Problem in Marshaling UnMarshaling with @XmlAnyElement using JAXB

Question

Hi all,
I am having a class annotated with XML binding annotations. I am using this class to marshal and unmarshal XML content.
I am having one class named Data. This class is field of some other class.
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "", propOrder = {
    "any"
@XmlRootElement(name = "Data")
public class Data {
    @XmlAnyElement
    protected Element any;
    public Element getAny() {
        return any;
    public void setAny(Element value) {
        this.any = value;
Data class is having one element named any. any holds any kind of XML Content.
Now when I Unmarshal XML content to java class displayed above it works fine.
But when Marshaling java class to XML it adds some unwanted namespaces and prefixes to content in any element in Data class.
I am using javax.xml.bind.JAXBContext class for getting javax.xml.bind.Marshaller and javax.xml.bind.Unmarshaller.
Here are the XML Data:
Original:
<bh:BookRequest xmlns:bh="http://www.mybookstore.com">
     <bh:Data>
          <Books xmlns="http://www.anynamespace.com">
               <Book>
                    <Name>Any Java Book1</Name>
                    <Price>$5.0</Price>
                    <Publication>Any Publication</Publication>
               </Book>
               <Book>
                    <Name>Any Java Book2</Name>
                    <Price>$7.0</Price>
                    <Publication>Any Publication2</Publication>
               </Book>
               <Book>
                    <Name>Any Java Book3</Name>
                    <Price>$6.5</Price>
                    <Publication>Any Publication3</Publication>
               </Book>
          </Books>
     </bh:Data>
</bh:BookRequest>After Marshaling and Unmarshaling:
<bh:BookRequest xmlns:bh="http://www.mybookstore.com">
     <bh:Data>
          <Books:Books xmlns:Books="http://www.mybookstore.com" xmlns="http://www.anynamespace.com">
               <Book>
                    <Name>Any Java Book1</Name>
                    <Price>$5.0</Price>
                    <Publication>Any Publication</Publication>
               </Book>
               <Book>
                    <Name>Any Java Book2</Name>
                    <Price>$7.0</Price>
                    <Publication>Any Publication2</Publication>
               </Book>
               <Book>
                    <Name>Any Java Book3</Name>
                    <Price>$6.5</Price>
                    <Publication>Any Publication3</Publication>
               </Book>
          </Books:Books>
     </bh:Data>
</bh:BookRequest>Notice the <Books> element in both XML above.
First one is the actual content. Second one is the Marshalled XML with addtional Namespace and prefixes.
I don't want this behaviour. *I want Marshaling and UnMarshaling not to touch Content in any element of Data Class.I want that content as it is.* Is there any way to do so?
Any comment for this will help me.
thanks in adavnce,
TYPurohit.

Answer 1

What exactly the message mean: Use the "-extension" switch.
My work around is to remove the abstract="true" from abstract element. Is there a better way?
thanks.