntpd The server In operation , adopt ps aux | grep ntpd see , Will see ntpd Running .

resolvent ：

1.#service ntpd stop

2.#/usr/sbin/ntpdate ntp.api.bz