Package.get{ImplementationTitle, Specification{Vendor, Version}} doesn't work

Name: gm110360 Date: 07/18/2003


FULL PRODUCT VERSION :
java version "1.4.2"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-b28)
Java HotSpot(TM) Client VM (build 1.4.2-b28, mixed mode)


FULL OS VERSION :
Red Hat 9.0

A DESCRIPTION OF THE PROBLEM :
I want to run the packinfo.class to get package information

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
java packinfo java.io

ACTUAL -
[root@xeye javaprog]# java packinfo java.io
Name = java.io
Implementation title = null
Implementation vendor = null
Implementation version = null

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
class packinfo
{
    
    public static void main(String[] args){
      String v="1.4.1";
      if (args.length != 1){
          System.out.println ("usage: java PackageInfo packagename");
          return;
      }
      if (args [0].equals ("all"))
      {
          Package [] p = Package.getPackages ();
          for (int i = 0; i < p.length; i++)
               System.out.print (p [i].getName ()+", ");
          return;
      }
      Package p = Package.getPackage (args [0]);
      if (p == null){
          System.out.println ("could not find package " + args [0]);
          return;
      }
      //System.out.println(p.isCompatibleWith(v));
      
      System.out.println ("Name = " + p.getName ());
      System.out.println ("Implementation title = " + p.getImplementationTitle ());
      System.out.println ("Implementation vendor = " + p.getSpecificationVendor ());
      System.out.println ("Implementation version = " + p.getSpecificationVersion ());
   }
}

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

Release Regression From : 1.4.1_02
The above release value was the last known release where this
bug was known to work. Since then there has been a regression.

(Incident Review ID: 191679)
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