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  1. JDK
  2. JDK-8066963

Bug #7180557 still occurs

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Details

    • Bug
    • Resolution: Duplicate
    • P3
    • None
    • 7u60
    • core-libs
    • x86
    • os_x

    Description

      FULL PRODUCT VERSION :
       java -version
      java version "1.7.0_60"
      Java(TM) SE Runtime Environment (build 1.7.0_60-b19)
      Java HotSpot(TM) 64-Bit Server VM (build 24.60-b09, mixed mode)

      ADDITIONAL OS VERSION INFORMATION :
      Darwin MacBook2 13.2.0 Darwin Kernel Version 13.2.0: Thu Apr 17 23:03:13 PDT 2014; root:xnu-2422.100.13~1/RELEASE_X86_64 x86_64

      A DESCRIPTION OF THE PROBLEM :
      hostname:MacBook2
      java version:1.7.0_60
      Exception in thread "main" java.net.UnknownHostException: MacBook2: MacBook2: nodename nor servname provided, or not known
      at java.net.InetAddress.getLocalHost(InetAddress.java:1473)
      at zarea.HostNameTest.main(HostNameTest.java:18)
      Caused by: java.net.UnknownHostException: MacBook2: nodename nor servname provided, or not known
      at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
      at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
      at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1293)
      at java.net.InetAddress.getLocalHost(InetAddress.java:1469)
      ... 1 more


      REGRESSION. Last worked in version 6u45

      ADDITIONAL REGRESSION INFORMATION:
      java full version "1.7.0_60-b19"

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      Run the attached program, Its from the original bug but I have tweaked a little so it outputs the system hostname command.

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      hostname:MacBook2
      java version:1.6.0_65
       getHostName(): MacBook2
       www.google.com.getHostName(): www.google.com

      ACTUAL -
      See error messages

      ERROR MESSAGES/STACK TRACES THAT OCCUR :
      hostname:MacBook2
      java version:1.7.0_60
      Exception in thread "main" java.net.UnknownHostException: MacBook2: MacBook2: nodename nor servname provided, or not known
      at java.net.InetAddress.getLocalHost(InetAddress.java:1473)
      at zarea.HostNameTest.main(HostNameTest.java:18)
      Caused by: java.net.UnknownHostException: MacBook2: nodename nor servname provided, or not known
      at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
      at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
      at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1293)
      at java.net.InetAddress.getLocalHost(InetAddress.java:1469)
      ... 1 more


      REPRODUCIBILITY :
      This bug can be reproduced always.

      ---------- BEGIN SOURCE ----------
      public class HostNameTest {

      public static void main(String[] args) throws UnknownHostException {
      String version = System.getProperty("java.version");
      try {
      listHostName();
      } catch (Exception e) {
      e.printStackTrace();
      }
      System.out.println("java version:" + version);
      System.out.println( " getHostName(): " + InetAddress.getLocalHost().getHostName());
      System.out.println( " www.google.com.getHostName(): " + InetAddress.getByName("www.google.com").getHostName());
      }

      private static void listHostName() throws Exception {
      // Get runtime
              java.lang.Runtime rt = java.lang.Runtime.getRuntime();
              // Start a new process: UNIX command
              java.lang.Process p = rt.exec("hostname");
              // You can or maybe should wait for the process to complete
              p.waitFor();
              // Get process' output: its InputStream
              java.io.InputStream is = p.getInputStream();
              java.io.BufferedReader reader = new java.io.BufferedReader(new InputStreamReader(is));
              // And print each line
              String s = null;
              while ((s = reader.readLine()) != null) {
                  System.out.println("hostname:" + s);
              }
              is.close();
              }
      }

      ---------- END SOURCE ----------

      CUSTOMER SUBMITTED WORKAROUND :
      Add suffix to hostname

      sudo scutil --set HostName macbook2.local

      hostname:macbook2.local
      java version:1.7.0_60
       getHostName(): macbook2.local
       www.google.com.getHostName(): www.google.com


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              webbuggrp Webbug Group
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                Created:
                Updated:
                Resolved: