list Converter OMElement empty element of Output format

"hellozengsong@gmail" <[email protected]>
Newsgroups gmane.text.xml.axis.user
Message-ID <[email protected]>
BeanUtil.getOMElement(new QNam("us"),list.toArray(),new QName("usinfo"),false,null) 
list element value is equal to null,Generated OMElement empty element XML format as:
<us>
<usinfo>
<name xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xsi:nil="true" /> 
<age>23</age>
</usinfo>
</us>

This is not an empty element format I want, I want an empty element format is <name> </name> 
You may have good suggestions unknown.
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