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InetAddress isReachable fails with jdk7u but passes with jdk8u. Sample Program: import java.net.InetAddress; public class Test { public static void main(String[] args) { try { final InetAddress addr = InetAddress.getByName("hostname"); final boolean isReachable = addr.isReachable(2000); if (!isReachable) { System.out.println("Not Reachable"); } else { System.out.println("Reachable"); } } catch (Exception e) { e.printStackTrace(); } } } Excepted: Reachable Actual: Not Reachable
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