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  1. JDK
  2. JDK-8066656

System.getProperty( " os.name " ) returns " Windows NT (unknown) " on Windows 10

    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Duplicate
    • Affects Version/s: 7u71, 9
    • Fix Version/s: tbd_major
    • Component/s: core-libs
    • Labels:
    • Subcomponent:
    • CPU:
      x86
    • OS:
      windows_10

      Description

      FULL PRODUCT VERSION :
      java version "1.7.0_71"
      Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
      Java HotSpot(TM) Client VM (build 24.71-b01, mixed mode)

      ADDITIONAL OS VERSION INFORMATION :
      Microsoft WIndows [ Version 6.4.9879]

      EXTRA RELEVANT SYSTEM CONFIGURATION :
      Windows 10 Technical Preview (Build 9879), 64-bit

      A DESCRIPTION OF THE PROBLEM :
      System.getProperty( " os.name " ) returns " Windows NT (unknown) " on Windows 10

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      Following code should return valid OS name for Windows 10

      public class HelloWorld {
           public static void main(String args[]) {
              System.out.println(System.getProperty( " os.name " ));
           }
      }

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      Valid OS name
      ACTUAL -
      " Windows NT (unknown) "

      REPRODUCIBILITY :
      This bug can be reproduced always.

      ---------- BEGIN SOURCE ----------
      public class HelloWorld {
           public static void main(String args[]) {
              System.out.println(System.getProperty( " os.name " ));
           }
      }
      ---------- END SOURCE ----------

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              • Assignee:
                rriggs Roger Riggs
                Reporter:
                webbuggrp Webbug Group
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                Dates

                • Created:
                  Updated:
                  Resolved: