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Date: Thu, 6 Jul 2006 06:45:30 +0000 (GMT+00:00)
From: "Vladimir Ivanov (JIRA)" <jira@apache.org>
To: harmony-commits@incubator.apache.org
Subject: [jira] Updated: (HARMONY-774) [classlib][security] unexpected NPE
 and ClassCastException for
 javax.security.auth.kerberos.KerberosPrincipal.equals(obj)
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     [ http://issues.apache.org/jira/browse/HARMONY-774?page=all ]

Vladimir Ivanov updated HARMONY-774:
------------------------------------

    Attachment: KerberosPrincipalTest.patch

unit test

> [classlib][security] unexpected NPE and ClassCastException for javax.security.auth.kerberos.KerberosPrincipal.equals(obj)
> -------------------------------------------------------------------------------------------------------------------------
>
>          Key: HARMONY-774
>          URL: http://issues.apache.org/jira/browse/HARMONY-774
>      Project: Harmony
>         Type: Bug

>   Components: Classlib
>     Reporter: Vladimir Ivanov
>  Attachments: KerberosPrincipalTest.patch
>
> The Harmony method javax.security.auth.kerberos.KerberosPrincipal.equals(obj) throws unexpected NPE and ClassCastException for null and Map objects while RI  according to spec return false.
> ================ test.java =========================
> import javax.security.auth.kerberos.*;
> import java.util.*;
> public class test  { 
>     public static void main (String[] args) {   
>       try {          
>           System.out.println("res = " + new KerberosPrincipal("A@B").equals((Object) null));
>       } catch (Exception e) {
>           e.printStackTrace();
>       }
>       try {          
>           System.out.println("res = " + new KerberosPrincipal("A@B").equals(new TreeSet()));                                                                               
>       } catch (Exception e) {
>           e.printStackTrace();
>       }     
>    }
> }
> ================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
> res = false
> res = false
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -showversion test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java.lang.NullPointerException
>         at javax.security.auth.kerberos.KerberosPrincipal.equals(KerberosPrincipal.java:164)
>         at test.main(test.java:7)
> java.lang.ClassCastException: java.util.TreeSet incompatible with javax.security.auth.kerberos.KerberosPrincipal
>         at javax.security.auth.kerberos.KerberosPrincipal.equals(KerberosPrincipal.java:162)
>         at test.main(test.java:12)

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