linux启动项目的时候报这个相关的错误，
ERROR [main] Cache.<clinit>(202) | Unable to set localhost. This prevents creation of a GUID. Cause was: centos: centos
java.net.UnknownHostException: centos: centos
at java.net.InetAddress.getLocalHost(InetAddress.java:1374)
原因没有给自己的机器名称做映射，在hosts文件中将127.0.0.1 映射到本机名称centos即可
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