HA web服务高可用，发送IMS告警 重复

[Yiutto]

装了2个web服务，用了nginx，发现 邮件告警会发送同样一份
2022-07-25 16:50:27.840 INFO [AzkabanWebServer-Recover-Thread] com.webank.wedatasphere.schedulis.common.distributelock.AbstractDistributeLock 84 handle - there is no exist lock
2022-07-25 16:50:27.841 INFO [AzkabanWebServer-Recover-Thread] com.webank.wedatasphere.schedulis.common.distributelock.DBTableDistributeLock 312 getLinuxLocalIp - current host IP: 172.31.20.142