java异常之Couldn't get host name! [See nested exception: java.net.UnknownHostException: ceshi: ceshi:

错误代码：

[ERROR][2017-04-25 15:37:14] org.quartz.impl.StdSchedulerFactory.instantiate(StdSchedulerFactory.java:1202) Couldn't generate instance Id! 
org.quartz.SchedulerException: Couldn't get host name! [See nested exception: java.net.UnknownHostException: ceshi: ceshi: 未知的名称或服务]
    at org.quartz.simpl.SimpleInstanceIdGenerator.generateInstanceId(SimpleInstanceIdGenerator.java:36)
    at org.quartz.impl.StdSchedulerFactory.instantiate(StdSchedulerFactory.java:1199)
    at org.quartz.impl.StdSchedulerFactory.getScheduler(StdSchedulerFactory.java:1525)
    at org.springframework.scheduling.quartz.SchedulerFactoryBean.createScheduler(SchedulerFactoryBean.java:595)
    at org.springframework.scheduling.quartz.SchedulerFactoryBean.afterPropertiesSet(SchedulerFactoryBean.java:478)
    at 
...

【ceshi】是线下的测试服务器的服务器名称。
解决办法：

[root@ceshi ~]# vi /etc/hosts

添加：

127.0.1.1    ceshi

OK