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From "Henri Yandell (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (LANG-67) [lang] NPE in EqualsBuilder when field in multiarray == null
Date Tue, 16 May 2006 17:47:07 GMT
     [ http://issues.apache.org/jira/browse/LANG-67?page=all ]
     
Henri Yandell reopened LANG-67:
-------------------------------


Reopening so I can resolve it. Seen this happen occasionally in Jira, though only previously
when the workflow was being mucked around with. Artifact of the migration I guess - having
an issue that is closed but has an unresolved status.

> [lang] NPE in EqualsBuilder when field in multiarray == null
> ------------------------------------------------------------
>
>          Key: LANG-67
>          URL: http://issues.apache.org/jira/browse/LANG-67
>      Project: Commons Lang
>         Type: Bug

>     Versions: 2.0
>  Environment: Operating System: All
> Platform: All
>     Reporter: Michael

>
> The EqualsBuilder.append(Object[] lhs, Object[] rhs) gives a Nullpointer in 
> cases of multi dimensional arrays with null fields when reflectEqual an object 
> containing a 3D Object array.
> Fix:
>         <...>
>         for (int i = 0; i < lhs.length && isEquals; ++i) {
>         	// Fix when element is null
>         	if ( lhs[i] != null ) {
> 	            Class lhsClass = lhs[i].getClass();
> 	            if (!lhsClass.isInstance(rhs[i])) {
> 	                isEquals = false; //If the types don't match, not equal
> 	                break;
> 	            }
>         	}
>             append(lhs[i], rhs[i]);
>         }
>         <...>

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