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  1. JDK
  2. JDK-8254157

InetAddress isReachable returns false for reachable known host

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      Description

      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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          Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8166747 Add invalid network / computer name cases to isReachable known failure switch

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8133015 InetAddress.isReachable(tmout) returning wrong value on Windows for IPv6

          • P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JDK-8143397 It looks like InetAddress.isReachable(timeout) works incorrectly

          • P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JDK-8159410 InetAddress.isReachable returns true for non existing IP addresses

          • P3 - Major loss of function.
          • Closed

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              People

              Assignee:
              kravikumar Kiran Sidhartha Ravikumar (Inactive)
              Reporter:
              shadowbug Shadow Bug
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                Dates

                Created:
                Updated:
                Resolved: