如何解决centos下root运行Elasticsearch异常（elasticsearch no route to host）

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Exception in thread "main" java.lang.RuntimeException: don't run elasticsearch as root.

at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:93)

at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:144)

at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:270)

at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:35)

Refer to the log for complete error details.