How to compare the contents of two XML documents

Hi all,
I was trying to compare the contents of two xml documents, they are both validate for the same XML Schema. i was using the xmlunit to do this. but some how it doesn't work like what i have expected. for example:
1.xml : <test><item>2</item><item>1</item></test>
2.xml: <test><item>3</item><item>2</item><item>1</item></test>
the result from XMLUnit is this two xmls are different, but it compares <item>2</item> with <item>3</item>, which i cannot find out where the real diiffs are.
does anybody know how i can do this correct?
best regards,
tina

I faced a similar problem in one of my projects and hence wrote my own comparator. Most comparators like ExamXML etc show XML as different if the nodes under a parent node occur in different seqeunce or a set of repeated nodes occur in different sequence. The comparator that I wrote gives you the flexibility to configure how to identify a node from a set of repeated nodes and is able to compare them successfully if they occur in any order. You can view the sample output at http://geocities.com/dheerendra_itbhu/TipsFromDheeru.html
and contact me in case you need the source code.

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