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From "Vladimir Ivanov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-774) [classlib][security] unexpected NPE and ClassCastException for javax.security.auth.kerberos.KerberosPrincipal.equals(obj)
Date Thu, 06 Jul 2006 06:35:29 GMT
[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


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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