(no subject)

hi all,
i would like to add the content of a document's root element to the root 
element of another document. here is my attempt:

> 			// create the document
> 			SAXBuilder builder = new SAXBuilder();
> 			Document doc1 = builder.build(new StringReader 
> ("<elem>test<e2></e2><t/></elem>"));
>  
> 			// get content of root element
> 			List content = doc1.getRootElement().getContent();
>  
> 			// detach: --> same exception with or without this
> 			for(int i=0;i<=content.size();i++){
> 				Content next = (Content)content.get(i);
> 				next.detach();
> 			}
>  
> 			// create 2nd document with root element
> 			Document doc2 = new Document();
> 			doc2.setRootElement(new Element("root2"));
>  
> 			// add content to new root: Exception here
> 			doc2.getRootElement().setContent(content); 
 
Exception in thread "main" org.jdom.IllegalAddException: The Content 
already has an existing parent "elem"
 
detaching all Contents in the list does not seem to have an effect.

how can i solve this?
thank you!

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