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InetAddress.getLocalHost() 为什么耗时5s？

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InetAddress.getLocalHost() 为什么耗时5s？

InetAddress.getLocalHost() 这个方法我在本地测试，无论怎么测试都是5s，这个函数是哪里会这么耗时呢？我用的jdk是1.7


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by (71.8m points)

多测试几次吧。
肯定不会是5s


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